When water emulsion is used as the fuel in SI engine the emission of nitrogen oxides reduces significantly, this is due to

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