| Post Name | Pump Operator - Ground Water |
|---|---|
| Question Paper Code | 070/2024 |
| Category Code | 005/2023 |
| Date of Test | 14 June 2024 |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which of the following statement is/are correct about scriber ?
i. It is made of high carbon steel and is hardened.
ii. The point should be ground and honed frequently for maintaining its
sharpness.
iii. Bend point is used to drawing circles on the surface.
Answer
B. Only i and ii
2
Which of the following statement is/are correct about first aid for burn ?
i. Use creams or ointments immediately if the burn is second degree.
ii. If the burn is third degree, should be covered with a damp cloth.
iii. Immersing or flushing with cool water if the burn is first degree.
Answer
A. Only ii and iii
3
Which of the following statement is/are not correct about a ball pein hammer ?
i. The wedges fix the handle in the ‘eye hole’.
ii. The weight of the hammer is stamped on face.
iii. Hammer is made of drop-forged carbon steel.
Answer
B. Only ii
4
diamond point chisels is used to
Answer
C. Squaring materials at the corners
5
As per Indian standard, kitchen fires (fire involve combustible cooking media such
as vegetable or animal oils and fats) are categorised under
Answer
C. Class F
6
Which of the following statement is/are not correct about Jenny caliper ?
i. It is used for marking lines parallel to the inside and outside edges.
ii. Another name of this caliper is leg and point calipers.
iii. Jenny caliper is used drawing circles on the work.
Answer
D. Only iii
7
Which metal is used to make steel rule ?
Answer
D. Stainless steel
8
Which of the following statement is/are correct about file ?
i. Heel is curved part of file separating tang from the body.
ii. Ferrule is a protective metal ring to prevent cracking of the handle.
iii. Shoulder is thin part of the file with a single row of parallel teeth.
Answer
C. Only ii
9
Which special file is used for die-sinking work ?
Answer
A. Riffler file
10
Find the exact drill size for tapping m10 × 1.5 thread.
Answer
A. 8.16 mm
11
The accuracy of measurement by a try square is about
Answer
C. 0.002 mm per 10 mm length
12
Which of the following statement is/are correct about drilling machine ?
i. When the size of drill taper shank is bigger than machine spindle, taper
sockets are used.
ii. When the size of drill taper shank is smaller than machine spindle, sleeves are
used.
iii. Sleeves and sockets are made with morse taper.
Answer
D. All of the above i, ii and iii
13
Which of the following statement is/are not correct about straight edge ?
i. It is used to mark straight lines on a metal surface.
ii. It can be used to check 90 degree angles.
iii. It can be used to check 45 degree angles.
Answer
A. Only ii and iii
14
Find the blank size for cutting the external thread of m12 with 1.75 mm pitch.
Answer
C. 11.80 mm
15
Which type of fasteners is used to positioning and holding collars in place, on shafts ?
Answer
B. Set screws
16
Which of the following statement is/are correct in case of tap ?
i. The taper tap is used to start the thread.
ii. The bottoming tap is used to finish the threads of a blind hole.
iii. Another name of second tap is ‘plug tap’.
Answer
B. Only i and ii
17
Which of the following statement is/are correct about outside micrometer ?
i. It is used to measure a job, generally within an accuracy of 0.01 mm.
ii. The datum line and graduations are marked on the barel.
iii. The threaded mechanism allows for the forward and backward movement of
the spindle.
Answer
D. All of the above i, ii and iii
18
Which gauge is used to compare the profile of thread ?
Answer
B. Screw pitch gauge
19
What is the minimum dimension can measure with telescopic gauge ?
Answer
A. 8.0 mm
20
How the wide range of depth can be measured by depth micrometer ?
Answer
D. Equipped with a set of extension rods
21
An Otto cycle consists of
Answer
B. two adiabatic and two constant volume lines
22
What is the working cycle of compression ignition engine ?
Answer
A. diesel cycle
23
For a given engine if we double the cylinder diameter the power output will be
Answer
D. increase four times than before
24
What is the volume of the space above the piston at TdC ?
Answer
C. Clearance volume
25
The two firing orders used on four cylinder in-line engines are
Answer
C. 1-2-4-3 and 1-3-4-2
26
In a diesel cycle combustion takes place at
Answer
B. Constant pressure
27
In a four stroke cycle engine during valve overlap
Answer
D. both valves are open
28
Exhaust valves are opened at a definite degree before BDC in engine valve timing.
This is called
Answer
B. lead
29
Engines with stroke/bore ratio is less than 1 are called _________ engines.
Answer
A. oversquare
30
For the same power output under similar conditions, a diesel engine will have to
have a cylinder capacity at least ___________ % greater than the equivalent petrol
engine.
Answer
D. 20
31
In a six-cylinder inline engine there is a power impulse in every _________ degree
of crankshaft rotation.
Answer
B. 120
32
What is the effect of tapper and ovality of a bore ?
Answer
B. Compression loss
33
All of these statements about engine oil pumps are true except
Answer
D. A calibrated spring holds the oil pressure relief valve open
34
Which valve is maintaining in the high pressure FIP pipe line ?
Answer
D. delivery valve
35
At the top of the cylinders, if the coolant circulation passages ends just below the
block’s machined joint face it is then called
Answer
A. Closed deck
36
The pressure of gas in a container goes up when the gas is heated and goes down
when the gas is cooled. This fact is used in
Answer
C. Sterling Engine
37
The term __________ means the rapid removal of irregularities of new compression
rings.
Answer
D. Wear-in
38
Usually Camshaft is made off
Answer
B. Forged alloy steel
39
What is the type of hardening done on crankshaft ?
Answer
C. Induction hardening
40
The function of _________ is to form a guide suitable for absorbing side thrust due
to gas pressure in an engine.
Answer
A. Piston skirt
41
In air cooling system the heat dissipation not depend which of the following factor ?
Answer
C. Colour of fins around the cylinder
42
Which type of thermostat valve is also known as Aneroid type thermostat ?
Answer
A. Bellows type
43
What is the probable cause of engine over heating ?
Answer
B. loose fan belt
44
Which of the following is a commonly used corrosion inhibitor in engine coolant ?
Answer
D. Silicates
45
In which type of engine, Keel cooling system is generally used ?
Answer
C. marine engines
46
In which types of oil filtering system all the oil passes through a filter before
reaching oil gallery and provide a bypass valve ?
Answer
B. Full flow oil filtering system
47
Which value of lubricant is determined by conducting the cold test ?
Answer
A. Pour point
48
In petroil lubrication system, what is the ratio of petrol and lube oil mixture
generally used ?
Answer
B. 20 : 1
49
The minimum temperature at which oil gives off sufficient vapour to form
combustible mixture with air is known as
Answer
A. Flash point
50
The API has provided service classification for lubricating oil, which of the
following is a service rating for diesel engine oils ?
Answer
D. CB
51
Which fuel pipe line is provided in between FIP and injectors ?
Answer
C. Pressure pipe
52
Which part of the FIP helps to maintaining the pressure in the high pressure pipe
line ?
Answer
B. delivery valve
53
Which type of diesel injector nozzle produces a hollow cone shaped spray ?
Answer
C. Pintle type nozzle
54
In which type of combustion chamber design, used an auxiliary chamber nearly
spherical in shape, which occurs almost full charge at the end of compression ?
Answer
D. Turbulence chamber
55
The most accurate petrol fuel injection system is
Answer
A. Port injection
56
Which of the following statement is true about Glow plug ?
Answer
C. Screwed into the combustion chamber
57
Which of the sensor helps to find engine temperature and send information to ECM ?
Answer
A. ECT sensor
58
Which of the following is considering as an actuator used in electronic diesel
control system ?
Answer
D. All of these
59
Which fuel system develops the high diesel pressure by using hydraulic energy
from lubrication oil ?
Answer
C. HEUI fuel system
60
The Electronic Diesel Control (EDC) system consists of various sensors, which of
the sensor fails, engine does not start ?
Answer
B. CKP sensor
61
According to valve timing diagram, in actual practice
i. Inlet valve opens at T.d.C.
ii. Inlet valve opens before T.d.C.
iii. Exhaust valve closes after T.d.C.
iv. Exhaust valve closes at T.d.C.
Answer
D. Only ii and iii
62
Which of the following is/are changed in a VVT technology ?
i. Valve lift
ii. duration of valve opening or closing
iii. Valve timing
iv. Valve rotation
Answer
C. Only i, ii and iii
63
materials used for inlet and exhaust valves are
i. Silico-chrome steels are used for inlet valves.
ii. Nimonic alloys are used for inlet valves.
iii. Nimonic alloys are used for exhaust valves.
iv. Silico-chrome steels are used for exhaust valves.
Answer
C. Only i and iii
64
Which one of the following mufflers reducing the noise to zero, theoretically ?
Answer
C. Wave cancellation type muffler
65
What is the purpose of a mAP sensor in a turbo charged engine ?
Answer
A. monitor turbo boost pressure
66
What is ‘soot’ of an engine emission control system ?
Answer
D. Unburnt carbon
67
Which one of the following methods not used to reduce the formation of pollutants ?
Answer
D. Increasing compression ratio
68
The purpose of the heat control valve in some exhaust manifolds is to
Answer
D. All of the above
69
Technician A says the valve rotates slightly as it closes.
Technician B says the valve rotates slightly as it opens.
Answer
Question Cancelled
70
Which part of the vehicle’s emission control system is responsible for injecting AdBlue ?
Answer
B. SCR catalyst
71
All the following are true except
Answer
B. Hydraulic valve lifters require periodic adjustment
72
Install compression rings in a piston
Answer
A. With a ring expander
73
Remove the ridge formation before taking the piston out of the cylinder to avoid
Answer
D. Breaking the piston lands
74
Check crankshaft main-bearing journals for
Answer
D. All of the above
75
Removing the glaze from cylinder walls before installing new piston rings helps
avoid
Answer
C. Slow seating of the piston rings
76
After boring or honing cylinders, clean and protect the cylinder walls with
Answer
A. Soapy water and light oil
77
No cranking and no lights when the key is turned to START may be caused by all
the following except
Answer
D. Burned out light bulbs
78
The opening pressure of pintle type nozzle varies from
Answer
A. 7-15 mPa
79
In a FIP (Fuel Injection Pump), the tendency to dribbling or secondary injection is
eliminated by
Answer
C. lowering of the delivery valve
80
For a 6-cylinder four stroke diesel engine have distributor type fuel injection pump,
then the number of suction ports in the injection pump are
Answer
D. 6
81
What is meant by static electricity ?
Answer
B. Electricity that does not move
82
Electrical behavior of material with 5 valance electrons
Answer
B. Insulator
83
Which type of fuse, in which fuse element assembled in a glass tube ?
Answer
A. Cartridge fuse
84
Which acid is used in lead acid battery ?
Answer
A. Sulfuric acid
85
Which of the following is a type of ‘Non-replaceable fuse’ ?
Answer
D. Circuit breaker
86
Which battery generally used in maruti 800 ?
Answer
B. 35 AH
87
What is the purpose of grid in battery plates ?
Answer
A. To hold active materials
88
Which of the following is used for reducing oxidation of battery terminals ?
Answer
D. Petroleum jelly
89
In solenoid switch, the pull-in winding is wounded with
Answer
A. Thick wire in series winding
90
Which of the following part is not included in relay ?
Answer
C. diaphragm
91
Which device produce more electricity at low RPm ?
Answer
A. Alternator
92
What is the necessity of diodes in an alternator ?
Answer
B. To convert AC to dC
93
Automobiles are generally equipped with
Answer
A. Series type starter
94
What is the purpose of overrunning clutch in starter motor ?
Answer
D. Over speeding of armature
95
In alternator, field terminal is connected to battery through
Answer
A. Ignition switch
96
How many brushes are provided in the alternator rotor assembly with eight interlocking
fingers ?
Answer
B. 2
97
How the output current did regulate in alternator ?
Answer
A. By self-limiting action
98
Which type of bearing generally used in Alternator drive end frame ?
Answer
D. Ball bearing
99
What is the gear ratio between a 4-pole starter motor pinion and fly wheel ring gear ?
Answer
C. 15 : 1
100
What is meant by Inboard type starter motor ?
Answer
A. The pinion moves toward starting motor
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