Quiz Questions - ITI Quiz - 20-Feb-2026 09:48 PM

Question 1 1 Marks

What is the function of thermo time switch in engine control module?

A

Sense exhaust gas temperature

B

Sense engine coolant temperature

C

Indicate lubricant temperature

D

Indicate fuel temperature

Question 2 1 Marks

What is the function of ignition coil?

A

Step up low voltage to high voltage

B

Step down high voltage to low voltage

C

Connect the primary circuit to ignition switch

D

Disconnect the secondary circuit to

Question 3 1 Marks

How many spark plugs are ignited at the same time in the distributor less ignition system?

A

Two

B

Three

C

Four

D

Five

Question 4 1 Marks

What is the firing order for four cylinder engine?

A

1,3,4,2

B

1,2,3,4

C

2,3,1,4

D

3,1,4,2

Question 5 1 Marks

Which instrument indicate engine RPM in the engine control module?

A

Pyno meter

B

Tachometer

C

Galvano meter

D

Hydro meter

Question 6 1 Marks

What is the permitted spark plug gap in general?

A

2.83 mm

B

2.03 mm

C

2.53 mm

D

2.92 mm

Question 7 1 Marks

Where the engine control module installed in the engine?

A

Under side of instrument panel

B

In the gear box assembly

C

Near the fly wheel

D

Front side of radiator

Question 8 1 Marks

Which electronic control system prevent stalling of engine when additional loads are placed on the engine?

A

Fuel injection control system

B

Fuel pump control system

C

Idle speed control system

D

Ignition control system

Question 9 1 Marks

Which sensor located in the intake manifold or throttle body?

A

Mass air flow sensor

B

Oxygen sensor

C

Hall effect sensor

D

Air vertex sensor

Question 10 1 Marks

What is the achived through spark plug end gap design?

A

Improve combustion swirl

B

Increase the fuel pressure

C

Improve fuel atomisation

D

Helps for the complete ignition

Question 11 1 Marks

What will be the effect of the long heat path travel in the spark plug?

A

Spark plug will run cooler

B

Life of spark plug increased

C

Spark plug will run hot

D

Improper atomisation

Question 12 1 Marks

What is the effect on engine performance if air leak in the induction system observed?

A

Engine hard to start - Hot

B

Engine cranks but will not start

C

Pressure regulator

D

Engine produce abnormal noise

Question 13 1 Marks

Which senor is used to sense vibration?

A

Engine knocking sensor

B

Hall effect sensor

C

Air vertex sensor

D

Vehicle speed sensor

Question 14 1 Marks

What is the contributory cause for the engine hard to start - cold?

A

Thermo time switch faulty

B

Defective oil pressure

C

Faulty fuel filter

D

Damaged radiator

Question 15 1 Marks

What is the purpose of condensor in the ignition system?

A

Distribute high tension current to spark

B

Insulate spark plug electrodes

C

Prevents arcs at the points

D

Open and close the primary circuit

Question 16 1 Marks

Which electronic control system supplies optimum airfuel mixture to the combustion chamber under different driving condition?

A

Idle speed control system

B

Fuel injection control system

C

Ignition control system

D

Oil pump control system

Question 17 1 Marks

Which law states that the induction of electromotive force in any closed circuit is equal to the rate of change of magnetic flux?

A

Law of resistance

B

Ohms law

C

Charles law

D

Faradays law

Question 18 1 Marks

Which part of cold start system allow additional air to bypass the throttle plate?

A

Auxiliary air valve

B

Air supply relay

C

Thermo time switch

D

Oxygen sensor

Question 19 1 Marks

Which type of sensor used to monitor the injection timing and ignition timing of engine?

A

Pressure sensor

B

Throttle position sensor

C

Crank and cam, shaft position sensor

D

Engine knocking sensor

Question 20 1 Marks

What is the advantage of EFI engine management system?

A

Increased thermal efficiency

B

Increased mechanical efficiency

C

Better starting and acceleration

D

Effective fuel distribution achived

Question 21 1 Marks

Which sensor is used to alert the driver of unseen obstacles?

A

Speed sensor

B

Parking sensor

C

Torque sensor

D

Pressure sensor

Question 22 1 Marks

What is the purpose of tachometer?

A

Indicate coolant temperature

B

Indicate engine RPM

C

Indictae fuel level

D

Indicate oil pressure

Question 23 1 Marks

Which type of sensor located at the exhaust manifold?

A

Hall effect sensor

B

Oxygen sensor

C

Air vertex sensor

D

Mass air flow sensor

Question 24 1 Marks

Which sensor used to measure the magnitude of a magnetic field?

A

Air vertex sensor

B

Voltage sensor

C

Hall effect sensor

D

Engine knocking sensor

Question 25 1 Marks

Which part of electronic fuel injection system controls opening of bypass air passage?

A

Pressure relief valve

B

Idle air control valve

C

Throttle valve

D

Check valve

Question 26 1 Marks

How much is the difference in resistance is permitted in the temperature sensor unit?

A

More than 100 ohms

B

More than 150 ohms

C

More than 200 ohms

D

More than 400 ohms

Question 27 1 Marks

What is the temperature limit set to ON/OFF for the radiator control system?

A

ON and OFF at below 98 Degree Centigrade and 93 Degree Centigrade

B

ON and OFF at above 98 Degree Centigrade and 93 Degree Centigrade

C

ON and OFF at below 93 Degree Centigrade and 84 Degree Centigrade

D

ON and OFF at above 90 Degree Centigrade and 81 Degree Centigrade

Question 28 1 Marks

Why many engines use spark plugs with tapered seats?

A

Helps in easy fitting

B

Produce correct alignment

C

Provide clearance space

D

Produce good sealing

Question 29 1 Marks

What is the function of distributor in the battery ignition system?

A

Distribute high tension current from ignition coil to secondary winding

B

Distribute high tension current flow ignition coil to spark plugs

C

Opens and closes the secondary circuit of coil

D

Distribute low tension current to ignition coil

Question 30 1 Marks

What is the cause of electrodes burning in the spark plug?

A

Plug runs too cold

B

Incorrect tappet clearance

C

Plug runs too hot

D

Incorrect fuel mixture

Question 31 1 Marks

What is the purpose of breaker plate in the distributor?

A

Acts as contact breaker

B

Prevents dirt, carbon into distributor

C

Conduct the ignition surge to the electrode

D

Distribute high tension surge to ignition coil

Question 32 1 Marks

Which part of ignition system connects and disconnects primary circuit?

A

Distributor

B

Condenser

C

Contact breaker

D

Ignition coil

Question 33 1 Marks

What is the special feature of cold start system?

A

Provide additional fuel during starting

B

Provide positive starting

C

Intake manifold

D

Determine timing and sequence of fuel injection