High Priority - Agricultural Power - A Flashcards
1
Q
- Which of the following is not part of a force pump?
a. inlet valve
b. piston
c. plunger
d. discharge valve
A
b. piston
2
Q
- What do you call a device that forces more fuel mixture into the cylinders
than would be drawn in under normal atmospheric conditions, thus making
possible greater power output with the same piston displacement.
a. carburetor
b. supercharger
c. throttle
d. venturi
A
b. supercharger
3
Q
- Arrange the following according to the process of management.
i. Selecting the right employees for the right position
ii. Formulation of the mission, vision, goals, objectives and
activities of the organization
iii. Conducting of annual performance evaluation of employees.
iv. Coordinating the employees and material resources of the
organization.
v. Orientation of personnel for the proper achievement of goals.
a. i, ii, iii, iv, v
b. ii, iv, I, iii, v
c. ii, I, v, iv, iii
d. ii, iv, I, v, iii
A
d. ii, iv, I, v, iii
4
Q
- The gasoline engine is characterized as:
a. low first cost – high operating cost
b. low first cost – low operating cost
c. high first cost – high operating cost
d. high first cost – low operating cost
A
a. low first cost – high operating cost
5
Q
- The thermal efficiency and mechanical efficiency of an engine are 40% and
72%, respectively. Determine the power equivalent of the fuel used if the
brake horsepower is 1.35 hp.
a. 2.0 kW
b. 4.0 kW
c. 2.5 kW
d. 3.5 kW
A
d. 3.5 kW
6
Q
. A belt delivers a tangential force of 150 N on a half meter radius pulley
at a speed of 380 rev/min. What will be the power?
a. 2.0 kW
b. 0.5 kW
c. 3.0 kW
d. 3.5 kW
A
c. 3.0 kW
7
Q
- Commodity surplus occurs when the selling price is ____(X) ___, but
equilibrium is attained when the sellers agree to sell at a price at which
_____(Y)_____ are willing to buy.
a. X = High; Y = Vendors
b. X = Low; Y = Vendors
c. X = Low; Y = Consumers
d. X = High; Y = Consumers
A
d. X = High; Y = Consumers
8
Q
- For a 4 inches by 4 inches centrifugal pump with discharge of 250 gpm,
determine the size of the diesel engine. Efficiency of the pump is 65%, of
the belt transmission is 95%, and of the air-cooled system is 80%. Total head
is 30 ft.
a. 2.9 hp
b. 3.1 hp
c. 3.8 hp
d. 2.5 hp
A
9
Q
- Which pair is mismatched?
a. consumer good – personal effects
b. service – housecleaning
c. inelastic demand – food
d. producer good – clothes
A
d. producer good – clothes
10
Q
- In management, this is doing the right things.
a. Efficiency
b. competence
c. reliability
d. effectiveness
A
d. effectiveness
10
Q
- Which of the following agencies is not based in a university?
a. AMTEC
b. PhilSCAT
c. AMDP
d. PCARRD
A
. PCARRD
11
Q
- The following are considered discounted measures of project worth, except:
a. payback period
b. internal rate of return
c. benefit-cost ratio
d. net present value
A
a. payback period
12
Q
- General-purpose tillage involves cutting and pulverizing the soil to a
depth of:
a. up to 3 inches
b. up to 6 inches
c. up to 12 inches
d. up to 18 inches
A
b. up to 6 inches
13
Q
- Bend downward of the point of the share to make the plow penetrate the
soil to the proper depth is:
a. tilt angle
b. disc angle
c. horizontal suction
d. vertical clearance
A
d. vertical clearance
14
Q
- Width of cut of the disc plow is influenced by:
a. disc diameter
b. depth of cut
c. disc angle
d. all of the above
A
d. all of the above
15
Q
- General-purpose tillage equipment is used in:
a. 2-wheel tractor for wetland op.
b. 4-wheel tractor for dryland op.
c. 4-wheel tractor for wetland op.
d. all of the above
A
d. all of the above
16
Q
- Planter designed to place seedlings in rows and in hills is called:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. transplanter
A
d. transplanter
17
Q
- The IRRI drum seeder is an example of:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster
A
c. solid drill planter
18
Q
- The power unit for driving centrifugal pumps for household use is
usually:
a. electric motor
b. gasoline engine
c. diesel engine
d. kerosene engine
A
a. electric motor
19
Q
- The most recently developed system of harvesting and threshing of rice
is:
a. mechanical harvesting & threshing
b. combining
c. stripping
d. all of the above
A
c. stripping
20
Q
- A machine that cuts standing crop, conveys the cut crop to one side, and
lays them down in an orderly manner is called:
a. sickle
b. reaper-windrower
c. reaper-binder
d. stripper
A
b. reaper-windrower
21
Q
- The Japanese combine is characterized as:
a. low power & hold-on feeding
b. low power & throw-in feeding
c. high power & hold-on feeding
d. high power & throw-in feeding
A
a. low power & hold-on feeding
22
Q
- How many times greater is the power of a carabao over man?
a. 0.1
b. 1.0
c. 10
d. 100
A
c. 10
23
Q
- Which is true about V-belt and pulley drive?
a. It cannot be used for long center distance drive.
b. Efficiency drops with small pulley size.
c. Its application is limited only for parallel drive.
d. Excessive high load increases efficiency.
A
b. Efficiency drops with small pulley size.
24
Q
- Parameter not required in determining the field capacity of a planter:
a. width of planter
b. forward speed of planter
c. No. of seeds per hill
d. efficiency of planter
A
c. No. of seeds per hill
25
Q
- Type of soil working parts utilized by push-type weeders for wetland
operation:
a. blade type
b. tine type
c. rotary type
d. all of the above
A
c. rotary type
26
Q
- Which of the following is not measured in calibrating a sprayer?
a. nozzle discharge
b. effective working width
c. walking speed
d. application rate
A
d. application rate
27
Q
- Which of the following does not belong to the group of positive
displacement pumps?
a. lift pump
b. force pump
c. rotary pump
d. propeller pump
A
d. propeller pump
28
Q
- According to the National Irrigation Administration (NIA), water
requirement for rice production is:
a. 5 mm/day
b. 10 mm/day
c. 15 mm/day
d. 20 mm/day
A
b. 10 mm/day
29
Q
- It is made by partial combustion of carbonaceous substances like coal and
wood.
a. natural gas
b. propane
c. LPG
d. producer gas
A
d. producer gas
30
Q
- The tractor is generally characterized as:
a. high speed – heavy load
b. high speed – light load
c. low speed – heavy load
d. low speed – light load
A
c. low speed – heavy load
31
Q
- The three main sources of power for mechanization include:
a. human, animal & mechanical
b. human, electrical & mechanical
c. animal, electrical & mechanical
d. human, animal & electrical
A
a. human, animal & mechanica
32
Q
- Before the adoption of mechanized harvest and postharvest operations for
rice, field losses were:
a. 5 – 15%
b. 10 – 27%
c. 10 – 37%
d. 20 – 30%
A
c. 10 – 37%
33
Q
- In optimizing the capacity of a machine, it is recommended to have:
a. one small machine
b. one big machine
c. two or more small machines
d. all of the above
A
c. two or more small machines
34
Q
- Primary tillage involves cutting the soil to a depth of:
12
a. up to 3 inches
b. 3 to 6 inches
c. 6 to 18 inches
d. 6 to 36 inches
A
d. 6 to 36 inches
35
Q
- Primary tillage equipment that cuts the soil to a depth of 6 to 18 inches
is called:
a. moldboard plow
b. subsoiler
c. chisel plow
d. spiral plow
A
a. moldboard plow
36
Q
- The perpendicular distance between the wing and point of the share
determines the:
a. longitudinal dimension of plow
b. transverse dimension of plow
c. diagonal dimension of plow
d. maximum dimension of plow
A
b. transverse dimension of plow
37
Q
- Draft of plows is primarily determined by:
a. type of soil
b. speed of plowing
c. sharpness of cutting edge
d. overall adjustment of plow
A
a. type of soil
38
Q
- How many volumes of PAES were adopted by the Department of Agriculture?
13
a. two
b. three
c. four
d. five
A
c. four
39
Q
- The acronym PAES means:
a. Philippine Agricultural Engineering Society
b. Professional Agricultural Engineering Society
c. Philippine Agricultural Engineering Standards
d. Professional Agricultural Engineering Standards
A
c. Philippine Agricultural Engineering Standards
40
Q
- The development of PAES started in:
a. 1985
b. 1990
c. 1995
d. 2000
A
d. 2000
41
Q
- The word used to indicate requirements strictly to be followed in order to
conform to the standard and from which no deviation is permitted:
a. Shall
b. Should
c. a or b
d. none of the above
A
a. Shall
42
Q
- What section is not yet included in the PAES?
14
a. Production/postharvest machinery
b. Irrigation and drainage
c. agricultural structures
d. engineering materials
A
b. Irrigation and drainage
43
Q
- The Consumer Act of the Philippines of is covered under:
a. DA AO 11 S2001
b. PRC BR 05 S2002
c. RA 7394
d. RA 8559
A
c. RA 7394
44
Q
- Agency of the government charged with the development of the Philippine
National Standards (PNS):
a. BOAE-PRC
b. NAFC-DA
c. BPS-DTI
d. DOH
A
c. BPS-DTI
45
Q
- It is the peak of the turned furrow slice.
a. Furrow crown
b. Furrow slice
c. Furrow wall
d. None of the above
A
a. Furrow crown
46
Q
- Threshing efficiency basically is determined from weight of grain obtained
at the ___ to the grain input fed at the feeding trays.
a. straw outlet
b. oscillating screen outlet
c. blower outlet
d. All of the above
A
a. straw outlet
47
Q
- Grain-straw ratio requirement for testing a rice thresher ranges from ___.
a. 0.35 to 0.50
b. 0.50 to 0.65
c. 0.65 to 0.80
d. All of the above
A
b. 0.50 to 0.65
48
Q
- Ignition of fuel in a gasoline fuel engine usually starts when the piston
is __________.
15
a. at the top dead center
b. moving downward the bottom dead center
c. approaching the top dead center
d. None of the above
A
c. approaching the top dead center
49
Q
- It is the power developed by the engine of a tractor which is available
for pulling, dragging or similar tractive effort.
a. belt horsepower
b. brake horsepower
c. drawbar horsepower
d. indicated horsepower
A
c. drawbar horsepower
50
Q
- One way of increasing engine power is to force more air into the cylinder
so that more power can be produced from each power stroke. This process which
uses a type of air compression device powered by the engine crankshaft is
called:
a. turbocharging
b. supercharging
c. power charging
d. air charging
A
b. supercharging
51
Q
- The mechanical manipulation of soil for any purpose.
a. Land grading
b. Tillage
c. Earth moving
d. None of the above
A
b. Tillage
52
Q
- The pushing or rolling of soil by a steeply inclined blade.
a. Bulldozing
b. Chiselling
c. Subsoiling
d. None of the above
A
a. Bulldozing
53
Q
- The draft of a plow is dependent on the ___.
a. size of the plow
b. plowing depth
c. type of soil
d. All of the above
A
d. All of the above
54
Q
- The factors that affect the draft of the plow:
a. Soil condition
b. Hitch to the tractor
c. Topography
d. All of the above
A
d. All of the above
55
Q
- A mechanically-operated machine that removes weeds or grasses from the
crops.
a. Seeder
b. Weeder
c. Cultivator
d. None of the above
A
b. Weeder
