| Post Name | Junior Instructor Mechanical Agricultural Machinery (SR for ST only) - Industrial Training |
|---|---|
| Question Paper Code | 154/2023/OL |
| Category Code | 506/2022 |
| Date of Test | 30 September 2023 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Fire extinguisher can be used with ļ¬re on electrical equipment.
Answer
A. Halon extinguishers
2
In which class of ļ¬re includes "Fire on electrical equipment?
Answer
D. Class D ļ¬re
3
In ABC of ļ¬rst aid, 'B' stands for
Answer
D. Breathing
4
Choose the correct statement regarding ECOs.
Answer
A. 'Avoiding careless waste' belongs to minor ECOs
5
Which one of the following is NOT a marking material?
Answer
B. Lead sulphate
6
Reading accuracy of engineer's steel rule.
Answer
A. 0.5 mm
7
Choose the correct statement regarding clearance angle of chisel.
Answer
C. The angle between the bottom face of the point and tangent to the work- surface
8
Which hammer is used to spread metal in one direction at right angles to the line of striking?
Answer
A. Straight pein hammer
9
Ratio between length and jaw width of a double end spanner.
Answer
B. 10:1
10
Distance moved by the spindle with one revolution of a thimble in micrometer.
Answer
B. 0.5 mm
11
How many blades are in the universal feeler gauge?
Answer
D. 25
12
Which material is used making for straight edge?
Answer
B. Grey cast iron
13
Which is the indirect measuring tool?
Answer
D. Telescopic gauge
14
The distance between adjacent teeth of hack saw blade is known as
Answer
B. Pitch
15
Which type of nut has an internal groove cut in which a ļ¬ber or nylon ring is inserted?
Answer
D. Self locking nut
16
In single cut ļ¬le, what is the angle of teeth to center line?
Answer
C. 60Ā°
17
Which type of washers have made with serrations, cut and twisted?
Answer
D. Toothed lock washer
18
Which law states that the pressure of a liquid is transmitted equally in all directions?
Answer
B. Pascal's law
19
Which action of liquid penetrant testing, the liquid penetrant dye seeps into the defects of material?
Answer
B. Capillary
20
How many ports have a 4/2 directional control hydraulic valve?
Answer
A. Four
21
What is meant by FRL unit in pneumatic system?
Answer
C. Filter regulator lubricator
22
Which tool is mainly used to make external threading of a cylindrical component?
Answer
D. Die
23
Which part of a drill bit is mainly using to determine its diameter?
Answer
D. Land
24
Which tool is used for chasing or reconditioning the damaged threads and it is not used for cutting new threads?
Answer
A. Die nut
25
Which vice is used for holding small diameter jobs, having a small collect chuck at one end and it carries a set of jaws which are operated by turning the handle?
Answer
B. pin vice
26
What is the name of an amber coloured substance of non-corrosive soldering ļ¬ux extracted from pine tree sap?
Answer
A. Resin
27
What is the other name of sheet metal seam called pittsburgh seam?
Answer
C. Hammer lock seam
28
What is the shearing operation of a power press that circular holes are punched in a regular pattern or evenly spaced?
Answer
D. Perforating
29
What is the name of black iron sheet which is coated with lead on it?
Answer
C. Terne sheet
30
Where does electro-static shielding occur in a charged spherical shell?
Answer
D. Electrical ļ¬eld inside spherical shell is zero
31
Which of the following circuit cannot be analysed using Ohm's law?
Answer
B. Unilateral
32
Super position theorem is applicable for
Answer
A. Linear bilateral network
33
Which type of meter is used to test the polarity of battery?
Answer
C. Moving coil voltmeter
34
An example of non ohmic resistance is
Answer
B. Diode
35
In which material if the temperature is increased then the resistance will decreased?
Answer
B. Carbon
36
The SI unit of quantity of electricity is
Answer
C. Coulomb
37
For the same rating which capacitor is physically smaller
Answer
A. Ceramic capacitor
38
Two resistors are said to be connected in series when
Answer
D. Same current passes in turn through both
39
The energy in a lead acid battery is stored in the form of
Answer
B. Chemical energy
40
Both the inductance and resistance of a coil are doubled the value of
Answer
D. Time constant remains unchanged
41
The phase diļ¬erence between the primary and secondary voltage of a transformer is
Answer
C. 180 degree
42
Choose the correct relation
Answer
C. Potential = charge/capacity
43
Which is the advanced version of power electronic component used in the output stage in drives?
Answer
C. SCR
44
Why most of semi-conductor devices are made by silicon compared to Germanium?
Answer
A. High barrier voltage
45
Which type of biasing is required to an npn transistor for ampliļ¬cation?
Answer
C. Base positive, emitter negative and collector positive
46
Which of the following logic gates gives high output with all its input low
Answer
C. NOR
47
The portion of weld joint that is melted by the heat of welding is called
Answer
B. Puddle
48
The adding of iron powder to the electrode coating causes an increase in
Answer
B. Metal deposition rate
49
Which of the following is a batch furnance?
Answer
C. Pit furnance
50
In reverse polarity
Answer
B. Less weld penetration
51
Pre-ignition is caused by the burning of the fuel in the combustion chamber before the piston has reached the top dead centre, and is due to
Answer
D. Any of the mentioned above
52
Theoretically correct air fuel mixture in a spark ignition engine
Answer
B. 15:1
53
The process of breaking up of a liquid into ļ¬ne droplets by spraying is called
Answer
C. Atomization
54
Which engine can be operated both in clock-wise and counter clock- wise direction?
Answer
A. Two stroke engine
55
The ignition quality of diesel fuel is indicated by
Answer
C. Cetane number
56
The function of the compression ring is that it
Answer
D. Maintains a seal and prevents escape of burned gases from the combustion chamber to sump
57
A cylinder block is normally made of
Answer
C. Cast iron
58
In a four stroke diesel engine, the inlet valve
Answer
B. Opens at 10Ā° before T.D.C and closes at 35Ā° after B.D.C.
59
The oil pump used in the lubricating system of engine
Answer
D. Any one of the above
60
The most common ļ¬ring order in a straight six cylinder engine
Answer
A. 1-5-3-6-2-4
61
Clutch works on principle of
Answer
C. Friction
62
The speciļ¬c fuel consumption of diesel engine is
Answer
B. 200 gm/bhp/hr
63
Toe-in provide in tractor is approximately
Answer
A. 4-8 mm
64
Hydraulic brake works on the principle of
Answer
B. Pascal's law
65
A power tiller operates most satisfactory with
Answer
D. Rotary tillage tool
66
Weight transfer in a tractor implement system is caused by
Answer
A. Application of pull
67
An implement that fully supported by the tractor is
Answer
B. Mounted implement
68
The capacity of a battery is usually expressed in terms of
Answer
D. Ampere hours
69
Relative movement of the wheel in direction of travel for given distance under load and no load condition is
Answer
C. Wheel slip
70
The parking brakes employed in vehicles are operated
Answer
A. Mechanically
71
_________ is preferred to make MB plough shares as it can be forged
Answer
C. High carbon steel
72
When a plough works around a strip of ploughed land, the method of ploughing is
Answer
A. Gathering
73
Which of the following factors aļ¬ect the draft of a disc plough? (i) Speed of operation and soil moisture (ii) Diameter of disc and disc concavity (iii) Disc angle and tilt angle
Answer
D. All of the above (i), (ii) and (iii)
74
A __________ is used for deep ploughing and breaking hard pan at depth of 50 cm or more.
Answer
B. Sub soiler
75
Which of the following statement/(s) is true regarding a tractor operated rotovator? (i) Rotovator combines primary and secondary tillage in one operation (ii) Rotovator provides negative draft
Answer
C. Both (i) and (ii)
76
The tilt angle of a vertical disc plough is
Answer
C. 0 degree
77
Which of the following aļ¬ect the penetration of a disc harrow in the ļ¬eld? (i) Lowering hitch point (ii) Increasing gang angle (iii) Using smaller diameter discs with lesser concavity (iv) Decreasing gang angle
Answer
A. (i), (ii) and (iii)
78
_______ is the ļ¬anged tube mounted on gang bolt between every two discs of the disc harrows to prevent their lateral movement
Answer
B. Spool
79
The commonly made adjustments on cultivator shovels are
Answer
D. All of the above
80
Vertical suction of an MBP is
Answer
A. 3 to 5 mm
81
Chemical treatment using _________ removes the organic and physical materials that clog the emitters in a drip irrigation system
Answer
B. Chlorine
82
Controlling an existing or potential high water table or artesian groundwater condition using shallow or deep tube wells or open wells is called __________ drainage
Answer
C. Vertical
83
Centrifugal pump is a type of __________ pump
Answer
B. Rotodynamic
84
_________ starter is used in high rating 3 phase motors
Answer
D. Star-Delta
85
Threshing can be accomplished by
Answer
D. All of the above
86
The ________ type forage harvesters use free swinging chains, hammers or knives to cut the crop
Answer
A. Flail
87
Find the capacity of a ļ¬eld chopper with throat size 20 cm Ć 5 cm operating at 50 rpm. The cutter head has two knives with length of cut 3 cm. The bulk density of the material is 500 kg/m3 and the ļ¬eld eļ¬ciency of the chopper is 80%
Answer
D. 720 kg/h
88
The free threshed grain carried over the rack in the straw and discharged from the combine harvester is called
Answer
B. Rack loss
89
The lead adjustment provided to the outer end of the cutter bar, when the mower is not in operation is
Answer
B. 2 cm per meter of cutter bar
90
The distance of throw of water from a sprinkler depends on (i) Operating pressure (ii) Size and shape of nozzle (iii) Angle of nozzle
Answer
D. All of the above (i), (ii) and (iii)
91
______ separator is used based on the diļ¬erence in aerodynamic properties of various constituents of mixture
Answer
C. Pneumatic separator
92
________ refers to the classiļ¬cation of cleaned products in to various quality fractions
Answer
B. Grading
93
_________ is a machinery used for squeezing or pressing the material unit it breaks
Answer
A. Crusher
94
Hammer mill works under the force of
Answer
D. Impact
95
________ are used for lifting vertically between two pulleys to more than 50 m
Answer
A. Bucket elevator
96
Modern facilities for storing the grains is
Answer
B. Silo
97
EMC gives an idea about
Answer
D. Whether the material will loose or gain the moisture at a particular set of atmospheric conditions
98
_________ method of drying is based on the sublimation of frozen moisture from wet product (i) Fluidized bed (ii) Spray drying (iii) Freeze drying (iv) Vacuum drying
Answer
D. Only (iii)
99
_______ is used for fumigating grain in tall sealed silos (i) Chlorine (ii) Phosphine (iii) Carbon dioxide
Answer
B. Only (ii)
100
Accuracy of the moisture content determination is obtained from (i) Direct method (ii) Indirect method (iii) Chemical method
Answer
A. Only (i)
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