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PAES-Farm Mechanization & ALLIED SUBJECTS > Agricultural Power, Machinery, and Allied Subjects > Flashcards

Agricultural Power, Machinery, and Allied Subjects Flashcards

1
Q

A hand operated tractor which is suitable for
both primary and secondary tillage used when
field has been soaked for at least half a day to
soften the soil

A

Puddling-type floating tille

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2
Q

Optimum axle speed for puddling-type floating

tiller

A

250 rpm

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3
Q

It is the ratio of the drawbar power and the

wheel axle power.

A

Traction efficiency

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4
Q

The sum of all resistance acting on the tractor.

A

Running resistance

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5
Q

Running resistance of a tractor includes

A
  • rolling resistance
  • air and acceleration resistance
  • slope resistance
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6
Q

Weight transfer means

A

to shift implement’s weight to the tractor’s

drive wheel in order to improve traction

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7
Q

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

A

Automatic draft control in a modern farm

tractor

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8
Q

An international testing center for tractor

A

NEBRASKA

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9
Q

When a machine is driven directly from the
shaft of a power source, the power is
transmitted using

A

direct drive

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10
Q

Belt size designation for agricultural V-belt

A

HA, HB, HC, HD, HE

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11
Q

It is a gripping device between power source

A

Clutch

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12
Q

Machine element that transmit torque and

power.

A

Shaft

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13
Q

It is used to fasten shaft pulleys and hubs of

gears together.

A

Keys

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14
Q

used to transmit power between two
intersecting shafts usually when the angle
between them is variable

A

universal joint

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15
Q

An irrigation pump shall be driven by a single
cylinder engine. The set-up has the following
data: Engine rpm=2200, Pump rpm=1800,
Diameter of Engine Pulley=25 cm, what should
the diameter of the second pulley be?

A

30.55 cm

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16
Q

The length of a flat-belt pulley drive with the
following data is: Diameter of first pulley=300
mm, diameter of second pulley=400 mm,
center distance of the pulley shaft=10 meters

A

21.05 m

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17
Q

A corn sheller cylinder will be driven by 10 hp
diesel engine thru a V-belt drive. The engine
has a speed of 1800 rpm while the required
speed of the corn sheller is 650 rpm. The
effective diameter of the driver pulley is 12
inches. What should be the diameter of the driven pulley?

A

33 in.

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18
Q

A type of plow that is widely adapted in
breaking different types of soil for turning and
covering crop residues.

A

Moldboard plow

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19
Q

The power required in pulling an implement.

A

Drawbar power

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20
Q

A tillage equipment which displaces and
shatters soil, used to reduce soil strength and to
bury or mix plant materials and fertilizers in the
tilled layer.

A

Primary tillage equipment

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21
Q

A tillage implement consisting of two or four

gangs of concave disks.

A

Disk harrow

22
Q

A tillage implement which shatters the soil
without complete burial or mixing of surface
materials.

A

Chisel plow

23
Q

Mechanical manipulation of soil for any

purpose.

A

Tillage

24
Q

A procedure in which planting is made directly

into an essentially unprepared seedbed.

A

No-tillage planting

25
Q

The pushing or rolling of soil by a steeply

inclined blade

A

Bulldozing

26
Q

A secondary tillage operation which pulverizes,
smoothens, and packs the soil during seedbed
preparation and also controls weeds.

A

Harrowing

27
Q

A tillage and land forming operation using a
tool which splits the soil and turns two furrows
laterally in opposite directions, thereby
providing a ridge-and-furrow soil
configuration.

A

Listing

28
Q

Minimum soil manipulation necessary for crop
production or for meeting tillage requirements
under existing soil condition.

A

Minimum tillage

29
Q

A tool which cuts plants materials and soil

ahead of another tool.

A

Coulter

Jointer

30
Q

The force to propel an implement in the

direction of travel.

A

Draft

31
Q

The angle, in a vertical plane perpendicular to
the direction of travel, between a centralized
tool or reference axis and the soil surface.

A

Tilt angle

32
Q

It is deep chiselling below 16 in. for the
purpose of loosening soil for root growth
and/or water movement.

A

Ridging

33
Q

It is the part of the moldboard plow that
receives the furrow slice from the share and
turns to break, crush, and pulverize the soil.

A

Moldboard

34
Q

The part of the moldboard plow which is used

to cut the soil.

A

Share

35
Q

It is a part of the plow bottom which helps to
counteract the side pressure exerted by the
furrow slice.

A

Landside

36
Q

A type of implement which is directly attached
to the tractor and its power lift is dependent
upon the tractor engine for its general
operation.

A

Integral-mounted

37
Q

A type of implement type which is supported
by two or three wheels and is hitched to the
drawbar of the tractor where it is being pulled.

A

Trailing

38
Q

A type of plow which is equipped with plow
bodies which turns the furrow slice to one side
only.

A

One-way plow

39
Q

A type of plow which has two sets of bodies
mounted symmetrically on a shareframe which
can be rotated over 180 degrees along the
longitudinal axis.

A

Reversible plow

40
Q

The factors that affect the draft of the plow

A

Soil condition
Hitch to the tractor
Topography

41
Q

Percentage of work done in pulling an average

plow.

A

43%

42
Q

Percentage of work of plow used in turning

slice of soil.

A

34%

43
Q

A point in which all the horizontal and vertical

forces in the plow meets

A

Center of resistance

44
Q

Drawbar horsepower is a factor of

A

force exerted by plow

speed of plow

45
Q

A type of plow designed to reduce friction by
making a rolling bottom instead of sliding
along the furrow.

A

Disk plow

46
Q

A primary-tillage plow used for small rice

farm.

A

a. Moldboard
b. Rotary
c. Spiral

47
Q

A primary- tillage plow for rice farming that is
attached in replacement to the cage wheel of a
power tiller.

A

Spiral

48
Q

An angle of the disk plow in reference to the

vertical plane.

A

Tilt angle

49
Q

An angle of the disk plow in reference to the

direction of travel of the plow

A

Disk angle

50
Q

A plow that combines the primary and
secondary tillage at the same time. It is used to
cut and to pulverize the soil.

A

Rotary plow

PAES-Farm Mechanization & ALLIED SUBJECTS (2 decks)

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