2017 Flashcards
(87 cards)
1
Q
It is a measuring instrument used to determine the area of an arbitrary two-dimensional shape.
A
planimeter
2
Q
maximum power rating for microhydro
A
100 kW
3
Q
Thickness of concrete FMR
A
200 mm
3
Q
Flow in pipe
A
steady-uniform
4
Q
diode needed as protection against lighting in the solar installation
A
blocking diode
5
Q
How many bits in a bytes
A
8
6
Q
nematode concentration
A
0
6
Q
rice reaper noise level
A
92 dB
7
Q
The minimum trajectory angle for sprinkler.
A
10-25 degrees
8
Q
Allowable percentage depletion of most crops.
A
50%
9
Q
The ratio of water beneficially used on the project, farm or field to the amount of water delivered to the farm.
A
Water Use Efficiency
10
Q
Soil moisture tension with 15 atmospheres.
A
PWP
11
Q
Basic irrigation method for lowland farming
A
basin irrigation
12
Q
Irrigation method with high cost but low operation cost
A
overhead irrigation
13
Q
Irrigation method wherein water is directed to the base of the plant and is applied to the soil through small orifices
A
drip or trickle irrigation
14
Q
Laterals enter the submain from one side only to minimize the double drainage that occurs near the submain
A
gridiron
15
Q
Depth of shallow tube well.
A
20 m or 60 ft
16
Q
Equation for evapotranspiration computation.
A
Penman-Montieth Equation
17
Q
Precipitation results from mechanical lifting of air mass over mountain barriers
A
Orographic rainfall
18
Q
Travels over the ground and through the channels to reach the outlets.
A
runoff
19
Q
A hydrograph with a unit volume of direct runoff for a given storm duration
A
unit hydrograph
19
Q
Combination of splash and sheet erosion.
A
inter rill
20
Q
Type of flow wherein the discharge or flow in a prismatic channel is constant with respect to time.
A
steady flow
20
Q
Flow greater than the critical flow.
A
supercritical flow
21
Irrigation components, related to flow and head.
head gates
22
Uses a thin wall of plastic, butyl, concrete, steel or wood to barrier against seepage through the wall.
full diaphragm type
23
Standard height of an earth embankment
15 meters
24
Measures atmospheric humidity
hygrometer
25
A mathematical expression for the macroscopic flow of water through a porous system
Darcyβs
26
The composite parts of the irrigation system that divert water from natural bodies of water such as rivers, streams, and lakes
headworks
27
A thin film of soil layer detached and transported by water flowing on the land surface
sheet erosion
28
The type of surveying in which the surface of the earth is considered as a plane, or in which its spheroidal shape is neglected, with regard to horizontal distances and directions.
plane surveying
29
The recommended pressure head variation in the lateral between the first and the last sprinkler.
20%
30
Soil property which describes the ability of the soil to transmit water
hydraulic conductivity
31
The surface is rarely wet since the water is supplied from the soil underneath. This requires complete control of the water table so that the root zone is kept relatively free of excess water but is continually supplied with capillary moisture during the cropping season.
sub-irrigation
32
What do you call the mountain side, with reference to the wind direction in which the air masses passing through it is cold and dry.
Leeward
33
The equation used in current meters is V= a + bN. What does a signifies?
starting velocity
π
: Velocity measured by the current meter.
π
: The offset or intercept, which is the velocity when π (number of pulses) is zero.
π
: The slope or proportionality constant that relates the number of pulses to the velocity.
π
: The number of pulses generated by the current meter.
34
Three lines for command
command area
35
Area where arrow cursor can be viewed
view area
36
Area where the cursor is at the current position
drawing area
37
A 25 kW-50 kW hydro power plant is classified as
micro hydro
38
For concrete road farm-to-market roads, the maximum slope from the centerline towards the ditch shall be
1.5%
39
In farm-to-market roads, the minimum radius of curvature for flat, rolling and mountainous terrains, respectively, shall be
500, 150, 50
40
In a bituminous farm-to-market road, what course is the third layer from the top?
aggregate subbase
41
The process which results in the diffusion of substances from the region of high concentration to the region of low concentration.
mass transfer
42
It refers to the extent or degree by which the bran layer of the brown rice is removed as a result of whitening
milling degree
43
Grit # of milled corn kernel with particle size between 1.8 mm to 2.0 mm
grit#10
44
The substance employed as heat absorber or cooling agent is called
refrigerant
45
Type of flooring with openings to facilitate cleaning of the droppings in housing for layer production
slotted
46
In FMR, the minimum hours before removal of forms
24 hrs
47
It is the ability of a rice mill to remove hulls without breaking
coefficient of wholeness
48
Mature male goat
buck
49
The sows and piglets remain in the farrowing house until the piglets are weaned. The weanlings are transferred to a growing-finishing house
two-unit system
50
Minimum space requirements per animal for boar pens.
7.5
51
In the housing for swine production, the heat lamps shall be placed above the sow.
152 mm
52
Method of greenhouse construction where modular roof units are connected at the eave by a common gutter
ridge and furrow
53
Air circulation space requirement between sidewalls and benches in a greenhouse
160 mm
54
In a brooding area, the birds shall receive a total of 23 hours of light at during the first 48 hours
35 watts/m2
54
Slaughterhouse shall be located at least how many meters away from any building used for human habitation, and from any factory, public road or public place?
200 m
55
Flammable gas derived from anaerobic fermentation of any organic matter especially animal manure or manure-biomass mixture.
biogas
56
A type of forage chopper where the chopped materials are blown up through the blow-up pipe
blow-up type
57
Linear water space requirement per 100 birds whose age are 4 weeks and below.
2.5 m
58
A measure of quantity of heat that will raise the temperature of one pound of water one degree Fahrenheit
BTU
59
The ratio of the actual partial pressure exerted by the water vapor in any volume of air to the partial pressure that would be exerted by the water vapor if the water vapor in the air is saturated at the temperature of the air
RH
60
Part of aerogenerators in wind farms that converts rotational movement to AC electricity.
alternator
61
What should be the tilt angle from the horizontal of the glass solar collector of a hybrid biomass-solar dryer located somewhere in Surigao, Philippines, having a longitude of 125 degrees and latitude of 9 degrees? Since Philippines is in northern hemisphere, the solar collector faces south or opposite hemisphere for maximum energy collection.
10 deg (minimum inclination for self cleaning)
62
used to divide or direct the flow of water between two or more canals or ditches. Water enters the box through an opening on one side and flows out through openings on the other sides.
division box
63
Sequential firing or combustion of the fuel charge inside the engine in the combustion chamber.
firing order
64
A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet.
atomization
65
Many marketers compete to sell similar products & emphasize on the strategy of differentiation
monopolistic competition
66
Tax imposed by the government on imported goods
Tariff
67
Most commonly used type for domestic and irrigation purposes. Consists of an impeller inside an involute casing.
Centrifugal
68
The process by which a farm manager looks ahead to the future & contemplates alternative courses of action for the farm
Farm Planning
69
When imports equal imports.
Balance of Trade
70
Tools Used to make holes or change the size or shape of holes.
boring tools
71
Type of thresher wherein the panicles of the cut plants are fed into the threshing chamber while the stalks are mechanically or manually held during the threshing operation.
hold-on thresher
72
Throw-in type thresher wherein cut plants are fed between the rotating cylinder and stationary concave and the threshed materials are discharged out of the threshing chamber tangentially.
through-flow thresher
73
Machine used to detach, separate and clean the kernels from the cob.
corn sheller
73
Type of thresher which detaches the grains by feeding the cut plants into the machine.
throw-in
74
For every 100 chicks, the waterer shall be placed on stands about 25 mm high, what is the minimum water requirement for linear type waterer (PAES 402:2001 Housing for Broiler Production).
3.6 L
75
In PAES 402:2001 Housing for Broiler Production, what is the length of waterer for linear type for 4 weeks old chicks.
a. 4 meters
b. 3 meters
c. meters
d. 1 meter
4 m
based on PAES, 4 weeks and below shall be 2.5 m while 4 weeks above shall be 4m. Pero wala sa choices so kamo na bahala hahakdog.
76
In PAES 410:200 (Lairage for Swine, Small and Large Animals), what is the minimum distance from the slaughterhouse?
10 m
77
Part of biogas digester that purifies and removes impurities from a gas
scrubber
78
A small trench for the drainage of animal waste
pit
79
A substance added to the mixture to increase the strength and minimize the time of drying
accelerator
80
Ratio of the drawbar power developed by the machine to the axle power
traction efficiency
81
Head agency of AFMech in terms of Research, Development and Extension Network
PhilMech
