Building Construction Flashcards

(280 cards)

1
Q

It is a structure consisting of a framework of reinforced concrete column, or steel or timber stanchions (columns),
rafters, and bracings.

A

Simple frame

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2
Q

It is a joint between rafter and stanchion in a portal frame at the eave.

A

Knee haunch

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3
Q

It is a horizontal wall secondary member that is secured to columns and supports the wall covering.

A

Girt

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4
Q

It is a structural component for a roof system to carry roof loads parallel to the slope direction.

A

Sag rod

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5
Q

It is a single-span frame of stanchions and rafters, strengthened with knee and apex braces, and by beams and bracing
between the frames. It is used for any house for a wide unrestricted span, or for maximum flexibility of use.

A

Portal Frame

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6
Q

It is the distance between the underside of the rafter where it meets the outer stanchion and the internal floor of the
building.

A

Eave’s height

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6
Q

It refers to the clear distance between two free-standing stanchions comprising a single bay frame of a steel frame
building.

A

Span

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7
Q

It is a temporary boarding, sheathing or pan used to produce the desired shape of a concrete.

A

Forms

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7
Q

The part of a roof truss that support directly the purlins

A

Top chord

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8
Q

A temporary structure providing platforms for workers to stand while erecting or repairing a building.

A

Scaffolding

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9
Q

It is used as an alternative to using formworks in constructing floor slabs.

A

Steel decks

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10
Q

Which of the following are materials commonly used for roofing?

A

Aluminum
Cement asbestos
Long span pre-painted steel
Corrugated galvanized iron

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11
Q

The standard width of a corrugated GI sheets.

A

0.81 m

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12
Q

The recommended overlapping of corrugated GI sheet roof between ends for steep roof slope.

A

0.25 m

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13
Q

The recommended overlapping of corrugated GI sheet roof between ends for moderate roof slope.

A

0.30 m

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14
Q

The recommended overlapping of corrugated GI sheet roof between ends.

A

25 to 30 cm

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15
Q

The recommended overlapping of corrugated GI sheet roof between sides.

A

1-1/2 to 2-1/2 corrugtations

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16
Q

A screw commonly used in the construction of roofs.

A

Tek screw

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17
Q

It is a roofing accessory that is used to carry and divert the water from the roof into a specific location.

A

Gutter

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18
Q

It is a roofing accessory that is used to cover the roofing joints to prevent intrusion of water into the building.

A

Valley roll
Flashing
Ridge roll

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19
Q

It is a structural member where the metal roofing sheet is fixed

A

Purlins

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20
Q

It is a wall classification that only acts as a wall cover.

A

Non-load bearing

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21
Q

There are __________ concrete hollow blocks per square meter of wall area.

A

13 CHB = 12.5

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22
Q

For the vertical reinforcements for wall, it is usually _________ in construction.

A

Cut in shorter lengths

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23
Reinforcements for wall are composed of __________.
Vertical bars | Horizontal bars
24
What is the mixing proportion of a class AA concrete?
1 : 1.5 : 3
25
Cement is commonly bought in terms of?
Bags
26
Sand is commonly bought in terms of?
Cubic meter
27
One bag of cement is approximately equal to __________.
One cubic foot
28
What is the approximate time for concrete forms before they are safely removed?
7 to 14 days
29
It is a construction equipment used for mixing cement, aggregates, and water in a rotating bin.
Bagger mixer
30
It is a construction equipment used for compacting the soil
Plate compactor
31
Otherwise known as the National Building Code of the Philippines
Presidential Decree No. 1096
32
Agricultural buildings is classified in ________ in the National Building Code?
Group J
33
This is the office authorized to enforce the provisions of the National Building Code and its IRR in the field as well as the enforcement of orders and decisions made pursuant thereto.
Office of the Building Official (OBO)
34
A document issued by the Building Official to an owner/applicant to proceed with the construction, installation, addition, alteration, renovation, conversion, repair, moving, demolition or other work activity of a specific project/buildings/structure or portions thereof after accompanying principal plans, specifications and other pertinent documents with the duly notarized application are found satisfactory and substantially conforming with the National Building Code of the Philippines and its Implementing Rules and Regulations.
Building Permit
35
Which of the following is true? a. Building permit is required for buildings that are to be constructed c. Building permit is required for buildings that are to be demolished b. Building permit is required for buildings that are to be altered, repaired d. All of the above
d. All of the above
36
Building permits should be obtained from __________.
Building Officials
37
The building permit has _____ validity if construction work is not commenced from the date of such permit.
1 year
38
After securing a building permit, initial construction of the structure was done. Then suddenly the construction activity was put to stop due to some unexpected reasons. How many days will be the validity of such Building Permit in order to resume construction work without obtaining new permit?
120 days
39
The applicable provisions of the various agencies and technical professional codes that are supplementary to the National Building Code of the Philippines.
Referral Code
40
Types of ancillary permits in building permit application.
Mechanical Permit Sanitary Permit Electrical Permit Electronics Permit
41
The required number of sets of building plans, specifications and other documents prepared during application for building permit
5
42
It is a set of documents required in building permit application tabulating the detail list, quantity and cost of materials.
Bill of materials
43
It is a written technical description of materials, equipment, construction systems, standards, and workmanship in conjunction with the drawing that details the requirement for acceptable completion or work.
Specification
44
It is a test report required to determine the soil bearing capacity.
Geotechnical report
45
It is a document for building permit that is about the zoning of the buildings.
Location clearance
46
Which of the following documents are not required for one-storey buildings?
Structural analysis
47
It is a drawing view in a building plan that shows for if there are changes in the elevation inside the building.
48
Which of the following statement is not true? a. The drawing plan shows the dimensions and locations of various structural members c. The drawing plan shows the electrical schedule for branch circuits and wire sizes b. The drawing plan specifies the type of concrete to be used for a structural member. d. The drawing plan may or may not include the plumbing layout depending upon the requirement.
b. The drawing plan specifies the type of concrete to be used for a structural member.
49
What is the designated letter used for agricultural sheets in building plans?
50
It is a part of a building plan showing the positioning of electrical outlets and its branch circuitry.
Lighting layout or Power layout
51
Structural analysis are required for structures exceeding __________ storey building?
1
52
NSCP stands for ________.
National Structural Code of the Philippines
53
In the Philippines, the organization that sets the structural code?
54
The lighting requirement for e.g. broiler housing may be found in __________.
Philippine Agricultural Engineering Standards | Broiler Equipment Manufacturer’s Catalog
55
The spacing requirements for e.g. swine housing are obtained from ________.
56
As an agricultural engineer, upon signing the building plans, which of the following must be included?
Professional license number Professional tax receipt number Duration of its validity
57
It refers to all on-site work done in the site preparation, excavation, foundation, assembly of all the components and installations of utilities, machineries and equipment of buildings or structures.
Construction
58
It is the systematic dismantling or destruction of a building or structure in whole or in part?
Demolition
59
It refers to any physical change made in buildings or structures to increase the value, quality, and/or to improve the aesthetics.
Renovation
60
It is the remedial work done on any damaged or deteriorated portion/s of building/structure to restore to its original condition.
Repair
61
It is a portion of the drawing plan indicating the extent of property lines and location of existing buildings within the site from which the proposed building is to be constructed.
Site development plan
62
The recommended orientation of a swine house to obtain proper sunlight, wind flow and temperature.
East-west direction
63
The floor of a swine housing should have a 2 to 4% slope towards a __________
Gutter Away from the feeding trough Drainage canal
64
Heaters shall be installed in ___________ areas to provide the required temperature of 27°C – 35°C
Creep
65
Pens for boar should be located __________ to dry sow.
Close
66
A male breeding pig which is at least 8 months old.
Boar
67
An area in which a sow is confined during farrowing and lactation period and are freely to turn around.
Farrowing pen
68
It is the act of separating the pigs and the sow
Weaning
69
An unbred sow which has just been weaned or a non-pregnant sow.
Dry sow
70
A device in which a sow is confined during farrowing and lactation periods and which prevents sow from turning around.
Farrowing stall
71
An unbred female pig at least 8 months old
Gilt
72
Concrete slats shall be used preferably for swine over ______.
30 kg
73
Heaters shall be installed in ___________ areas to provide the required temperature of 27°C – 35°C
Creep
74
Ceiling height for swine housing shall be at least _____ high.
2.4m
75
In partially slotted floors, the slats shall be placed _______ to the long dimensions of pens.
perpendicular
76
In totally slotted floors, the slats shall be placed _______ to the sow.
parallel
77
The space required for feeds for swine housing should be based on _____ supply of feeds
14 days
78
What is the minimum height required for the cardboard, or metal sheeting to cover the brooding the area?
450 mm
79
It is a material placed around the brooder stoves to prevent the chicks from staying too far away from the heat supply until they learn the source of heat
Brooder guard
80
What is the recommended ceiling height for a broiler housing?
2.4 m
81
The entrance doors of a housing for broiler production shall be at least ________ wide.
0.9 m
82
The entrance doors of a housing for broiler production shall be at least ________ high.
2 m
83
The floor of broiler housing shall be elevated at least _____m from the ground.
0.9m
84
The minimum post diameter for broiler housing as specified in PAES 402
200mm
85
The minimum aisles and walkways between doors walls for a broiler housing shall be at least ______ wide
1m
86
If a mechanical ventilation is necessary for a poultry building, it should be installed on the __________ side to the prevailing winds.
opposite
87
In a broiler housing, waterers should be spaced uniformly throughout the house. No bird shall have to go over ___ to drink water.
3m
88
As the bird grow in a broiler housing, feeders shall be raised to maintain the feed level at _______.
the same height as the back of the chicken
89
The minimum depth of litter material over the cemented floor in a litter-type floor broiler housing.
50 to 100mm
90
What is the recommended size of the galvanized welded mesh for the slatted flooring of a goat and sheep housing?
5 mm x 20mm spacing
91
What is the distance of the slatted floor of a goat and sheep housing from the ground?
1.0 m
92
For shed type sheep and goat housing, the height of the front eave shall be at least 2m and the height of the rear eave shall be _____.
At least 1.5m
93
A mature male goat
buck
94
A mature female sheep that has already lambed
ewe
95
A slaughterhouse with required facilities and operational procedures to serve any market
AAA
96
NMIS stands for __________.
National Meat Inspection Service
97
It is a place in the slaughterhouse to supply hot water with temperature of 80 C and is equipped with heating facilities.
Boiler Room
98
The meat requiring further examination as declared by a veterinary inspector
Detained meat
99
The dipping of animals in a steam to ready their skin for dehairing
Scalding
100
A slaughterhouse has a throughput of 30 swine per day. What is the recommended dimensions?
8 x 5 m
101
The slaughterhouse shall be elevated to at least ____________ above the adjacent ground.
600 mm
102
What is the recommended thickness of the floor slab of a slaughterhouse?
150 mm
103
The rebar in a flooring of a slaughterhouse shall be spaced __________ both ways.
200 mm
104
What is the recommended size of reinforcement bar to be used in the flooring for a slaughterhouse?
10 mm
105
Anaerobic bacteria that act upon organic materials and in the process, produce biogas
Methanogens
106
The gas composition of biogas
60% CH4 and 40%CO2
107
Organic material used to produce biogas
Substrate
108
How many layer/s of plasters is applied to the concrete wall of a large biogas digester?
3
109
What is the recommended minimum diameter of reinforcement for a reinforced digester?
10 mm
110
The recommended bar spacing for reinforced digester.
0.15m along curve and the horizontal bars
111
As an AB engineer, what pipe material should you recommend for the exposed gas outlet pipe of a biogas digester located in a site with high intensity of sunlight?
GI pipes
112
It is a device along the gas line of a biogas plant designed to stop the propagation of flame.
Flame arrester
113
The PD1152 is otherwise known as _______.
Environmental Code on Solid and Liquid Waste Disposal
114
A classification of manure with at least 20% solids
Solid
115
Residue remaining after water is removed from waste material by evaporation.
Total Solids
116
A part of total solids driven off as volatile gases when heated to 600C.
Volatile Solids
117
That part of total solids remaining after volatile gases driven off at 600C.
Fixed solids
118
A part of total solids removed by a filtration procedure.
Suspended solids
119
Quantity of oxygen needed to satisfy biochemical oxidation of organic matter in waste sample in 5 days at 20C
BOD5
120
Type of waste collection system recommended for swine buildings according to PAES 414-1:2002?
Gravity drain systems
121
The recommended width of scrape alley for dairy and beef cattle according to PAES 414-1:2002?
2.5 to 4m
122
The recommended width of scrape alley for swine and poultry according to PAES 414-1:2002?
1 to 3m
123
The specified minimum depth of sludge volume in a storage tank according to PAES 414-1:2002?
0.3m
124
It is defined as the liquid that flows into a containing space
Influent
125
A precipitate resulting from coagulation or sedimentation of liquid waste.
Sludge
126
The minimum freeboard depth of a storage pond as specified in PAES.
0.3m
127
A type of treatment lagoon designed to include treatment volume
Anaerobic lagoons
128
A type of treatment lagoon designed on the basis of volatile solids
Anaerobic lagoons
129
A type of treatment lagoon designed on the basis of BOD5.
Aerobic lagoons
130
A type of treatment lagoon designed on the basis of surface treatment area.
Aerobic lagoons
131
A type of lagoon that can function as aerobic or anaerobic depending on the environment.
Facultative
132
The design volume of aerobic lagoon also includes sludge volume.
True
133
Which of the following should the foundation and footings of a greenhouse shall be able to resist?
Uplift
134
What is the minimum depth for the foundations of a permanent greenhouses?
0.45 m
135
The length of the greenhouse should not exceed __________.
50 m
136
The framing of a greenhouse shall be able to withstand maximum wind gusts of _____.
250 km/hr
137
It is a material that is the most economical for constructing the greenhouse frames.
Aluminum
138
The covering of a greenhouse should be durable as well as economical and should withstand heavy loads like wind gusts of ________.
150 km/hr
139
The roof pitch for a glass greenhouse should be ______ to prevent inside condensation from dripping on plants
51 %
140
What is the maximum spacing required for uniform ventilation for the fans in a greenhouse structure?
7.5 m
141
Fans should be located on the __________ side of the greenhouse building?
Downwind
142
It is a condition that describes the freedom of plant materials, culture medium, confines of the culture vessel from contaminating microorganisms?
asepsis
143
It is subjecting of cultures to conditions favorable to the growth of the plant tissue?
incubation
144
Wooden frames used on concrete floors for stacking bags to prevent direct contact between the grains and the floor.
Pallet Dunnage Tarima
145
The recommended size of concrete hollow blocks for the wall of bagged storage warehouse.
6”
146
The recommended size of reinforcing bar for the wall of bagged storage warehouse.
12mm
147
What is the recommended spacing of the reinforcing bar for the wall of a bagged storage warehouse?
600 mm on center, both ways
148
The height of the stacks in a bagged storage warehouse shall not exceed the height of the walls and a space of at least _________ shall be allowed between the tops of the stacks and roof frames.
1 m
149
What is the specified standard pallet size
152 cm x 61 cm
150
It is a recommend stacking method for bagged grains with 14% moisture content and lower
Chinese method
151
It is a recommend stacking method for bagged grains with more than 14% moisture content
Japanese method
152
Sacks made of woven polypropelene shall not be stacked more than _________ high.
3 m
153
A granular material of mineral composition such as sand, gravel, shell, crushed and uncrushed stone or lightweight materials.
Aggregates
154
The suitable material used to replace other materials removed during construction
Backfill
155
The layer of aggregate, soil-treated aggregate, treated soil, or soil aggregate that rests upon the subbase or if no subbase, upon the sub-grade
Base course
156
A space intended to employ traffic consideration for the transport of agricultural products
Roadway
157
The part of the roadway next to the travel way providing lateral support of base and surface courses used as emergency stopping area for the vehicles.
Road shoulder
158
A road side ditch is located at __________.
The edge of the roadway
159
Which of the following is a mandatory requirement in locating a farm-to-market road?
The FMR shall conform to the land use plan of the area. The FMR shall service to mobilize agricultural products/produce from the production area to the nearest existing roadway system. The FMR shall link or be located in the key production areas of valuable crops and fisheries.
160
A road used as farm-to-market road
Earth road Bituminous Road Gravel road Concrete road
161
The typical width of farm-to-market road for a one-lane roadway
2 m
162
Which of the following cross section of the road side ditch not specified in the PAES
163
In designing farm-to-market roads, what is the recommended minimum radius design for curvature for flat terrain?
500 m
164
In designing farm-to-market roads, what is the recommended minimum radius design for curvature for rolling terrain?
150 m
165
The poultry dressing plant shall be located in area with at least _____ distance to dwellings, schools, churches and other public or commercial buildings.
200 m
166
For wall and ceiling surfaces of a poultry dressing/slaughtering plant, it should be ____.
Preferably not painted
167
In PAES 422-1, pipelines carrying potable water is color coded _____.
Blue
168
The ceiling height for a small scale poultry dressing / slaughtering plant should be at least ______.
2.4 m
169
The ceiling height for a large scale poultry dressing / slaughtering plant should be at least ______.
3 m
170
It is a unit consisting of upright containers used for storage and handling of grains in bulk and provided with necessary equipment and accessories
Silo
171
The height of the vertical-walled segment of silo.
Eave height
172
In bin and silo design, it is referred to as the ratio of the equivalent height to the diameter.
Slenderness h/D ratio Aspect ratio
173
A rectangular bin/silo having a dimension of 6m x 3m x 10m (L x W x H) is classified as ______ based on PAES.
Slender
174
The wall of a silo shall be _____
Corrosion resistant and not painted
175
184.It is the angle of the material when the grains held starts to move.
175
It is the angle of the material when the grains held starts to move.
Angle of friction
176
It is a board where the flow of grains at different points of the system at any time will be reflected
Mimic board
177
The equation used in solving the static vertical pressure in bins and silos.
Janssen Equation
178
Which of the following is a unit of a force?
Pa-m2 Newton Kips
179
When the force acts at a distance perpendicular to a reference point it creates _____.
Rotational effect Torque Moment
180
Which of the following can be best described as linearly distributed loads?
Purlins on the top chord or trusses
181
Which of the following can be best described as surface distributed loads?
Wind loads on buildings Live loads of occupants Dead load of floor slabs
182
It is a structural element that transmits forces from one member to another
Supports and joints
183
It is a type of structural support that does not allow rotation as well as translation.
Fixed support
184
It is a type of structural support that does not allow translation in both axis but allows rotation.
Pin support
185
It is a type of structural support that does not allow translation in one axis only but allows rotation.
Roller support
186
The use of internal hinge ________
Reduces the degree of static indeterminacy
187
When a truss is loaded at the member and at the joints, the member will experience __________
Axial loading and Flexural loadings
188
In analyzing or designing a truss, the joints of a truss are assumed to be __________.
Internal hinge
189
The degree of freedom for fixed support is __________.
190
A structure composed of individual members joined together where all loads are assumed to act only at the joints.
Truss
191
The deflection of a beam is ______.
Directly proportional to the load and inversely proportional the moment of inertia Directly proportional to the load but inversely proportional to the modulus of elasticity Inversely proportion to the moment of inertia but directly prortional to the length
192
It relates the displacement of the structure so that its various parts fit together
Compatibility conditions
193
A beam fixed on one end, and roller support on the other end, and another roller support along the midspan is ______?
194
Which of the following statement is true? a. Statically determinate structures are more stable (or rigid) than indeterminate structures c. Determinate structures have no problems when there’s support settlements b. The deflection (or deformation) of determinate structures is greater than indeterminate structures because of smaller stresses.
Determinate structures have no problems when there’s support settlements
195
Statically indeterminate beams and frames can be solved by methods listed below except _________. Slope-deflection method Virtual work method Moment distribution method
Virtual work method
196
It is the minimum number of independent displacement quantity that you require to know before you can define the displaced geometry of the structure.
Kinematic determinacy
197
It is the intensity of the internal force distribution in the material.
Stress
198
In mechanics of materials, strain is _____.
A dimensionless quantity Can be expressed in percentage Can be expressed in mm/mm
199
For ductile and linearly elastic material, stress is directly proportional to strain ______.
Below or at the yield point only
200
It is a region in a stress-strain curve whereby the stress is linearly proportional to strain
Elastic region
201
It is a region in a stress-strain curve for ductile materials whereby the stress is no longer linearly proportional to strain
Plastic region
202
It is a type of stress where the load is perpendicular to the cross sectional area.
Axial stress
203
It is a type of stress where the load is parallel to the cross sectional area.
Shear stress
204
It is a type of loading where the axis of rotation is along the longitudinal axis.
Torsion
205
It is a type of loading where the axis of rotation is orthogonal to the plane.
Moment
206
The live loads for swine housing are obtained from __________. a. PAES Volume 4 c. Two of the above b. NSCP Volume 1 d. None of the above
None of the above
207
These are loads that are distributed or concentrated and are fixed in position throughout the lifetime of the structure.
Dead load
208
Which of the following is/are considered a lateral load? a. Dead load c. Rain load b. Live load d. None of the above
None of the above
209
These are loads that are distributed or concentrated and are fixed in position throughout the lifetime of the structure.
Environmental load
210
Which of the following does not affect the wind load effect for a building? a. Building height b. Topography c. Wind direction d. Wind speed
None of the above
211
Flood loads includes __________.
Hydrostatic loads Wave loads Hydrodynamic loads Impact loads
212
It accounts for the ponding of water that accumulates in the roof.
Rain Load
213
It is a force or other action that results from the weight of building materials, occupants and their possessions, environmental effects, differential movement, or restrained dimensional changes.
Load
214
All of the following load/s is applicable for the design of manure storage tank except?
Live loads
215
The meaning of LRFD in structural design?
Load and Resistance Factor Design
216
The meaning of In structural design, what does ASD mean?
Allowable Strength Design
217
It is a method of proportioning structural components such that the design strength equals or exceeds the required strength of the component based on statistical approach.
Load and Resistance Factor Design
218
It is a factor that accounts for deviations of the nominal load from the actual load, for uncertainties in the analysis that transforms the load into a load effect and for the probability that more than one extreme load will occur simultaneously
Load factor
219
It is a method of proportioning structural components such that the allowable strength equals or exceeds the required strength of the component based on traditional approach.
Allowable Strength Design
220
In LRFD design philosophy, the factored resistance is ___________ the factored loads
Equal or greater than
221
Which of the following does the strength reduction factors accounts for:
Uncertainties in material strength Variations in placement of reinforcements Variations in dimensions
222
``` Which of the following is a live load in a bagged storage warehouse? Bagged products laborers Pallets All of the above ```
All of the above
223
``` Which of the following is not a dead load in a tunnel ventilated poultry housing building? The weight of the floor plastic crates the weight of the floor slab The weight of the partition walls None of the above ```
None of the above
224
It is a stone-like material obtained by proportioning mixture of cement, sand, and gravel or other aggregate, and water to harden in forms of the shape and dimensions of the desired structure.
Concrete
225
It is a structural material where the steel is imbedded in the concrete under high tension that is held in equilibrium by compressive stresses in the concrete after hardening.
Prestressed concrete
226
It is a structural material where the steel is used to enhance the structure’s ability to resist tensile forces.
Reinforced concrete
227
The role of the steel reinforcement in the concrete is ________?
to carry the tensile load To increase the capacity To provide additional strength when used in compression
228
Which of the following is not true? The tensile strength of concrete affects the shear strength and torsional strength The tensile strength of concrete is approximately 8 to 12% of its compression strength. The tensile strength has significant impact on deflections
None of the above
229
How many days will a general purpose cement reach its required strength?
28 days
230
All concrete regardless of their stress capacity reaches their ultimate strength at a strain of about __________.
0.002
231
It is a type of concrete test where the fresh concrete is placed inside a conical mold to determine its consistency.
Slump test
232
Among the slump test results, which result is desirable?
True slump
233
What is the standard size of the test specimen for compression test?
150 mm dia X 300 mm
234
What test should be used to determine the tensile strength of concrete?
Split cylinder test
235
Water to be used for making concrete should be __________.
Potable water
236
As water is added in a concrete mix, the strength of concrete __________.
Decreases
237
They are substances added to concrete just before or during mixing to improve the performance of concrete in certain situations.
Admixtures
238
What does ACI mean?
American Concrete Institute
239
Which of the following reinforcing steel can be used for reinforced concrete?
Reinforcing bars | Welded wire fabric
240
It is the distance from the nearest surface of concrete to the surface of the reinforcing steel
Concrete cover
241
What is the recommended minimum concrete cover for a floor beam on grade of a poultry housing?
40 mm
242
What is the recommended minimum concrete cover for a roof beam of a swine housing?
40 mm
243
It is a part of an RC beam designed for resisting flexural loads.
Concrete and Main reinforcing steel
244
It is a part of a singly reinforced RC beam designed to carry the tensile stresses
Main reinforcing steel
245
It is a part of a singly reinforced RC beam designed to resist the compressive stresses
Concrete
246
It is a part of a singly reinforced RC beam where the stirrups are anchored.
Hanger bars
247
In a cantilever reinforced concrete beam under uniform loading, the steel reinforcement is placed at the ___________.
Top
248
It is a beam where only the tension zone has reinforcement.
Singly reinforced beam
249
It is a beam wherein both the tension and the compression zone has reinforcement.
Doubly reinforced beam
250
It is a ratio of the area of steel over the area of concrete
Reinforcement ratio
251
It is a term used for beam where under flexural loads, concrete will fail first before steel reinforcement will yield.
Over reinforced beam
252
It is a term used for beam sections where under flexural loads, steel reinforcement will yield first before concrete will fail.
Under reinforced beam
253
It is a term used for beam sections where under flexural loads, steel reinforcement will yield the same time concrete will fail.
Balanced section
254
It is the bar that accounts for the positive or negative moment in the fixed-fixed beam.
Extra bars Cut bars Short bars
255
For continuous interior beams, the cut bars __________
Extends through the column
256
For a non-continuous beam, the short bar __________.
Terminates at the column
257
The depth of the beam is the distance from the top of the beam to the __________.
Centroid of the reinforcing steel
258
The concrete cover of the beam refers to __________
From the outer edge of concrete to the | surface of the reinforcing steel
259
It is a part of an RC beam designed for resisting shear loads.
Concrete and stirrups
260
Shear failure is a ductile failure having no sufficient warning.
False
261
Which of the following shapes can be used for the stirrups?
L-shape rectangular U-shape
262
In a simply supported reinforced concrete beam under uniform loading throughout its length, the location where the stirrups are narrowly spaced is at __________.
Support
263
In a simply supported reinforced concrete beam under uniform loading throughout its length, the position where the stirrups are widely spaced is at __________.
Midspan
264
Commonly used for fixing the stirrups onto the longitudinal bars and hanger bars?
Tie wires
265
It is the steel added in a one-way slab perpendicular to the main reinforcement.
Temperature bars Distribution steel Shrinkage reinforcement
266
Heavy equipment such as generators with engines are constructed with foundations so that it will not transmit its stresses to the slab-on-ground. Which of the following joints should be used?
Isolation joints
267
Concrete slabs may be designed without reinforcing steel bars?
True
268
It is defined as that length of embedment necessary to develop the full tensile strength of the bar.
Development length
269
What can be done if the required development length is restricted by the details of constructions?
Bend the bars
270
Which of the following hooks is not common in practice?
135 degrees hook
271
What should be done if the bar length is not enough for a given beam span?
Splice the bar and continue until required | length.
272
Splicing methods
Lap splices Use of mechanical connectors Welded splices
273
It is a part of a reinforced concrete column for resisting the axial loads
Concrete and steel reinforcements
274
Which of the following is not correct regarding reinforced concrete columns? Ties provides lateral restraints Ties are stronger than spiral Ties are less ductile as compared to spirals Ties are effective in increasing the column strength
Ties are stronger than spiral
275
What is the purpose of a lateral ties in a reinforced concrete column?
To increase column strength To prevent buckling of longitudinal bars To hold the longitudinal bars during construction
276
The area of steel reinforcement (As) in a reinforced concrete column shall be ___________ of the gross area of concrete.
0.01 < As < 0.08
277
Why should the maximum percentage of steel reinforcement may not be greater than 8% of the gross cross-sectional area of the column?
To prevent overcrowding of the bar To reduce difficulty of placing the steel into the forms and still get the concrete into the forms and around the bars. To prevent having honeycomb in the concrete