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2. PRE-BOARD EXAM QUESTIONS > PART 1 - POST TEST > Flashcards

PART 1 - POST TEST Flashcards

1
Q

Machine to be designed, if possible, should have ___reliability

A

99.9%

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2
Q

Shock resistance of steel is increased by adding

A

nickel and chromium

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3
Q

Kind of steel used for making tractor drawn disk plow bottoms

A

soft-centered steel

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4
Q

It is a type of material failure where the stresses in the material exceeds the material’s ultimate strength causing it to fracture
into two or more parts but has undergone plastic deformation.

A

ductile fracture

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5
Q

All are fundamental canons stated in the code of ethics of engineers except:
a. Hold paramount the safety, health, and welfare of the public.
b. Perform services only in areas of their competence.
c. Issue public statements only in an objective and truthful manner.
d. Acknowledge their errors and shall not distort or alter the facts.
e. Act for each employer or client as faithful agents or trustees.

A

D. Acknowledge their errors and shall not distort or alter the facts.

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6
Q

A farmer decides to stop growing crop A and instead use the land to grow crop B. The amount of potential profit lost by not
growing crop A represents the farmer’s

A

opportunity costs

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7
Q

A sliding bearing which can support steady loads without any relative motion between the journal and the bearing is called

A

hydrostatic lubricated bearing

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8
Q

Optimizing the use of farm resources on an individual farm level is dealt in

A

farm management

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9
Q

It is a type of material failure defined as a compressive instability that usually occurs for long members.

A

buckling

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10
Q

What is the power rating of Type B V-belt?

A

0.764 to 18.642 kW

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11
Q

The usual proportion for the width of key to the diameter of shaft is

A

d/4

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12
Q

This refers to the mean of the individual bottoms’ centers of resistance each located one-fourth the width of cut to the right of
the landside and the junction of the share and the moldboard

A

center of plow resistance

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13
Q

For walking plows, to cause the mounted plow to go deeper the plow body is tipped

A

forward

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14
Q

Which of the following statements is not true about mass flow type metering devices?
a. Mass flow type for crops that are usually planted at higher seeding densities.
b. Mass flow type for crops that are planted in relatively narrow rows.
c. Mass flow type for crops that can tolerate considerable variation in both seeding rate and uniformity of seed spacing
without a significant loss in yield.
d. Mass flow type for crops that are usually planted at relatively low seeding densities.
e. Both c and d

A

d. Mass flow type for crops that are usually planted at relatively low seeding densities.

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15
Q

It is an inter-organizational system made up of a set of interdependent activities aimed at expanding agricultural production

A

Agricultural Marketing Machinery

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16
Q

This aggent middleman usually does not have the physical control of the product, ordinarily follows the instructions of his
principal closely and has less discretionary power in the price negotiations than the commission agents

A

broker

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17
Q

When the price of a product decreases, ceteris paribus, the product becomes cheaper. It is, therefore, more attractive relative
to other products (and vice versa).

A

the substitution effect

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18
Q

In operating a corn picker, this should be done

A

Do not clean, grease, or adjust the machine while the power is connected

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19
Q

Ways to reduce reaper’s harvesting losses include:
a. Avoid sharp turn when cutting
b. Reduce cutting speed when cutting shattering variety
c. Clear the rice panicle off the upper lugs and star wheels whenever possible.
d. All of the above
e. Both A and B only

A

AOTA

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20
Q

Little or no air cushion in the pressure cylinder of the knapsack sprayer would cause

A

Insufficient resistance during repeated pumping

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21
Q

If leaks from the end of spray wand is observed when using a knapsack sprayer, what should be done?

A

Inspect and rebuild shut-off valve.

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22
Q

The force which resists motion of the wheels over a track or field surface

A

rolling resistance

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23
Q

The automatic draft control in a modern farm tractor __

A

is the hydraulic implement hitch system which automatically raises or lowers a soil engaging implement to maintain its
draft at a pre-selected value

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24
Q

When total ultility increases, marginal utility is ___

A

positive

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25
Q

Chain lubrication in which the lower strand of chain runs through a sump of oil in the drive housing

A

bath lubrication

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26
Q

Typical diesel engine power requirement of power tiller used for plowing and harrowing rice field?

A

7 hp

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27
Q

A sprayer with a pressurized liquid tank and in which the discharge is carried out with the air pressure created in advance by
built-in pump or from outside

A

compression sprayer

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28
Q

Which of the following statement is not true about cultivation?
a. It helps retain moisture by killing weeds and draining rainfall.
b. It aids in developing plant food.
c. It aerates the soil to allow oxygen to penentrate.
d. Promote activity or microorganism.
e. Both b and d

A

a. It helps retain moisture by killing weeds and draining rainfall.

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29
Q

Minimum area required for testing manually-operated seeder.

A

not less that 500 m2

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30
Q

Gauge wheels control the ____.

A

depth of penetration of shovel

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31
Q

An axial-flow type which is similar with the portable thresher with oscillating screen but larger in size usually equipped with
support wheel for ease of transport

A

mobile axial-flow thresher

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32
Q

RK Series Mitsubishi engines commonly used for power tillers basically are ___ water-cooled-type engines.

A

horizontal

33
Q

In what order do managers typically perform the managerial functions?

A

Planning, organizing, leading, controlling

34
Q

What are the three interpersonal roles of managers?

A

Figurehead, leader, liaison

35
Q

Stoichiometric air requirement of rice husks.

A

4.7 kg air per kg fue

36
Q

The firing order of inline 8 cylinder engine is

A

1-5-4-8-7-2-6-3

37
Q

Monitoring body for the service warranty provided by the assemblers, manufacturers, importers, suppliers, distributors, and
dealers of agri-fisheries machines under AFMech Law.

A

LGU and BAFE

38
Q

In the code of ethics for engineers the following are rules of practice except
a. Engineers shall hold paramount the safety, health, and welfare of the public.
b. Engineers shall perform services only in the areas of their competence.
c. Engineers shall issue public statements only in an objective and truthful manner.
d. Engineers shall be guided in all their relations by the highest standards of honesty and integrity.
e. Engineers shall act for each employer or client as faithful agents or trustees.

A

d. Engineers shall be guided in all their relations by the highest standards of honesty and integrity.

39
Q

Maxion Tractor is made from

A

brazil

40
Q

The perpendicular distance between the upper hitch point and the common axis of the lower hitch point of the tractor

A

mast height

41
Q

Process of planning and executing the conception, pricing, promotion and distribution of ideas, goods, and services to create
exchange and satisfy the individual and organizational goals.

A

Marketing

42
Q

What is the term “rule of thumb” type of bias in decision making?

A

Heur tics

43
Q

Axial flow rice thresher basically are powered by gasoline engine

A

16 hmp

44
Q

An axial flow rice thresher typically has a capacity of

A

0.17 ha/hr

45
Q

Moldboard plow accessory primarily used to cut through the surface residues, encabling more complete coverage of surface
trash

A

rolling coulters

46
Q

An axial flow rice thresher typically has a capacity of

A

0.17 ha/hr

47
Q

Moldboard plow accessory primarily used to cut through the surface residues, encabling more complete coverage of surface
trash

A

rolling coulters

48
Q

Which of the following statements is true?
a. At 1st gear position, the engine speed is faster than the machine being driven.
b. At 2nd gear position, the engine speed is faster than the machine being driven.
c. At 4th gear position, the engine speed is slower than the engine being driven.
d. All of the above
e. None of the above

A

aota

49
Q

The following should be done for the maintenance and care of planters except
a. Calibrate the seed metering system
b. Check to determine if the presswheels are functioning properly
c. Roller chains should be removed, tagged, and stored in a can of light oil
d. Detachable links chain should be stored free from oil.
e. Store in a shed or cover with plastic or canvass sheets

A

d. Detachable links chain should be stored free from oil.

50
Q

The process of placing seeds in holes made in seedbed and covering them.

A

dibbling

51
Q

When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they
are known as

A

mitre gears

52
Q

This will be a business enterprise under the AFMech Law aimed to provide farmers after-sales service and warranty, provide
custom farm mechanization services, and services on repair and trouble shooting, as well as training on maintenance and
proper use of agricultural machinery and equipment.

A

Agri-fisheries Machinery and Equipment Service Centers

53
Q

Aerosol generator is a mechanical device that produces a liquid dispersion having a volume meadian diameter of less than

A

50 μm

54
Q

All of the following are examples of cash outflows, except :
a. Asset salvage value
b. Income taxes
c. Operating cost of asset
d. First cost of asset
e. None of the above

A

asset salvage value

55
Q

The following are benefits of mechanization except
a. Contracts the Demand for Work Animals for ploughing, water lifting, harvesting, transport etc.
b. Brings in other Improvements in Agricultural Technique.
c. Modifies Social Structure in Rural Areas.
d. Leads to Commercial Agriculture.
e. Creates the Problem of Labor Shortage.

A

e. Creates the Problem of Labor Shortage.

56
Q

Which of the following is a condition necessary for farm mechanization?
a. Mechanization must result in more production at lower cost than the traditional method – to justify the equipment cost,
divert displaced labor to more productive operations
b. Mechanization must assist labor to overcome peak energy requirements which are in excess of manpower available
c. Mechanization must replace time and energy efficiently – should be less than those required with the use of hand tools
d. All of the above
e. Both A and C only

A

aota

57
Q

AFMA focuses on the following major concern except

A

farm mechanization

58
Q

National Agri-fishery Mechanization Program is created under RA 10601 to do the following except:
a. Promote and support through the provision of research grants, credit, transparent and predictable regulation, the local
development and manufacture of agricultural and fisheries machinery by the private sector;
b. Unify, lead and support the efforts of various institutions in the research, design and development of agricultural and
fisheries machinery;
c. Strengthen support services such as credit faculties, research, training and extension programs, rural infrastructures,
postharvest facilities and marketing services
d. Establish quality, safety and performance standards for agricultural and fisheries machinery;
e. Support the establishment of quality, safety and performance testing centers for the certification of agricultural and
fisheries machinery in strategic localities in the country

A

c. Strengthen support services such as credit faculties, research, training and extension programs, rural infrastructures,
postharvest facilities and marketing services

59
Q

This refers to a detailed and comprehensive document that describes all technical procedures related to product development

A

technical specifications

60
Q

Which of the following is not part of the machine categories of PAES?
a. Production MAchinery
b. Irrigation Structures
c. Engineering MAterials
d. Farm-to-Market Roads
e. Postharvest Machinery

A

D. FMR

61
Q

The area with lowest level of mechanization level.

A

Kalinga

62
Q

Which of the following is a method for controlling weeds?
a. Cultivation by stirring the soil.
b. Use of flame and chemical.
c. Laying of plastic strips over the row.
d. All of the above
e. Both A and C

A

aota

63
Q

The standard for the Technical Means for Ensuring safety – Guidelines is

A

PNS/BAFS 330:2022

64
Q

Based on the PNS/BAFS for Knapsack Sprayer – Methods of Test, this test is carried out to evaluate the strength and
durability of the sprayer

A

pressure test

65
Q

Tractors with PTO power rating of 110-350kW at rated rotational frequency of engine ( determined by ISO 789-1) are
categorized (based on the categories of rear- mounted three- point linkage) as

A

4N/N

66
Q

The - ratio of the milling recovery from the test rice mill to that from the laboratory whitener

A

Total Milling Recovery Index

67
Q

A forage chopper that uses a feeding mechanism consisting of four or more feed rolls to partially orient and advance the crop
at a consistent rate into the cutting mechanism producing the shortest and most uniformly cut particles

A

precision-cut

68
Q

For safety purposes, slow-moving vehicles such as agricultural machines must be provided with ___.

A

identification emblem to guide motorists that the machine is slow moving

69
Q

This term refers to how frequent the motor is started and how long it will run each time it is started.

A

duty rating

70
Q

This represents the interrelationship between capacity, head, power, NPSH, and efficiency of the pump.

A

Pump Performance Curve

71
Q

Transmission efficiency is a function of:

a. belt tightness,
b. diameter and class of pulleys
c. type of belt
d. magnitude of power being transmitted.
e. All of the above

A

aota

72
Q

This acts as second speed reduction point in the power train

A

differential

73
Q

A detailed, precise diagram or plan that conveys information about how an object functions or constructed.

A

Engineering drawing

74
Q

The sorting of products into lots or units according to one or more of its attributes

A

grading

75
Q
A
75
Q
A
75
Q
A
76
Q
A

2. PRE-BOARD EXAM QUESTIONS (4 decks)

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