Internal Combustion Engines
The voltage required to produce a spark across the gap, between the sparking points is

2000 to 4000 volts
4000 to 6000 volts
10,000 to 12,000 volts
6000 to 10,000 volts

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
Scavenging air in diesel engine means

Air used for forcing burnt gases out of engine's cylinder during the exhaust period
Air used for combustion sent under pressure
Burnt air containing products of combustion
Forced air for cooling cylinder

ANSWER DOWNLOAD EXAMIANS APP