Quiz Questions - ITI Quiz - 05-May-2026 03:33 PM

Question 1 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 2 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 3 1 Marks

Which governor has fitted the control rack with diaphragm?

A

Mechanical governor

B

Pneumatic governor

C

Servo governor

D

Centrifugal governor

Question 4 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 5 1 Marks

Which electronic device controls the engine system?

A

Regulator

B

Ecm

C

Fuse

D

Switch

Question 6 1 Marks

How the CRDI injectors pressure control valve operated?

A

Mechanically

B

Electronically

C

Manually

D

Hydraulic

Question 7 1 Marks

Which valve is maintaining in the high pressure FIP pipe line?

A

Control rack

B

Delivery valve

C

Barrel

D

Plunger

Question 8 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 9 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 10 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 11 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 12 1 Marks

How much maximum fuel pressure developed in fuel injection pump?

A

100 to 200 Kgf/cm2

B

200 to 300 Kgf/cm2

C

300 to 400 Kgf/cm2

D

400 to 700 Kgf/cm2

Question 13 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 14 1 Marks

How many fuel chamber's are in HEUI?

A

One

B

Two

C

Three

D

Four

Question 15 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 16 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 17 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 18 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 19 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 20 1 Marks

Which is develop diesel pressure in the CRDI engine?

A

ECM

B

Injection

C

Fuel tank

D

High pressure pump

Question 21 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 22 1 Marks

Which fuel related with cetane number?

A

Petrol

B

Diesel

C

Coal

D

Kerosene

Question 23 1 Marks

Where is fuel injector fitted?

A

Cylinder head

B

Cylinder block

C

Head cover

D

Crank case

Question 24 1 Marks

Which is a colourless, odourless tasteless and high toxic gas?

A

CO

B

CO2

C

NOX

D

SOX

Question 25 1 Marks

Which is the proposed date of implementation of bharat stage - 5 in entire country?

A

1.4.2018

B

1.4.2019

C

1.4.2020

D

1.4.2025

Question 26 1 Marks

Which type of the emission control system that blow by gases are feed in to the inlet manifold of a running engine?

A

Exhaust gas recirculation

B

Crank case ventilation

C

Positive crank case ventilation

D

Catalytic convention

Question 27 1 Marks

Which type of engine uses SCR for emission control?

A

Petrol engine

B

Diesel engine

C

LPG engine

D

CNG engine

Question 28 1 Marks

Which type of fuel is recommended for catalytic converter installed engines?

A

Leaded petrol

B

Unleaded petrol

C

High speed diesel

D

Low speed diesel

Question 29 1 Marks

Which controls the EGR valve in modern vehicle?

A

Engine vacuum controlled valve

B

Vacuum regulated valve

C

Linear electronic controlled valve

D

Solenoid controlled valve

Question 30 1 Marks

What does EPA refers to environment?

A

Environmental protection agency

B

Environmental provision act

C

Environmental prevention act

D

Environmental provision agency

Question 31 1 Marks

Which type of vehicle emissions is measured in ?g/Kwh??

A

Two wheeler

B

Two wheeler and light motor vehicle

C

Light motor vehicle

D

Heavy motor vehicle

Question 32 1 Marks

Which type of vehicle emission is measured in ?g/Km??

A

Two wheeler only

B

Light motor vehicle (LMV) only

C

Two wheeler and LMV

D

Heavy motor vehicles (HMV)

Question 33 1 Marks

Which emission react with other compounds in the atmosphere to produce photo chemical smog?

A

CO

B

HC

C

PM

D

SOX

Question 34 1 Marks

Which one of the hydro carbon (HC) emited due to lack of oxygen?

A

From fuel tank

B

From carburettor

C

From blow by crank case

D

From exhaust manifold

Question 35 1 Marks

Where is connected the EVAP canister outlet?

A

Intet manifold

B

Exhaust manifold

C

Catalyst converter

D

Fuel tank

Question 36 1 Marks

What is the major constituents of blow by gas?

A

Hydro carbon

B

CO2

C

CO

D

NOX

Question 37 1 Marks

Which device changes carbon monoxide into carbon dioxide in the exhaust gas?

A

Canister

B

Muffler

C

Catalytic converter

D

Exhaust gas regulator

Question 38 1 Marks

Which reaction is irrelevant to the 3 way catalytic converters?

A

NOX N2 + CO2 Co

B

HC H2O + CO2 O2

C

CO H2O + CO O2

D

C CO2 O2

Question 39 1 Marks

When does a fresh charge escapes from the petrol engine exhaust?

A

During valve lead

B

During valve open

C

During valve lag

D

During valve overlap

Question 40 1 Marks

What is acronym for DEF in selective catalytic reduction?

A

Diesel engine fluid

B

Diesel exhaust fluid

C

Diesel emission fluid

D

Diesel engine fuse

Question 41 1 Marks

What is the effect of high sulphur content in fuel?

A

In complete combustion

B

Pitting in the engine parts

C

Fungus in the cylinder walls

D

Corrosive Wear of engine parts

Question 42 1 Marks

What is the acronym for EGR in emission control system?

A

Engine gas recirculation

B

Exhaust gas recirculation

C

Exhaust gate regulator

D

Emission gas recirculation

Question 43 1 Marks

What is the purpose of the EVAP canister?

A

to trap the exhaust gas

B

to trap the fresh charge

C

to trap the leak off fuel

D

to trap the fuel vapour

Question 44 1 Marks

What is acronym for SCR in emission control system?

A

Silicon controlled rectifier

B

Selective catalytic reduction

C

Selective controlled rectifier

D

Selective controlled reduction