When a fuel tank becomes cold such that a vacuum is created inside it then the fuel vapour held in the EVAP control canister

What is the purpose of crank case ventilation?

A. To prevent pressure build up

B. To prevent temperature build up

C. To increase the blow by gas

D. To reduce the combustion leak

Where EGR valve connected?

A. Exhaust system and intake system

B. Crank case and intake system

C. Crank case and exhaust system

D. Exhaust system and catalytic converter

A . . . . . . . . reduction of cold-start HC has been achieved.

A. 20%

B. 30%

C. 35%

D. 40%

In a petrol fuel injected engine, the air and fuel are mixed in the

A. Throttle body

B. Intake manifold chamber

C. Intake ports

D. Combustion chambers