12) In diesel engines, the fuel is injected in the form of very fine spray, into the engine cylinder, which gets ignited due to high temperature of the compressed air.

Agree

Disagree

Answer is:

Agree

cylinder walls being too hot

overheated spark plug points

red hot carbon deposits on cylinder walls

any one of these

Answer is:

starts at 15 Degree before top dead centre and ends at 30 Degree after top dead centre

starts at top dead centre and ends at 30? after top dead centre

starts at 15 Degree after top dead centre and ends at 30 Degree before bottom dead centre

may start and end anywhere

Answer is:

to reduce mass of the engine per brake power

to reduce space occupied by the engine

to increase the power output of an engine when greater power is required

all ofthe above

Answer is:

Correct

Incorrect

Answer is: