| Post Name | JUNIOR INSTRUCTOR (MECHANIC AGRICULTURE MACHINERY)- INDUSTRIAL TRAINING |
|---|---|
| Question Paper Code | 006/2020 |
| Date of Test | 24 January 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The best way of avoiding accident is by
Answer
C. observing safety rules related to job, machine and work piece
2
Fire is a combination of
Answer
D. fuel, heat and oxygen
3
Which of the following is not the part of a combination set ?
Answer
A. stock
4
The length of the hammer handle for a 500 gm hammer should be about
Answer
D. 325 mm
5
The jaw plates of a bench vice are made of
Answer
A. Tool steel
6
A depth micrometer can be used to measure wide range of sizes because
Answer
C. it is equipped with a number of extension rods
7
cyaniding and nitriding are two methods of ________.
Answer
B. case hardening
8
What is determined while measuring a component ?
Answer
B. Actual size
9
Ratchet stop in the micrometer helps to
Answer
D. control the pressure
10
The drill sleeves or sockets are available with morse taper and their number range M T-1
to M T-6 which one of the following drill sizes refers to M T-4 ?
Answer
C. drills above 31.75 mm up to 50.50 mm
11
Both edges of flat bastard file have
Answer
C. single cut teeth
12
The distance a drill advances into the job in one complete revolution is known as
Answer
D. feed
13
Pure semi conductors are known as ________.
Answer
D. intrinsic
14
A given component cracked after heat treatment. What can be the possible reason ?
Answer
D. It was suddenly cooled in brine _________.
15
Kirchhoff’s law is not applicable to
Answer
A. distributed parameters
16
Which of the following inductor will have the least eddy current loss ?
Answer
B. air core
17
MCCB stands for
Answer
C. Moulded Case Circuit Breaker
18
A delay fuse is used for the protection of
Answer
A. 3 phase motor
19
Basic gates are
Answer
A. AND, OR, NOT
20
A dye penetration test is done to find ________.
Answer
B. cracks
21
The arc in electric arc welding is a discharge of ________.
Answer
B. low voltage & high current
22
To measure the thickness of sheet ________ is used
Answer
A. SWG
23
Which one is example of plastic welding ?
Answer
B. forge welding
24
Which system as per Indian standard in fits and limit permit shaft size constant and hole
size variable ?
Answer
B. Shaft basis system
25
While installing new piston rings, the ring end gap is tested after placing the ring in
Answer
C. Cylinder bore
26
In semi floating piston pin –
Answer
A. Pin free to move in boss and locked with connecting rod
27
In turbo charged system, an inter cooler is provided to
Answer
C. Cool the intake gas
28
In modern common rail injection system, the common rail stores the diesel fuel with high
pressure around
Answer
C. 1500 bar
29
A catalytic convertor in the emission control system
Answer
B. Convert the toxic gases to non-toxic
30
The mechanical power of a tractor can use to drive an air compressor. The drive is taken
out from
Answer
A. PTO shaft
31
The rear wheel track of a tractor can be adjusted by
Answer
D. Altering the position of wheel disc
32
Differential lock is the mechanism provided to lock
Answer
A. The axle halves each other
33
The defect occurred in the hydraulic brake system when air trapped in the fluid lines
Answer
B. Spongy brake
34
The backward tilt of king pin to the vertical is called
Answer
C. Caster angle
35
In the air brake system, the brake can be adjusted at
Answer
D. Slack adjuster
36
In the disc of a friction clutch, the torsional vibration is absorbed by a series of heavy
Answer
B. Coil springs
37
The purpose of the caster angle on an automobile is to
Answer
D. Maintain directional control
38
The diameter of crank shaft main bearing shell is always more than the diameter of its
parent bore and is called
Answer
A. Spread
39
Why the bunds are formed using bund former in the irrigated land ?
Answer
D. To plant or sow seeds
40
An engine cylinder with swept volume of 100 cm 3 and clearance volume of 10 cm3. The
compression ratio is
Answer
B. 11 : 1
41
Engine displacement is measured in
Answer
C. Cubic centimetre
42
Steering clutches are employed for which type of machinery ?
Answer
C. Two wheeled tractor
43
The lubricating oil pressure of engine is adjusted at
Answer
D. Pressure relief valve
44
While making a compression test, the purpose of squirting a small amount of engine oil
through the spark plug hole is to
Answer
B. See whether compression pressure increases
45
Irregular missing in different cylinders may result from
Answer
B. Defective carburetor
46
A light double knock during idle can result from
Answer
D. Loose or worn piston pin
47
The advantage of engine with hydraulic valve lifter is
Answer
A. Valve clearance adjustment is not required
48
The bottom hose of radiator will collapse in due to
Answer
A. Lack of coolant
49
The process of separating quality grain from chaff is called
Answer
B. Winnowing
50
A ________ implement can be quickly attached to or detached from a tractor.
Answer
C. Trailed implement
51
The long wooden piece connecting main body of an indigenous plough to its yoke is
called
Answer
D. Beam
52
The method of planting in which the row to row and plant to plant distances are equal
and uniform is known as
Answer
B. Check row planting
53
An indigenous plough cuts the soil in a ________ section.
Answer
A. Trapezoidal
54
________and ________ are the main adjustments of the cutter bar of a mower.
Answer
D. Registration and alignment
55
A ________ type mould board works in light sticky soils.
Answer
B. Slat
56
The attachment in mould board ploughs that is used to cut trash and prevent clogging is
Answer
A. Coulter
57
________ ploughs are preferred in areas with dry climate and rough and stony soils.
Answer
C. Disc plough
58
The method of ploughing where the second furrow is made adjacent to the first one and
so on is called
Answer
D. Centre to side ploughing
59
In a disc plough, penetration can be increased by (I) Increasing disc angle, (II) Increasing
tilt angle, (III) Adding weights. State which is true.
Answer
C. (I), (II) and (III)
60
In tractor operated mould board plough, depth adjustment is done on
Answer
B. Rear furrow wheel
61
Tandem disc harrows have ________ gangs.
Answer
C. Four
62
Disc spacing in a disc harrow is
Answer
B. 15 – 25 cm
63
The adjustments made on cultivator shovels are (I) setting for proper row width
(II) setting for depth or levelling (III) turning shovel on type to throw required soil
Answer
D. (I), (II) and (III)
64
The subsoiler ploughs up to a depth of
Answer
C. 60 – 70 cm
65
The angle at which the cutting blade of a chisel plough enters the soil is
Answer
A. 40 degrees
66
Fluted roller metering mechanism is suitable for
Answer
C. Bulk metering
67
________ are provided in seed drills to help in placing seeds at uniform and desired
depth and spacing
Answer
B. Furrow openers
68
Mould board is generally made of
Answer
B. High carbon steel
69
Checking the application rate and pattern of dispersal of agricultural materials by a
machine is called
Answer
C. Calibration
70
Weight per disc of a tractor drawn disc plough ranges from
Answer
A. 180 – 540 kg
71
FarmTrac is the brand name of tractor manufactured by
Answer
A. Escorts Ltd.
72
In a tubular maize sheller, separation occurs due to
Answer
B. Shear
73
An acceptable uniformity coefficient for sprinkler irrigation is ________ %.
Answer
D. More than 85
74
As per Indian Standards, the Test Code for power tillers is
Answer
A. IS : 9935
75
________ is a precision levelling equipment for fine levelling of agricultural fields with
desired slope.
Answer
B. Laser guided leveler
76
Which of the following is a selective herbicide ?
Answer
C. 2, 4 – D
77
The raised ridge left at the centre of the strip of land, when ploughing is done from centre
to side is called
Answer
B. Back furrow
78
The percentage of unthreshed grains from all outlets with respect to the total grain input
in a thresher by weight is called
Answer
A. Cylinder loss
79
ER90/KMB200 is a model of
Answer
B. Power tiller
80
The vertical suction of a walking type mould board plough is
Answer
A. 3 – 5 mm
81
__________ type of pumps are used in sprayers to develop the required pressure.
Answer
A. Positive displacement
82
The point at which the resultant of all the horizontal and vertical forces act in a tractor
operated plough is
Answer
C. Centre of resistance
83
__________ is mostly used in power tillers
Answer
A. Dog clutch
84
The power requirement of a self-propelled combine harvester is
Answer
C. 12 hp per metre width of cut
85
The dimensional homogeneity coefficient of a spray is given by the ratio
Answer
C. VMD/NMD
86
The angle made by the cutter bar to the direction of motion in a mower is
Answer
B. 88°
87
Spray nozzle flow rate is a function of
Answer
D. All of these
88
The volume of spray in low volume sprayers ranges from
Answer
B. 5 – 400 I/ha
89
In a laser leveler the received signal is converted to cut and fill adjustments of the scraper
automatically by a
Answer
A. Two way hydraulic valve
90
The commonly used metering mechanism in potato planters is
Answer
B. Picker wheel
91
__________ is the ratio of peripheral velocity to speed of travel in a combine harvester.
Answer
A. Reel index
92
The type of cultivator in which the tynes are lifted when they hit an obstacle is
Answer
B. Spring tyne cultivator
93
A manually operated sprayer that is also used for spraying in orchards and plantation
crops is
Answer
C. Rocker sprayer
94
The number of cutting blades in a manually operated flywheel type chaff cutter is
Answer
C. 2
95
The process of detaching grains from earheads is known as
Answer
D. None of these
96
The portion of the pump casing through which pump shaft extends, with a seal to prevent
leakage is called
Answer
B. Stuffing box
97
________ is usecd to provide spacing between discs of a disc harrow.
Answer
B. Spool
98
Operating pressure of a hand operated sprayer is
Answer
A. 1 – 7 kg/cm2
99
The _________ of a disc plough affects the pulverization and throw of furrow slice.
Answer
B. Tilt angle
100
The part of a mould board plough that supports the plough bottom against the furrow
wall is
Answer
C. Gunnel of share
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