Midterm Exam

Question 1

Enumerate the factors that have to be designed in reinforcement

Answer 1

Number, Diameter, Spacing, Shape, Type of bar

Question 2

Steps in reinforcing concrete?

Answer 2

Assemble and erect formwork, Prepare and place reinforcement, Pour and compact or vibrate concrete, Strike and remove formwork in stages as curing proceeds

Question 3

Functions of a structural engineer?

Answer 3

Calculation of area, Diameter, Type, Position, Number of reinforcing bars

Question 4

Horizontal plate-like structure, usually of solid cast in place concrete or precast concrete, functions as a floor or roof structure

Answer 4

Slab

Question 5

Concrete is a material which is strong in ? and weak in ?

Answer 5

Compression, Tension

Question 6

Floor bed; reinforced concrete floor construction cast directly onto the underlying ground

Answer 6

Slab on grade

Question 7

These are slabs which rest on a bearing and for design purposes are not considered to be fixed to the support.

Answer 7

Simply supported slab

Question 8

Types of Beam

Answer 8

Roof Beam, Grade/Ground/Tie Beam

Question 9

Classifications of Problems in a column

Answer 9

Short Column - not greater than 10x of the shortest dimension, Long Column - greater than 10x of the shortest dimension

Question 10

Forces that act (in general)

Answer 10

Compression, Tension, Shear, Buckle

Question 11

Forces that act along a slab

Answer 11

Compression, Tension

Question 12

Forces that act along a column

Answer 12

Axially Loaded Columns, Uniaxial loading, Biaxial Loading

Question 13

Problems (Crack) in a column

Answer 13

Corrosion Crack, Diagonal Crack, Horizontal Crack, Splitting Cracks, Buckling, Compressive, Shear

Question 14

Types of loads on beams

Answer 14

Concentrated/Point Load, Uniformly distributed load or line load, Uniformly Varying load - Triangular loads, Parabolic Loads

Question 15

Types of Beam

Answer 15

Simply supported beam, Rigidly fixed beam, Cantilever beam, Overhanging beam, Continuous beam

Question 16

Steel is subject to – if not protected

Answer 16

Corrosion

Question 17

Steel is subject to ? at high temperatures if not fire proofed

Answer 17

Loss of strength and stiffness

Question 18

Joining steel Members

Answer 18

Rivets, Bolts, Welds (Welding)

Question 19

Illustrate the steps of rivet technique

Answer 19

Fixation of Blankholder, Punching, Filling of shank groove, Return Stroke

Question 20

Types of Weld

Answer 20

V-Groove Weld with Backup Bar, Single Bevel Groove Weld with Backup Bar, Fillet Weld

Question 21

Typical Standard Steelwork Sections

Answer 21

Universal Beams, Universal Columns, Joists, Channels, Hollow Sections, Equal Angles, Unequal Angles

Question 22

Types of Joist

Answer 22

American Standard, Wide-Flange

Question 23

Compound sections

Answer 23

Produced by welding together standard sections

Question 24

Beam or Column

Answer 24

Single, Double, Triple

Question 25

Channel

Answer 25

Back to back, Back to Back with Flange

Question 26

Plates

Answer 26

Toe to Toe

Question 27

Types of beams in steel construction

Answer 27

Open Web Beams, Perforated Beam, Castellated Beam, Litzka Beam

Question 28

Typical Connection Samples in Steelwork Construction

Answer 28

Simple Connection, Semi-Rigid Connection, Column to Foundation Connection, Top beam bearing connection, Beam to beam connection, Column to Column connection

Question 29

Typical example for a 2-hour fire resistance

Answer 29

Solid Protection, Hollow Protection

Question 30

Types of Bracing Frames

Answer 30

Diagonal Bracing, X-Bracing, Inverted V-Bracing, V-Bracing, K-Bracing

Question 31

Three Basic Stabilizing Mechanisms commonly used

Answer 31

Braced Frame, Shear Walls, Moment-Resisting Frame

Question 32

Parts of a building skeleton

Answer 32

Columns, Slab, Beam, RC Shear wall, Foundation

Question 33

Characteristics of Paint

Answer 33

Sheen, Viscosity, Opacity, Coverage Area

Question 34

Types of Sheen

Answer 34

Gloss, Semi-Gloss, Satin, Matte, Flat

Question 35

Paint Materials or Components

Answer 35

Primer - intercoat adhesion, Putty - minor imperfections/hairline cracks, Topcoat - final coating for aesthetic purposes, Thinner or Reducer - reduces viscosity of paint