Internal Combustion Engines
Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine?

Inlet valve closing before bottom dead center
Exhaust valve closing after top dead center
Inlet valve opening before top dead center
Inlet valve closing after bottom dead center

ANSWER DOWNLOAD EXAMIANS APP

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

Starts at 15° after top dead center and ends at 30° before bottom dead center
May start and end anywhere
Starts at 15° before top dead center and ends at 30° after top dead center
Starts at top dead center and ends at 30° after top dead center

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
For the same compression ratio

Otto cycle is more efficient than the Diesel
Both Otto and Diesel cycles are, equally efficient
Compression ratio has nothing to do with efficiency
Diesel cycle is more efficient than Otto

ANSWER DOWNLOAD EXAMIANS APP