Quiz Questions

ITI Quiz - 02-May-2026 01:14 PM (ITISKILL275623)

Q-Paper A-Paper
Question 1 1 Marks
What is the purpose of the turbo charger?
A
Save power
B
Scavenging
C
Filter the exhaust gas
D
Pump more air into the cylinder
Question 2 1 Marks
Which is related to pneumatic system?
A
Steam
B
Electric
C
Compressed air
D
Pressurized water
Question 3 1 Marks
Where the exhaust system muffler is connected?
A
Between exhaust pipe and tail pipe
B
Between tail pipe and exhaust manifold
C
Between engine head and exhaust manifold
D
Between exhaust pipe and exhaust manifold
Question 4 1 Marks
What is the material of exhaust manifold?
A
Brass
B
Bronze
C
Cast iron
D
Steel alloy
Question 5 1 Marks
What is the reason to decrease the volumetric efficiency in exhaust system?
A
Low noise
B
High temperature
C
Low temperature
D
Excessive back pressure
Question 6 1 Marks
Which are the materials commonly used in the catalytic converter?
A
Zinc and molybdenum
B
Palladium and platinum
C
Asbestos and ceramics
D
Chromium and vanadium
Question 7 1 Marks
Which one of the following acts as a flame arrester during engine back fire?
A
Muffler
B
Oil filter
C
Air filter
D
Fuel filter
Question 8 1 Marks
Which metal in the fuel is to be avoided while fitting catalytic convertor?
A
Tin
B
Lead
C
Chromium
D
Phosphorus
Question 9 1 Marks
Which part connects the petrol engine
inlet manifold?
A
Air filter
B
Injector
C
Carburetor
D
Fuel pump
Question 10 1 Marks
Where the catalytic converter is fitted?
A
Between muffler and tail pipe
B
Between exhaust pipe and muffler
C
Between tail pipe and resonator pipe
D
Between engine head and exhaust manifold
Question 11 1 Marks
Which component is related to exhaust
system?
A
Muffler
B
Air filter
C
Carburetor
D
Injection pump
Question 12 1 Marks
What is the material of inlet manifold?
A
Brass
B
Bronze
C
Stainless steel
D
Aluminium alloy
Question 13 1 Marks
What is the purpose of catalytic converter?
A
Control the noise
B
Control the emission
C
Control the temperature
D
Control the fuel consumption
Question 14 1 Marks
Which type of filter element is fitted in dry type air cleaner?
A
Cloth
B
Paper
C
Strainer
D
Wire mesh
Question 15 1 Marks
Which type of muffler is fitted with
sensors and microphone ?
A
Electronic type
B
Resonance type
C
Reverse flow type
D
Straight through type
Question 16 1 Marks
Where is the turbocharger mounted?
A
Air filter
B
Inlet manifold
C
Cylinder head
D
Exhaust manifold
Question 17 1 Marks
How does a turbocharger get drive?
A
By belt
B
By gear
C
By inlet gas
D
By exhaust gas
Question 18 1 Marks
Which process is taken place in catalytic convertor?
A
Thermal
B
Physical
C
Chemical
D
Biological
Question 19 1 Marks
Where the catalytic converters are used?
A
Fuel system
B
Inlet system
C
Exhaust system
D
Lubrication system
Question 20 1 Marks
Which type of muffler produces anti noise
without restricting exhaust flow?
A
Baffle type
B
Electronic type
C
Reverse flow type
D
Straight through type
Question 21 1 Marks
What is the purpose of the muffler in the exhaust system?
A
To reduce the heat
B
To reduce the noise
C
To reduce the vibration
D
To filter the exhaust gases
Question 22 1 Marks
Which is leak proof between nozzle and nozzle body?
A
Increase the power
B
Prevent dirty smoke
C
Easy starting
D
Mirror polishing finish in nozzle and body
Question 23 1 Marks
Which electronic device controls the engine system?
A
Regulator
B
Ecm
C
Fuse
D
Switch
Question 24 1 Marks
When do we use the hand priming pump?
A
Engine is at rest
B
Engine is at full load
C
Engine is at full speed
D
Engine is at idling speed
Question 25 1 Marks
Which part connected in between inlet manifold and low pressure chamber of pneumatic governor?
A
Accelerator cable
B
Vacuum tube
C
Stop lever cable
D
Throttle lever
Question 26 1 Marks
Which action the spindle only move up and down in feed pump?
A
Idling action
B
Partial action
C
Normal action
D
pumping action
Question 27 1 Marks
What is the purpose of baffles in the fuel tank?
A
To minimize the slushing of fuel in the tank
B
To strengthen the fuel tank
C
To make chambers in the fuel tank
D
To make square and lengthy fuel tank
Question 28 1 Marks
How much maximum fuel pressure developed in fuel injection pump?
A
100 to 200 Kgf/cm<sup>2</sup>
B
200 to 300 Kgf/cm<sup>2</sup>
C
300 to 400 Kgf/cm<sup>2</sup>
D
400 to 700 Kgf/cm<sup>2</sup>
Question 29 1 Marks
Where the fuel feed pump of a diesel engine usually mounted?
A
Fuel Filter
B
Fuel gallery
C
Fuel injector
D
Fuel injection pump
Question 30 1 Marks
How much pressure develop the CRDI- diesel engine pump?
A
100 - 200 bar
B
200 - 600 bar
C
600 - 1000 bar
D
1000 - 1600 bar
Question 31 1 Marks
How many fuel chamber's are in HEUI?
A
One
B
Two
C
Three
D
Four
Question 32 1 Marks
Which is develop diesel pressure in the CRDI engine?
A
ECM
B
Injection
C
Fuel tank
D
High pressure pump
Question 33 1 Marks
Which valve is maintaining in the high pressure FIP pipe line?
A
Control rack
B
Delivery valve
C
Barrel
D
Plunger
Question 34 1 Marks
How the CRDI injectors pressure control valve operated?
A
Mechanically
B
Electronically
C
Manually
D
Hydraulic
Question 35 1 Marks
Where is fuel injector fitted?
A
Cylinder head
B
Cylinder block
C
Head cover
D
Crank case
Question 36 1 Marks
What is the function of heater plug?
A
Warm up fuel pump
B
Warm up combustion chamber
C
Warm up injector
D
Warm up valves
Question 37 1 Marks
Where is the delivery pipe of fuel feed pump connected?
A
Fuel tank
B
Fuel filter
C
Fuel gallery
D
Fuel injection pump
Question 38 1 Marks
Where is the pressure discharge valve is fitted in CRDI fuel system?
A
Common rail
B
Fuel pump
C
Injectors
D
Fuel filter
Question 39 1 Marks
Which governor has fitted the control rack with diaphragm?
A
Mechanical governor
B
Pneumatic governor
C
Servo governor
D
Centrifugal governor
Question 40 1 Marks
How the quantity of fuel delivery vary in a running diesel engine?
A
By plunger
B
By control sleeve
C
By control rack
D
By injection
Question 41 1 Marks
Which fuel related with cetane number?
A
Petrol
B
Diesel
C
Coal
D
Kerosene
Question 42 1 Marks
What is the defects of air lock in the fuel system?
A
Hard running of the engine
B
erratic running of the engine
C
Smooth running of the engine
D
Continuous running of the engine
Question 43 1 Marks
Which is the process of fuel bleeding system?
A
Burn the air
B
Pump the air
C
Remove the air
D
Pressurize the air
Question 44 1 Marks
Which type of engine has common rail direct fuel injection system?
A
Steam engine
B
Diesel engine
C
Turbine engine
D
Wankle engine
Question 45 1 Marks
Which is the key element in converting reciprocating motion in to rotary motion?
A
Connecting rod
B
Gudgeon pin
C
King pin
D
Cam shaft
Question 46 1 Marks
Which instrument is used to check the vacuum of the cylinder?
A
Compression gauge
B
Dial gauge
C
Vacuum gauge
D
Wire gauge
Question 47 1 Marks
Which tool used to remove the crank shaft pully?
A
Double and spanner
B
Ring spanner
C
Pipe wrench
D
Puller
Question 48 1 Marks
Where the fly wheel is fitted in the engine?
A
Cam shaft
B
Crank shaft
C
Rocker arm shaft
D
Primary shaft
Question 49 1 Marks
Which is the most preferred use of roller bearings?
A
Gear boxes
B
Fly wheel
C
Differential
D
Connecting rods
Question 50 1 Marks
What is the property allows a bearing to with stand impact load for a reasonable time?
A
Fatigue strength
B
Tensile strength
C
Toughness
D
Hardness
Question 51 1 Marks
What is the purpose of the fly wheel timing mark?
A
To coincide the gears
B
To set the engine timing
C
To set the F.I.P timing
D
To set the valve clearance
Question 52 1 Marks
Which is the most preferred use of taper roller bearings?
A
Gear boxes
B
Fly wheel and water pump
C
Differential and wheel hub
D
Connecting rods
Question 53 1 Marks
Which is transferring energy for the piston to crankshaft?
A
Gudgeon pin
B
King pin
C
Connecting rod
D
Cam shaft
Question 54 1 Marks
What is the purpose of the timing chain?
A
To connect water pump pulley
B
To connect alternator
C
To connect crank or cam shaft gear
D
To connect A/C compressor
Question 55 1 Marks
Which tool is used to measure the diameter of the crank shaft main journal?
A
Inside micrometer
B
Outside micrometer
C
Three point internal micrometer
D
Master ring gauge
Question 56 1 Marks
What is the property of bearing helps to absorb dirt and metal particles?
A
Conformability
B
Embedability
C
Surface action
D
Thermal conductivity
Question 57 1 Marks
Which measuring instrument used to check the fly wheel face out?
A
Dial indicator
B
Compression gauge
C
Outside micrometer
D
Feeler gauge
Question 58 1 Marks
Which tool is used to remove the piston ring?
A
Drift punch
B
Ring expander
C
Circlip plier
D
'C' clamp
Question 59 1 Marks
What is the reason for corrosion of bearing?
A
Less clearance
B
Water mixed with lubricant
C
Over loaded
D
Over heated
Question 60 1 Marks
Which part is connect the piston with crank pin?
A
Push rod
B
Connecting rod
C
Cam Shaft
D
Crank Shaft
Question 61 1 Marks
Which is the most preferred use of bush bearings?
A
Connecting rods
B
Fly wheel
C
Crank shaft
D
Oil pumps
Question 62 1 Marks
Which is the bearing used in gear boxes?
A
Ball bearing
B
Roller bearing
C
Needle bearing
D
Taper roller bearing
Question 63 1 Marks
What is the material of cylinder block?
A
Cast iron
B
Bronze
C
Brass
D
Zinc alloy
Question 64 1 Marks
Which is the bearing used in differential and wheel of a heavy vehicles?
A
Ball bearing
B
Roller bearing
C
Needle bearing
D
Taper roller bearing
Question 65 1 Marks
What type of bearing fitted in the connecting rod big end?
A
Needle bearing
B
Ball bearing
C
Taper roller bearing
D
Shell bearing
Question 66 1 Marks
When it is required to coincide the mark with timing gears?
A
During assembling water pump
B
During assembling oil pump
C
During assembling cam shaft
D
During assembling radiator
Question 67 1 Marks
Which is the bearing used in water pump?
A
Ball bearing
B
Roller bearing
C
Needle bearing
D
Taper roller bearing
Question 68 1 Marks
Which part connect the piston with connecting rod?
A
Piston pin
B
Spilt pin
C
Crank pin
D
Cotter pin
Question 69 1 Marks
What is ovality of a bore?
A
Difference in dia measured top to bottom
B
Difference in dia thrust to non thrust side of cylinder
C
Difference in dia measured only at top
D
Difference in dia measured only at bottom
Question 70 1 Marks
Which is connected with pison through piston pin?
A
Gudgeon pin
B
Connecting rod
C
Cam shaft
D
Rocker arm
Question 71 1 Marks
What is the effect of tapper and ovality of a bore?
A
Compression loss
B
Miss firing
C
Difficult starting
D
False valve timing
Question 72 1 Marks
Which is the load taken by the roller bearing?
A
Radial load
B
Axial load
C
Thrust load
D
Radial and axial load
Question 73 1 Marks
Where is the compression ring is fitted in the piston?
A
Compression ring above the oil ring in the piston
B
Compression ring bottom of the piston skirt
C
Compression ring between oil ring and piston pin
D
Compression ring between piston pin and bottom of skirt
Question 74 1 Marks
What is the cause for uneven wear of bearings?
A
Bend twist
B
Excessive lubrication
C
No lubrication
D
Over heat
Question 75 1 Marks
What is the material of piston pins?
A
Nickel chromium steel
B
Cast iron
C
HSS
D
Bronze
Question 76 1 Marks
Which gauge used to measure the cylinder bore wearness?
A
Compression gauge
B
Vacuum gauge
C
Dial gauge
D
Depth gauge
Question 77 1 Marks
What is ovality of a crank shaft?
A
Difference in dia measured from top to bottom of a crank shaft outer dia
B
Difference in dia measured thrust to non thrust across dia
C
Difference in dia measured only at top
D
Difference in dia measured only at bottom
Question 78 1 Marks
What is the type of hardening done on crank shaft?
A
Induction hardening
B
Case hardening
C
Surface hardening
D
Curve hardening
Question 79 1 Marks
Which instrument is used to check the tappet clearance?
A
Telescopic gauge
B
Screw pitch gauge
C
Feeler gauge
D
Wire gauge
Question 80 1 Marks
What is the cause of excessive loading?
A
Fatigue failure
B
Bearing spread
C
Bearing crush
D
Bearing struck
Question 81 1 Marks
What is the property of a bearing helps to with stand metal to metal contact?
A
Surface action
B
Thermal conductivity
C
Fatique strength
D
Embeddability
Question 82 1 Marks
What is the load taken by taper roller bearing?
A
Radial load
B
Axial and radial load
C
Thrust load
D
Radial and axial load
Question 83 1 Marks
What is the material used to produce crank shaft?
A
Chromium vanadium nickel steel
B
High speed steel
C
Cast iron
D
Wrought iron
Question 84 1 Marks
What is the material for cam shaft?
A
Forged alloy steel
B
Copper alloy
C
Aluminium alloy
D
Zinc alloy
Question 85 1 Marks
What is the name the portion below the piston boss?
A
Land of the piston
B
Ring section of the piston
C
Crown of the piston
D
Skirt of the piston
Question 86 1 Marks
What is the speed ratio cam shaft to crank shaft?
A
Half
B
Equal
C
Double
D
Triple
Question 87 1 Marks
Which tool is required to remove the valves?
A
Torque wrench
B
Valve spring lifter
C
Box spanner
D
Scraper
Question 88 1 Marks
What is the purpose of the radiator in the cooling system?
A
Cool the hot air
B
Cool the hot oil
C
Cool the hot water
D
Cool the water pump
Question 89 1 Marks
What is the main purpose of the lubricant?
A
Minimise the friction
B
Increase the friction
C
Increase the wearness
D
Increase the noise
Question 90 1 Marks
When it is required to change the water pump bearing?
A
Water leakage
B
Bearing noisy
C
Low water pressure
D
Fan belt loose
Question 91 1 Marks
What is the cause of water leakage in water pump?
A
Worn out bearing
B
Worn out shaft
C
Worn out seal
D
Worn out impeller
Question 92 1 Marks
Which part drives the oil pump?
A
Crank Shaft
B
Cam Shaft
C
Crank pulley
D
Timing gears
Question 93 1 Marks
What is the effect if the radiator cores are clogged?
A
Free coolant flow
B
Slow coolant flow
C
Stop coolant flow
D
Increase coolant flow
Question 94 1 Marks
What is the purpose of water pump in cooling system?
A
Force the water circulation
B
Reduce the water pressure
C
Increase the water temperature
D
Flushing out the cooling system
Question 95 1 Marks
Which type of lubrication system is used in two stroke engine?
A
Dry sump lubrication
B
Wet sump lubrication
C
Petrol-oil lubrication
D
Splash lubrication
Question 96 1 Marks
Which part allows to flow water from upper tank to lower tank of the radiator?
A
Fins
B
Core tubes
C
Water pump
D
Bottom hole
Question 97 1 Marks
Which part is used to pump the water in water pump?
A
Bearing
B
Shaft
C
Pulley
D
Impeller
Question 98 1 Marks
What is the purpose of a radiator pressure cap?
A
Release the excess pressure
B
Maintain the water temperature
C
Retain the vacuum pressure
D
Retain the atmospheric pressure
Question 99 1 Marks
What is the purpose of the dip stick used in the engine?
A
To check oil pressure
B
To check oil temperature
C
To check oil density
D
To check oil level
Question 100 1 Marks
Which system the gear type oil pump is used?
A
Lubrication system
B
Cooling system
C
Fuel system
D
Air conditioning system
Question 101 1 Marks
Which type of pump is used in water cooling system?
A
Gear pump
B
Diaphragm pump
C
Centrifugal pump
D
Reciprocating pump
Question 102 1 Marks
Which lubrication system is used separate oil tank?
A
Wet sump lubrication
B
Splash lubrication
C
Petrol - oil lubrication
D
Dry sump lubrication
Question 103 1 Marks
How oil deliver from the crank shaft main bearings to connecting rod bearings?
A
Through drilled oil passages
B
Through crank pulley
C
Through sprocket
D
Through vibration damper
Question 104 1 Marks
How many valves are used in radiator cap?
A
One valve
B
Two valves
C
Three valves
D
Four valves
Question 105 1 Marks
Where heat dissipation take place in cooling system?
A
Radiator
B
Water pump
C
Water jackets
D
Fan
Question 106 1 Marks
Which one is the properties of lubricant
A
Boiling temperature should be low
B
Should develop foam
C
Oil viscosity should not be same in hot and cold condition
D
Oil viscosity should be suit the operating conditions
Question 107 1 Marks
Which part helps to increase the water boiling point in water cooling system?
A
Radiator core tubes
B
Radiator fins
C
Radiator hose
D
Radiator cap
Question 108 1 Marks
What is the reason pump does not suck the oil?
A
Less radial clearance
B
More backlash
C
Relief valve struck
D
Filter clogged
Question 109 1 Marks
Which types of cooling system the rate of cooling is very low?
A
Thermo siphon system
B
Air cooling system
C
Forced feed system
D
Pump circulation system
Question 110 1 Marks
Which oil is used in cooling system?
A
Lubricant oil
B
Mineral oil
C
Coolant oil
D
Hydraulic oil
Question 111 1 Marks
How the water pump get drive in pump circulation cooling system?
A
By belt
B
By gear
C
By chain
D
By coupling
Question 112 1 Marks
Which part is lubricated by splash lubrication system?
A
Timing gears
B
Main journal
C
Crank pin
D
Cylinder wall
Question 113 1 Marks
When the thermostat valve open in engine?
A
Low temperature of engine
B
High temperature of engine
C
Operating temperature of engine
D
Freezing temperature of engine
Question 114 1 Marks
Which mixture is used in radiator reverse flushing cleaning?
A
Flushing water with air (gun) pressure
B
Flushing water with engine oil
C
Flushing water with coolant oil
D
Flushing water with soap oil
Question 115 1 Marks
Which engine is used the Petrol oil lubrication system?
A
Four stroke engine
B
Two stroke engine
C
Steam engine
D
Battery car
Question 116 1 Marks
Where the metal fins are provided in the air cooled engine?
A
Cylinder and head
B
Exhaust pipe
C
Valve door
D
Intake manifold
Question 117 1 Marks
What is the effect if thermostat valve is struck?
A
Engine gets over cooling
B
Engine gets over heating
C
Engine does not start
D
Engine does not stop
Question 118 1 Marks
What is the purpose of metal fins in air cooling system?
A
Supply the heat
B
Increase the heat
C
Reduce the heat
D
Maintain the heat
Question 119 1 Marks
What is indicated horse power?
A
Power developed in the cylinder
B
Power developed in the flywheel
C
Power developed in the propeller shaft
D
Power developed in the wheel
Question 120 1 Marks
Which of the following fuel quality determines fuel to flow?
A
Volatility
B
Viscosity
C
Cetane number
D
Octane number
Question 121 1 Marks
Which is the engine called as constant volume cycle?
A
S.I engine
B
C.I engine
C
Turbine engine
D
Steam engine
Question 122 1 Marks
Which is the engine having cylinders in 180 Degree?
A
Inline engine
B
V- engine
C
Opposed engine
D
Radial engine
Question 123 1 Marks
Where is the air fuel mixture compressed in the two stroke petrol engine?
A
Intake port
B
Exhaust port
C
Transfer port
D
Combustion chamber
Question 124 1 Marks
Which ministry of India regulate the motor vehicle activity?
A
Minister of finance
B
Minister of defence
C
Minister of rural and development
D
Minister of road transport and highways
Question 125 1 Marks
Which year Hindustan motor established ambassador car industry in India?
A
1900
B
1900
C
1940
D
1980
Question 126 1 Marks
How many crank shaft rotation required to open exhaust valve one time in four stoke engine?
A
One
B
Two
C
Three
D
Four
Question 127 1 Marks
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
A
Constant volume
B
Constant pressure
C
Diesel Cycle
D
Isothermal
Question 128 1 Marks
How the AC mechanical pump's fuel
delivery pressure is determined?
A
Spring pressure on diaphragm
B
Maximum stroke of diaphragm
C
Size of the pumping chamber
D
Maximum deflection of diaphragm
Question 129 1 Marks
Which of the following fuel quality determines burning property of petrol?
A
Volatility
B
Viscosity
C
Cetane number
D
Octane number
Question 130 1 Marks
Which of the following fuel quality determines burning property of diesel?
A
Volatility
B
Viscosity
C
Cetane number
D
Octane number
Question 131 1 Marks
Which type of brake used in heavy vehicle parking?
A
Hydraulic
B
Mechanical
C
Electrical brake
D
Pneumatic brake
Question 132 1 Marks
Which equipment used for quick inspection under chassis of a car?
A
Stand
B
Screw jack
C
Trolley jack
D
Two post hoist
Question 133 1 Marks
What is the working cycle of compression ignition engine?
A
Diesel cycle
B
Otto cycle
C
Sterling cycle
D
Rankin cycle
Question 134 1 Marks
How can identify a four stroke engine?
A
Valves
B
Ports
C
Cavities
D
Passages
Question 135 1 Marks
Where the emulsion tube is provided in solex carburetor?
A
Choke
B
Idle jet
C
Main jet
D
Cold starter
Question 136 1 Marks
What is the purpose of needle valve in carburetor?
A
Decrease the fuel pressure
B
Excess supply of fuel at idle
C
Always holds correct level of fuel
D
Controls the air flow of the engine
Question 137 1 Marks
Which engine has fuel injection pump?
A
Petrol engine
B
Diesel engine
C
CRDI engine
D
MPFI engine
Question 138 1 Marks
Which engine has more length?
A
Opposed engine
B
'V' engine
C
Inline engine
D
Radial engine
Question 139 1 Marks
Which association of india is playing crucial role in less pollution?
A
AAI (Automobile Association of India)
B
AIA (Automotive industry Association)
C
AASI (Automobile Association if South India)
D
ARAI (Automotive research association of India)
Question 140 1 Marks
What is the angle of throw for 4 cylinder engine?
A
60 Degree
B
90 Degree
C
120 Degree
D
180 Degree
Question 141 1 Marks
What is the mechanical efficiency of an
engine?
A
(BHP/IHP)x100
B
(BHP/FHP)x100
C
(IHP/BHP)x100
D
(FHP/BHP)x100
Question 142 1 Marks
Which is the starting system used in heavy
vehicles?
A
Electric motor cranking
B
Hand cranking
C
Gasoline engine cranking
D
Compressed air cranking
Question 143 1 Marks
What is the compression ratio of an engine, its clearance volume is 10 c.c and swept volume is 90 c.c?
A
08:01
B
09:01
C
10:01
D
11:01
Question 144 1 Marks
How many flywheel rotation requries to compelet one cycle in two stroke engine?
A
One
B
Two
C
Three
D
Four
Question 145 1 Marks
Which engine has carburetor?
A
Petrol
B
Diesel
C
Kerosene
D
Mineral oil
Question 146 1 Marks
What is the purpose of valve in AC fuel
pump?
A
Creating suction
B
Creating pressure
C
Supply correct quantity of fuel
D
Allow the fuel to suck and deliver
Question 147 1 Marks
Which digit indicate the engine type in 17 digit of win number?
A
2 digit
B
3 digit
C
5 digit
D
8 digit
Question 148 1 Marks
Which of the following fuel quality determines to evaporate?
A
Volatility
B
Viscosity
C
Cetane number
D
Octane number
Question 149 1 Marks
How the amount of work done in a specification is called?
A
Torque
B
Power
C
Stroke length
D
Cycle
Question 150 1 Marks
How can identify a two stroke engine?
A
Valves
B
Ports
C
Cavities
D
Passages