Quiz Questions

ITI Quiz - 09-Apr-2026 11:11 AM (ITISKILL7590C5)

Question 1 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
Question 2 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 3 1 Marks
Which reaction is irrelevant to the 3 way catalytic converters?
A
NO<sub>X</sub> N<sub>2</sub> + CO<sub>2</sub> Co
B
HC H<sub>2</sub>O + CO<sub>2</sub> O<sub>2</sub>
C
CO H<sub>2</sub>O + CO O<sub>2</sub>
D
C CO<sub>2</sub> O<sub>2</sub>
Question 4 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 5 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 6 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 7 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 8 1 Marks
What is the major constituents of blow by gas?
A
Hydro carbon
B
CO<sub>2</sub>
C
CO
D
NO<sub>X</sub>
Question 9 1 Marks
Which emission react with other compounds in the atmosphere to produce photo chemical smog?
A
CO
B
HC
C
PM
D
SO<sub>X</sub>
Question 10 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 11 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 12 1 Marks
Which is a colourless, odourless tasteless and high toxic gas?
A
CO
B
CO<sub>2</sub>
C
NO<sub>X</sub>
D
SO<sub>X</sub>
Question 13 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 14 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 15 1 Marks
Where is connected the EVAP canister outlet?
A
Intet manifold
B
Exhaust manifold
C
Catalyst converter
D
Fuel tank
Question 16 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 17 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 18 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 19 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 20 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 21 1 Marks
Which type of engine uses SCR for emission control?
A
Petrol engine
B
Diesel engine
C
LPG engine
D
CNG engine