EXAM B

Question 1

The ratio between the numbers of weeds removed by the weeder to the number
of weeds present per unit area.
a. Weeding index
b. Weeding rate
c. Weeding capacity
d. None of the above

Question 2

When a machine is driven directly from the shaft of a power source, the
power is transmitted using ___.
a. gear drive
b. sprocket and chain drive
c. direct drive
d. None of the above

Question 2

The ratio between the mass of fuel consumed per unit time and the
corresponding power measured.
a. Specific fuel consumption
b. Fuel to mass ratio
c. Fuel consumption rate
d. None of the above

Question 2

As a rule of thumb, single-phase alternating current electric motor should
be used for applications requiring:
a. < 4 hp
b. < 5 hp
c. < 6 hp
d. < 7 hp

Question 3

The projection of cash inflow and outflow of a farm to estimate the
incremental net benefit of the life of the project is known as:
a. Farm budget
b. Farm plan
c. Farm inventory
d. Farm contract

Question 4

The gearbox placed on first gear will develop…
a. high torque - high speed
b. low torque – low speed
c. high torque – low speed
d. low torque – high speed

Question 5

A transaction by your company this year involving the repayment in cash of
a portion of the long term loan of the company in the amount of P 70,000.00
would have the following effect:
a. increase in assets = increase in liabilities
b. decrease in assets = decrease in liabilities
c. increase in assets = increase in ownership
d. increase in one asset= decrease in another asset

Question 6

It results in the reduction of the purchasing power of monetary unit.
a. deflation
b. devaluation
c. incision
d. inflation

Question 7

A six-bottom moldboard plow is to be used to plow a heavy soil. How many
scrapers are there in the plow?
a. 2
b. 4
c. 6
d. None of the above

Question 8

It is a part of the plow that connects the plow bottom and the frame.
a. Upper hitch point
b. Boom
c. Shank
d. None of the above

Question 9

Material recommended by PAES for use as implement frame.
a. Mild steel
b. Cold rolled steel
c. Spring steel
d. None of the above

Question 10

When a disk harrow consists of a front and rear gangs and is centrally
positioned with the tractor, it is classified as _________?
a. Single action harrow
b. Double action harrow
c. Offset harrow
d. None of the above

Question 11

Material recommended by PAES in the manufacture of disk blade.
a. Mild steel
b. Carbon steel
c. Cast iron
d. None of the above

Question 12

When a disk harrow consists of a front gang only and is centrally positioned
with the tractor, it is classified as _________?
a. Single action harrow
b. Double action harrow
c. Offset harrow
d. None of the above

Question 13

When a disk harrow consists of a front and/or rear gangs and is not
centrally positioned with the tractor, it is classified as _________?
a. Single action harrow
b. Double action harrow
c. Offset harrow
d. None of the above

Question 14

The angle between the axis of the set of disks and the line perpendicular
to the direction of the implement.
a. Disk angle
b. Gang angle
c. Implement angle
d. None of the above

Question 15

The horizontal seed plate is used for:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

Question 16

Planters designed to plant seeds continuously in rows with row spacing
greater than 36 cm is called:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

Question 17

The groundwheel of a planter is normally related to the operation of the:
a. furrow opener
b. metering device
c. seed tube
d. double-disc closer

Question 18

Part of a planter that is always present in all planters regardless of
type and cropping system:
a. furrow opener
b. metering device
c. seed tube
d. furrow closer

Question 19

Planter designed to plant seeds in rows and in hills is called:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

Question 20

The adjustable orifice with agitator is used for:
a. row-crop drill planter
b. hill-drop planter
c. broadcaster
d. transplanter

Question 21

Parameter not required in the calibration of a planter is:
a. row spacing
b. ave. seed emergence
c. forward speed
d. groundwheel diameter

Question 22

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

Question 23

The IRRI drum seeder is an example of: a. row-crop drill planter b. hill-drop planter c. solid drill planter d. broadcaster

Question 24

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

Question 25

Sprayers are used primarily for the application of : a. herbicides b. insecticides c. fungicides d. pesticides

Question 25

Method of pest control not considered engineering control is: a. chemical control b. biological control c. mechanical control d. a and b

Question 26

Principle used in creating hydraulic energy in a lever-operated knapsack sprayer is: a. adding air to a container with fixed volume of liquid b. adding liquid to a container with a fixed volume of air c. adding liquid to a container with an existing volume of liquid d. adding air to a container with an existing volume of air

Question 26

Which of the following is not a spray nozzle pattern? a. hollow cone nozzle pattern b. solid cone nozzle pattern c. hollow fan nozzle pattern d fan nozzle pattern

Question 27

Operation with the highest manual labor requirement for lowland rice: a. plowing with carabao b. hand transplanting c. weeding with push-type weeder d. manual harvesting

Question 28

It is a self-propelled machine having a single axle designed primarily to pull and propel trailed or mounted agricultural implement and machinery. a. Walking-type tractor b. Pedestrian tractor c. Hand tractor d. All of the above

Question 29

Warranty period for hand tractor from the purchase of the machine. a. 4 months b. 6 months c. 12 months d. All of the above

Question 30

The required water temperature in testing pump. a. 10 deg and below b. 10 deg - 40 deg c. 40 deg - 60 deg d. None of the above

Question 30

A metal sheet with gauge number equal to 14 means___. a. 14-mm thick b. 14 pieces of metals sheet in a stock c. 14 pieces in one-inch thickness d. None of the above

Question 31

The criteria used in evaluating the performance of a machine. a. Reliability of machine b. Environment and safety c. Cost of operation d. All of the above

Question 32

The development of a desirable soil structure for a seedbed does not include: a. higher water infiltration rate b. increased water surface runoff c. greater water holding capacity d. promotion of root penetration

Question 33

Soil cut, lifted, inverted and thrown to one side of the blow bottom is termed: a. furrow b. furrowslice c. backfurrow d. Deadfurrow

Question 34

Bend sideward of the point of the share to make the plow cut the proper width is: a. vertical clearance b. horizontal suction c. disc angle d. tilt angle

Question 35

The angle the disc of a disc plow makes with the direction of travel to make it cut the proper width and allow it to rotate when moving forward is: a. 15 – 25 degrees b. 42 – 45 degrees c. 55 – 60 degrees d. 30 – 36 degrees

Question 36

In the equation C = SWEff/10, C is capacity expresses in: a. m2/h b. m2/day c. ha/h d. ha/day

Question 37

Floating power tillers are used in: a. 2-wheel tractor for wetland op. b. 2-wheel tractor for dryland op. c. 4-wheel tractor for wetland op. d. 4-wheel tractor for wetland op

Question 38

The mechanical function of the planter does not include: a. sort the seeds b. meter the seeds c. deposit the seeds d. cover the seeds

Question 39

The horizontal seed plate is used for: a. row-crop drill planter b. hill-drop planter c. solid drill planter d. broadcaster

Question 39

Method of pest control not considered engineering control is: a. chemical control b. biological control c. mechanical control d. a and b

Question 40

Sprayers are used primarily for the application of : a. herbicides b. insecticides c. fungicides d. pesticides

Question 41

Which of the following belong to the group of variable displacement pump? a. centrifugal pump b. mixed flow pump c. air lift pump d. all of the above

Question 42

In the equation for horsepower, Hp = QxH/ 3960xEff, Eff is: a. efficiency of pump b. efficiency of transmission c. efficiency of prime mover d. efficiency of the system

Question 43

The direct type of power transmission system has: (code 52) a. 90% Eff b. 95% Eff c. 98% Eff d. 100% Eff

Question 44

Select two consecutive farm operations which when done mechanically can increase cropping intensity: a. planting – spraying b. irrigation – weeding c. harvesting – plowing d. harvesting – threshing

Question 45

The three-phase electric motor 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

Question 45

1 pk is equal to ____________ watts a. 735.49 b. 740.12 c. 760.00 d. None of the above

Question 46

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

Question 47

Indicates the maximum load that can be safely carried by an electric motor under continuous operation: a. duty rating b. service factor c. hp rating d. current rating

Question 48

The piston goes up and the two valves remain closed is termed: a. intake b. compression c. power d. exhaust

Question 49

Type of transmission system where the speed ratio depends on the teeth ratio of the two members: a. gears b. chain and sprocket c. belt and pulley d. a and b

Question 50

In a compression-ignition engine, the fuel is introduced into the cylinder at the: a. start of intake b. start of compression c. end of intake d. end of compression

Question 51

A valve operates: a. once per cycle b. twice per cycle c. 3X per cycle d. 4X per cycle

Question 52

The thermal efficiency range for internal combustion engines is: a. 25 – 36% b. 36 – 50% c. 50 – 75% d. 75 – 90%

Question 53

Type of power transmission system where clutch action is possible: a. direct coupling b. chain and sprocket c. belt and pulley d. gears

Question 54

The gearbox placed on first gear will develop: a. high torque - high speed b. low torque – low speed c. high torque – low speed d. low torque – high speed