EXAM O

Question 1

ASAE stands for
a. American Society of Automotive Engineers
b. American Society of Air-conditioning Engineers
c. American Society of Agricultural Engineers
d. All of the above

Question 2

The optimum puddler speed for puddling-type floating tiller is
a. 100-150 rpm
b. 200-250 rpm
c. 300-350 rpm
d. None of the above

Question 3

Part of soil profile exploited by the roots of the plant.
a. Root bed
b. Root zone
c. Tillage zone
d. None of the above

Question 4

The soil profile modified by tillage or amendments for use by plant
roots.
a. Root bed
b. Root zone
c. Tillage zone
d. None of the above

Question 5

When plowing requires for the soil to be incorporated or mixed with
grasses and weeds, as an Agricultural Engineer you will recommend
a. Disc plow
b. Rotary plow
c. Moldboard plow
d. All of the above

Question 6

Manual transplanting of rice is advantageous over mechanical rice
transplanter in terms of
a. Intelligence
b. Dexterity
c. Cost
d. None of the above

Question 6

If soil clods are needed to be inverted during plowing, the agricultural
engineer will recommend a
a. Disc plow
b. Moldboard plow
c. None of the above
d. All of the above

Question 7

An agricultural engineer will recommend a _______ in order to loosen the
soil during plowing
a. Subsoiler
b. Field cultivator
c. Chisel plow
d. None of the above

Question 8

It is a factor which considers the physical condition, heart-beat ratio,
and body weight of a person when operating a machine.
a. Humanistic factor
b. Mechanical operation factor
c. Ergonomic factor
d. All of the above

Question 9

It is a part of seeder that eventually distributes seed in rows.
a. Metering device
b. Drive wheel
c. Seed hopper
d. None of the above

Question 10

It is a machine which has one or more elements that rotates about a
vertical axis and cut grass by impact.
a. Rotary mower
b. Grass cutter
c. Power scythe
d. All of the above

Question 11

Cocomethyl ester, also known as biodiesel, is a non-toxic, eco-friendly
fuel having similar properties as diesel fuel. The process of
transesterifying raw vegetable oil into cocomethyl ester requires the use
of:
a. alcohol
b. oxygen
c. hydrogen
d. carbon dioxide

Question 12

A type of pump that develops most of the suction and discharge head by
propelling or lifting action of the impeller vanes in the water.
a. Axial-flow pump
b. Centrifugal pump
c. Mixed-flow pump
d. None of the above

Question 13

The method in which planting is done directly onto an essentially
unprepared seedbed.
a. Zero tillage
b. No-tillage planting
c. Reduced tillage
d. None of the above

Question 13

A machine that breaks the liquid droplets of effective size and distributes them uniformly over the surface or space to be protected, and regulates the amount of chemical solution to avoid excessive application that might prove harmful or wasteful.
a. Duster
b. Sprayer
c. All of the above
d. None of the above

Question 14

The primary factor that affects the performance of the sprayer.
a. Spray-particle size
b. Spraying time
c. Spray materials
d. None of the above

Question 15

A type of mechanical rice thresher that detaches and separates the grains
from the panicles by feeding the rice-in-stalks into the machine.
a. Axial-flow thresher
b. Throw-in thresher
c. Hold-on thresher
d. None of the above

Question 16

Factors affecting the power requirement of a rice thresher.
a. Feeding rate
b. Moisture content
c. Length of straw
d. All of the above

Question 17

If the adjusted rated horsepower is 7.25 hp and the service factor is
1.4, find the number of belt(s).
a. 4
b. 3
c. 2
d. 1

Question 18

The following are the reasons why mechanization is a difficult problem in
less developed countries, except:
a. social system
b. small farm size
c. resistance to change of some farmers
d. land conservation programs

Question 19

____(X)____ is a market situation that exists when there are few
suppliers of a product or service that the action by one results in
_____(Y)_____ action by the others.
a. X = Perfect Competition; Y = indefinite
b. X = Monopoly; Y = Opposite
c. X = Monopoly; Y = Similar
d. X = Oligopoly; Y = Similar

Question 20

Draft of plows is primarily determined by the:
a. type of soil
b. speed of plowing
c. sharpness of cutting edge
d. overall adjustment of plow

Question 21

Which statement is not true?
a. Metal with high fusibility are usually high in weldability.
b. Toughness is the ability of a material to withstand bending and
twisting.
c. Grain size is directly related to strength.
d. Malleability is the capability of a material to resist being shaped
and formed.

Question 22

When Philippines did adopt the metric system?
a. January 1, 1980
b. January 1, 1981
c. January 1, 1982
d. January 1, 1983

Question 23

Which does not belong to the group? a. Ericson engine b. Stirling engine c. Wankle engine d. Rankine engine

Question 24

These rely on the illumination-spectrum intensity coming from the sun. a. thermal or heat-based applications b. greenhouse applications c. photovoltaic applications d. solar pond principle

Question 25

The following are methods of reducing risks in agriculture, except: a. Insurance b. flexibility c. future contract d. aggregation

Question 26

The following are the characteristics of diesel engine compared to gasoline engine, except: a. higher fuel – utilization efficiency b. higher fuel consumption c. higher compression ratio d. higher air-fuel ratio

Question 27

A businessman needs an immediate cash of P80,000. He may borrow from any of five possible lenders. The first charges an effective interest rate of 10.5%, the second at 9.6% (discounted), and the third at 10.4% compounded semiannually. The fourth will require him to pay a lump sum of P90,000 after one year, while the fifth will be twelve equal end-of-the-month payments of P7,500.00. Which is the best offer? a. 1st b. 2nd c. 3rd d. 4th

Question 28

Among the following statements, which demonstrates efficiency in operations? i. Reducing the number of workers while the maintaining the same target yield. ii. Increasing the number of workers while maintaining the same target yield. iii. Increasing the target yield and maintaining the number of workers. iv. Reducing the number of workers and reducing the target yield. v. Increasing the number of workers and increasing the target yield. a. i only b. i, iii c. i, iii, v d. iii, iv

Question 29

It is an indicator of the amount of fuel in a furnace that is converted into ash. a. burning efficiency b. thermal efficiency c. latent heat d. heat utilization efficiency

Question 30

When viewed in front, tractor tires must be mounted with the V-pattern pointing in what direction? a. Sideward b. upward c. downward d. backward

Question 31

Tires can be partially filled with water to improve traction. a. Wheelbase b. Rollover c. drawbar d. ballast

Question 32

The mechanical function of the planter does not include: a. sorting the seeds b. metering the seeds c. depositing the seeds d. covering the seeds

Question 33

A process by which a farm manager looks ahead to the future and contemplates alternative courses of action for the farm. a. farm budgeting b. farm planning c. farming d. farm management

Question 34

A 4-cylinder, 120 mm × 120 mm engine turns at 2000 rpm. What is the total engine displacement? a. 500π cm3 b. 250π cm3 c. 1000π cm3 d. none of the above

Question 35

It refers to ratio of the kinetic energy of air that a windrotor can convert into mechanical energy over the theoretical maximum available from the wind. a. Power coefficient b. Speed coefficient c. Torque coefficient d. none of the above

Question 36

___________ is any paid form of non-personal presentation and promotion of products. a. Advertising b. Personal selling c. Sales promotion d. Public relations

Question 37

SAE number is an indicator of: a. fuel utilization efficiency b. maximum tire load c. brake horsepower d. oil viscosity

Question 38

___________ often called mild steel bars in rectangular, angular and square shapes are useful in bench metal work. The bars can be pounded, twisted and bent into many shapes. Mild steel is often used as replacement for wrought iron, because it is less expensive. a. round bars b. cast iron bars c. pig iron bars d. hot rolled iron bars

Question 39

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 40

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

Question 41

Time value of money and interest rate utilized together generate this concept which means that different sums of money at different times can be equal in economic value. a. equivalence b. equalization c. equilibrium d. equestrian

Question 42

Investment A costs P10,000 today and pays back P11,500 two years from now. Investment B costs P8,000 today and pays back P4,500 each year for two years. If an interest rate of 5% is used, what investment decision will you make and why? a. Choose investment A because it provides a net present value that is P128 more than B. b. Choose investment B because it provides a net present value that is P128 more than A. c. Choose investment A because it provides a net present value that is P64 more than B. d. Choose investment B because it provides a net present value that is P64 more than A.

Question 43

It is used to seal engine components which are bolted to the sub-frame, the cylinder block, and the crankcase. a. Oil b. Grease c. Gasket d. None of the above

Question 44

An air cooled engine is basically equipped with a. Pump b. Fan c. Fan and pump d. None of the above

Question 45

A rice hull gasifier reactor that produces less tar during operation. a. Updraft b. Crossdraft c. Downdraft d. All of the above

Question 46

The primary gas produced during gasification. a. Methane b. Carbon dioxide c. Carbon monoxide d. All of the above

Question 47

When an engine is diesel operated, a. The moisture of air and fuel is taken in the cylinder b. The fuel is compressed into the combustion engine c. Air fuel ratio is not constant as the quantity of air drawn into the cylinder is not always the same d. All of the above

Question 48

When operating light equipment, it is recommended to use. a. Four stroke gasoline engine b. Two stroke gasoline engine c. Four stroke diesel engine d. All of the above

Question 49

A four-stroke-cycle engine is advantageous to use than two-stroke-cycle engine for the reason that a. It is easier to start the engine b. Has regular intake and exhaust valves c. Easy to lubricate d. All of the above

Question 50

A turbine used for hydro system wherein pressurized water is converted into a high speed jet by passing it through a nozzle. a. Impulse turbine b. Reaction turbine c. Water wheel d. None of the above

Question 51

A component part of solar electric system that converts sunlight to electricity a. PV panel b. Solar cell c. Solar module d. All of the above

Question 52

A turbine for hydro system which runs completely filled with water. a. Impulse turbine b. Reaction turbine c. Water wheel d. None of the above

Question 53

Solar battery is rated in terms of a. Dimension of the battery b. Wattage c. Ampere – hour d. None of the above

Question 54

The act of analyzing, testing, and measuring the engine to remedy the cause and trouble. a. Servicing b. Tune-up c. Trouble shooting d. All of the above

Question 55

When strength is provided beyond what is needed as an extra margin of insurance against parts failure. a. Factor of ignorance b. Factor of safety c. Reliability d. None of the above

Question 56

An engine running without load is in. a. Optimum running condition b. Low running condition c. Idle condition d. None of the above

Question 57

Two engines are rated 1 hp and the other is 1 ps. Which of the following statement is true? a. 1 hp engine is stronger than 1 ps engine b. Two engines are the same in strength c. 1 ps engine is stronger than 1 hp engine d. None of the above statement is true

Question 58

Japanese engines are usually rated in terms of a. Horsepower b. Pferde starke c. Watts d. All of the above

Question 59

A kilogram fuel consumed by an engine per hr per amount of brake power is the _______. a. fuel consumption rate b. specific fuel consumption rate c. specific fuel d. None of the above

Question 60

A tractor type designed for operation with advantage under trees. a. Standard tractor b. All-purpose row crop tractor c. Orchard tractor d. All of the above

Question 61

Which of the following is not driven by PTO shaft? a. Rotary tiller b. Power harrow c. Moldboard plow d. All of the above

Question 62

It is a circular flat tool placed ahead of a plow used to cut plant material and soil. a. Jointer b. Pinion plow c. Coulter d. None of the above

Question 63

Angle in vertical plane parallel to the direction of travel between a tool axis and the soil surface. a. Tilt angle b. Side angle c. Lift angle d. None of the above