Quiz Questions

ITI Quiz - 30-Apr-2026 06:26 PM (ITISKILL89377O)

Question 1 1 Marks
Which oil is used in cooling system?
A
Lubricant oil
B
Mineral oil
C
Coolant oil
D
Hydraulic oil
Question 2 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 3 1 Marks
Which part drives the oil pump?
A
Crank Shaft
B
Cam Shaft
C
Crank pulley
D
Timing gears
Question 4 1 Marks
Which part is lubricated by splash lubrication system?
A
Timing gears
B
Main journal
C
Crank pin
D
Cylinder wall
Question 5 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 6 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 7 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 8 1 Marks
Which part is used to pump the water in water pump?
A
Bearing
B
Shaft
C
Pulley
D
Impeller
Question 9 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 10 1 Marks
Where heat dissipation take place in cooling system?
A
Radiator
B
Water pump
C
Water jackets
D
Fan
Question 11 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 12 1 Marks
How many valves are used in radiator cap?
A
One valve
B
Two valves
C
Three valves
D
Four valves
Question 13 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 14 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 15 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 16 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 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24 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 25 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 26 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 27 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 28 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 29 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 30 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 31 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 32 1 Marks
Which part connects the petrol engine
inlet manifold?
A
Air filter
B
Injector
C
Carburetor
D
Fuel pump
Question 33 1 Marks
What is the material of inlet manifold?
A
Brass
B
Bronze
C
Stainless steel
D
Aluminium alloy
Question 34 1 Marks
Which component is related to exhaust
system?
A
Muffler
B
Air filter
C
Carburetor
D
Injection pump
Question 35 1 Marks
Which is related to pneumatic system?
A
Steam
B
Electric
C
Compressed air
D
Pressurized water
Question 36 1 Marks
Where is the turbocharger mounted?
A
Air filter
B
Inlet manifold
C
Cylinder head
D
Exhaust manifold
Question 37 1 Marks
What is the material of exhaust manifold?
A
Brass
B
Bronze
C
Cast iron
D
Steel alloy
Question 38 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 39 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 40 1 Marks
Which process is taken place in catalytic convertor?
A
Thermal
B
Physical
C
Chemical
D
Biological
Question 41 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 42 1 Marks
How does a turbocharger get drive?
A
By belt
B
By gear
C
By inlet gas
D
By exhaust gas
Question 43 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 44 1 Marks
Which type of filter element is fitted in dry type air cleaner?
A
Cloth
B
Paper
C
Strainer
D
Wire mesh
Question 45 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 46 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 47 1 Marks
Where the catalytic converters are used?
A
Fuel system
B
Inlet system
C
Exhaust system
D
Lubrication system
Question 48 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 49 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 50 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 51 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 52 1 Marks
Which metal in the fuel is to be avoided while fitting catalytic convertor?
A
Tin
B
Lead
C
Chromium
D
Phosphorus