Internal Combustion Engines
In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to

Prevent sparking across the gap between the points
Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit
None of these
Both (A) and (B)

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
The fuel valve in a four stroke cycle diesel engine

Opens at 15° before top dead center and closes at 20° after top dead center
Opens at top dead center and closes at bottom dead center
May open and close anywhere
Opens at 15° after top dead center and closes at 20° before bottom dead center

ANSWER DOWNLOAD EXAMIANS APP