In a four stroke cycle petrol engine, the charge is ignited at
A. 30° before top dead center
B. 30° after top dead center
C. 30° before bottom dead center
D. 30° after bottom dead center
Answer: Option A
A. 30° before top dead center
B. 30° after top dead center
C. 30° before bottom dead center
D. 30° after bottom dead center
Answer: Option A
Engine pistons are usually made of aluminium alloy because it
A. Is lighter
B. Wear is less
C. Absorbs shocks
D. Is stronger
The reason for supercharging in any engine is to
A. Increase efficiency
B. Increase power
C. Reduce weight and bulk for a given output
D. Effect fuel economy
Morse test can be conducted for
A. Petrol engines
B. Diesel engines
C. Multi cylinder engines
D. All of these
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