| Post Name | Mechanic - Kerala Agro Machinery Corporation Ltd |
|---|---|
| Question Paper Code | 066/2022 |
| Category Code | 414/2019 |
| Date of Test | 6 June 2022 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which material is used for making a leg vice ?
Answer
B. Mild steel
2
Which one of the following is not the other name of Jenny Calliper ?
Answer
A. Bent Leg Calliper
3
Select the right statement/ statements about knife edge file ?
i. It has the cross section of a sharp triangle
ii. It is used for filing narrow grooves above 10 degree.
iii. It is available only in single cut
Answer
C. i & ii only
4
Which of the following is a direct angular measuring instrument ?
Answer
D. Bevel Protractor
5
Which one is not a factor in the specification of Hack saw blades ?
Answer
C. Type of setting
6
Identify the wrong statement from the following about Hand reamers ?
Answer
B. Shank has Morse taper
7
The natural abrasive used in the manufacture of grinding wheel is _______ ?
Answer
A. Emery
8
Which drilling machine is used for performing operations such as drilling, reaming and
tapping many holes in a specific unit at one time ?
Answer
C. Multi Spindle Head Drilling Machine
9
Identify the correct statement/statements from the following about counter sinking ?
i. It is used to deburr a hole after drilling.
ii. It is done to accommodate countersink rivet heads.
iii. A drilled hole can be enlarged by this process.
iv. It is helpful in chamfering the ends of a hole for thread cutting.
Answer
B. i, ii & iv Only
10
Each question is provided with four choices
Answer
C. and
11
In an outside micrometer the datum line and graduations are marked on _______ ?
Answer
B. Barrel
12
Which of the following statements are true about a Vernier Calliper ?
i. It is a precision measuring instrument.
ii. Fixed jaws of a Vernier Callipers are part of the Vernier slide.
iii. The main scale graduations are marked on the beam.
Answer
C. i & iii Only
13
Which instrument is used with Vernier height gauge to check the location of a hole ?
Answer
C. Dial indicator
14
Identify the correct statement/statements from the following about the advantages of
using gauges ?
i. Faster checking of product
ii. Less dependence on operator skill
iii. Economical when compared to measuring instruments
Answer
D. All the above (i, ii & iii)
066/2022 4 A
15
Which surface finishing operation is done on the opposite measuring faces of slip gauge
blocks to make it flat and parallel ?
Answer
B. Lapping
16
Pick out the wrong statement/statements about the purpose of holes drilled across the
body of a sine bar ?
i. Reduce weight
ii. Facilitate clamping on angle plate
iii. Insert round pin for measuring
Answer
C. iii Only
17
In the tolerance size, ‘20H7’, the number 7 denotes _______.
Answer
A. Grade of tolerance
18
Which key positions itself in the key way to accommodate the hub to have an easy
assembling ?
Answer
D. Woodruff Key
19
Name the rivet used in light assembly, where riveting is done by hammering ?
Answer
B. Conical head
20
_______ fixture is used for parts that require machining on evenly spaced surfaces ?
Answer
A. Indexing Fixture
21
Identify the wrong statement/ statements about the refractory material “Dinas Bricks” ?
i. They are made from ground quartz
ii. They are also called quartz bricks.
iii. They can withstand sudden temperature changes.
Answer
B. iii Only
22
Which of the following part of an anvil is used for bending and rounding operations ?
Answer
A. Beak
23
The forging operation in which, the length of a piece of metal is reduced and its cross
sectional area is increased is known as _______ ?
Answer
C. Upsetting
24
The cutting angle of a straight snip is ______ degree.
Answer
C. 87 Degree
25
Which stake is used for turning up flanges on sheet metal disc ?
Answer
A. Half moon stake
26
Pick out the correct statement/statements about the process of hemming in sheet metal
work ?
i. The edges are folded to 180 degree.
ii. It will make the edges sharp.
iii. The stiffness of the edges can be increased.
Answer
B. i & iii only
27
What is the gas storage capacity of oxygen cylinder in oxyacetylene welding ?
Answer
C. 7 m3
28
Which one of the gas flame combination used in gas welding has the lowest flame
temperature ?
Answer
D. Oxy-coal gas
29
Which of the following welding defect is the result of a very narrow edge preparation ?
Answer
C. Incomplete penetration
30
Which of the following non destructive testing method for testing welded joints is
suitable only for ferrous metals ?
Answer
B. Magnetic Test
31
In diesel cycle engine the combustion takes place at
Answer
C. Constant pressure
32
The dwell angle on a three cylinder engine compared to four-cylinder engine is
Answer
A. More
33
In a four stroke engine, in which of the following condition its stroke is increased ?
Answer
C. Crank throw increased
34
A four cylinder engine has a capacity of 2.8 Liters and its clearance volume in one
cylinder is 100 cm3, what is its compression ratio ?
Answer
B. 8:l
35
The fluctuation of engine speed during cycle of operation depends upon
Answer
D. Mass of fly wheel
36
The distance between axis of the piston pin and the top of the piston crown is called
Answer
B. Compression height
37
Which of the following is NOT a type of piston pin fastening method
Answer
C. Three quarter floating
38
The piston skirt clearance at room temperature is about
Answer
D. 0.04 mm
39
The cross sectional area of one cylinder of an engine is multiplied by its stroke is known
as
Answer
D. All of these
40
The maximum permissible ovality in an engine cylinder is usually
Answer
B. 0.01 mm
41
What is the use of bourdon gauge ?
Answer
B. To measure pressure
42
Which of the following chemical substance are added to lubricating oil as anti-forming
additives ?
Answer
C. Polyorganosiloxanes
43
The bellows type thermostat valve fitted in cooling system is filled with ______.
Answer
D. Ethyl
44
Which of the following is NOT an example of anti freeze agent used in engine coolant ?
Answer
Question Cancelled
45
The maximum permissible resistance to flow in an engine oil filter is about _________.
Answer
C. 2 bars
46
The vacuum valve inside the radiator pressure cap is usually set to operate when the
vacuum exceeds about
Answer
Question Cancelled
47
When two metallic surfaces move over each other under direct contact the friction
produced is called
Answer
D. Solid friction
48
The minimum temperature at which oil gives off sufficient vapour to form combustible
mixture with air is known as
Answer
A. Flash point
49
Which lubrication system uses a separate oil tank ?
Answer
D. Dry sump lubrication
50
Which of the following is NOT a component of an air intake system ?
Answer
B. Air Compressor
51
In emission control technique EGR system controls which emission ?
Answer
A. Nitrous oxide
52
The measurement of fuel delivered by each plunger with the control rod in a fixed
position and its comparison is called _______.
Answer
B. Calibration
53
The opening pressure of hole type nozzles varies from
Answer
C. 17-34 MPa
54
Which type nozzle has an advantage of preventing deposit of carbon in the spray hole ?
Answer
D. Pintle type
55
How much maximum pressure is developed by high pressure diesel pump in CRDI
engine ?
Answer
A. 2000 Kg/cm2
56
In a diesel engine the duration between the time of injection and time of ignition is called
________
Answer
C. Delay period
57
How many fuel chambers are in HEUI ?
Answer
B. Two
58
Which type of exhaust emission control requires Diesel exhaust fluid ?
Answer
D. SCR
59
How do we achieve near zero emission diesel engines ?
Answer
B. Combo of EGR and SCR
60
In three way catalytic converter which acts as reduction catalyst for NOx reduction ?
Answer
C. Rhodium
61
Clutch plate is located in between _______.
Answer
C. Flywheel and Pressure plate
62
On which system the slave cylinder is installed ?
Answer
C. Clutch operation
63
Which type of synchroniser unit is mostly used to engage the IV gear from III and vice
versa ?
Answer
B. Baulk ring type
64
On which device the lock up clutch mechanism is installed ?
Answer
C. Torque converter
65
______ of dual mass fly wheel isolate the fly wheel mass system of the engine.
Answer
B. Vibration damper
66
In a Hotchkiss drive, the rear end driving torque is taken up by
Answer
C. Rear leaf spring
67
In a Differential unit, which part does not revolve when the vehicle is in straight drive ?
Answer
A. Planetery gear
68
Which rear axle shaft support makes it possible to take off the axle shaft without
removing the wheels ?
Answer
B. Full floating axle
69
Hooke’s joint uses _______ bearing to support the cross in the yoke.
Answer
C. Needle
70
In a Torque converter, torque multiplication is achieved by __________.
Answer
B. Stator
71
The weight of vehicle components between the suspension and the road surface is called
__________
Answer
A. Unsprung weight
72
The purpose of Shackle in a Suspension system is to __________.
Answer
D. Allow spring length to change
73
The tilt of the front wheel from the vertical is called __________.
Answer
B. Camber angle
74
Which type of steering gear is used in Maruti 800 cars ?
Answer
C. Rack and Pinion type
75
The ratio of Tyre section height and Tyre section width is known as __________.
Answer
D. Aspect ratio
A 11 066/2022
76
The bead of the tyre rest on the __________.
Answer
B. Wheel Rim
77
On releasing the disc brake, which part act as a return spring and retracts the piston and
the friction pads away from the disc ?
Answer
C. Rubber Sealing ring
78
The purpose of brake proportioning valves in the braking system is __________.
Answer
D. Provide balanced braking
79
In Air brake system, the brake pedal is connected to __________.
Answer
B. Brake valve
80
Which type of wheel cylinder helps to apply different pressure on each brake shoe ?
Answer
C. Double Piston with step bore
81
__________ is the protective device layer over the insulated cable.
Answer
D. Shielding
82
The ability to store energy in the form of electric charge is called __________.
Answer
A. Capacitance
83
In fully charged condition, the active material of positive plate in a lead acid battery is
__________
Answer
C. Lead peroxide
84
__________ is a device used to perform a specific gravity test.
Answer
B. Hydrometer
85
How many windings are provided in a solenoid switch ?
Answer
A. 2
86
Which device is used to maintain the constant voltage in an Alternator charging circuit ?
Answer
C. Voltage regulator
87
Which device is used with slip rings and brushes ?
Answer
A. Alternator
88
Which bearing is mounted on the brush end housing of the Alternator ?
Answer
Question Cancelled
89
If starter spins, but does not engage flywheel, what is the reason for this trouble ?
Answer
C. Bendix pinion stuck on armature shaft
90
Which is the internal short circuit checking device of the Armature ?
Answer
D. Growler
A 13 066/2022
91
The operation performed to open up any land with a view to prepare seed bed for
growing crops is known as ________.
Answer
B. Primary tillage
92
Which part of mould board plough invert the furrow slice to cover threshes ?
Answer
D. Plough bottom
93
What is the purpose of hammer mill ?
Answer
D. Reduce the size of soiled materials
94
Which of the following agriculture implement used for preparing seed bed in a single
pass both in dry and wet land conditions ?
Answer
C. Rotavator
95
Which agriculture implement combines stubble mulching and seed drilling into one
machine ?
Answer
B. Happy seeder
96
Which tilling method can be applied to irregular field ?
Answer
A. Circular travel tilling method
97
The sprayers operated by IC engines or electric motors are called as ______.
Answer
B. Power sprayer
98
What are the two adjustments for proper functioning of reaper ?
Answer
D. Registration & alignment
99
In combine harvester, the straw walkers are mounted on ______.
Answer
B. Crankshaft
100
What is the function of auger in the cutting system of combine harvester ?
Answer
A. Pull the cut crop to the middle of through
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