Which of the following fuel can be obtained by fermentation of vegetable matter.
Where does mixing of air takes place in case of diesel engine.
The air fuel ratio required for cruising is
In SI Engines spark advance is generally of the order of
The efficiency of two stroke engine as compared to that of 4 stroke engine is
Lean AFM means:-
where Ø = equivalence ratio.
Motoring test is done to find out
If number of working stroke of 4 stroke engine is N, than for 2 stroke engine it will be
Which one of the following automobile exhaust gas pollutants is a major cause of photo chemical smog.
The discharge of hydrocarbons from petrol automobile exhaust is minimum when vehicle is
Increase in temperature of combustion increases which of these pollutants.
The cause of smoke from IC engines is
Pressure of carbon monoxide in exhaust means.
At the time of starting the carburator supplies a mixure which is
CNG is a mixure of
The peak pressure in IC engine combustion occurs at a crank angle of
Minimum air fuel ratio for Diesel engine is
With increases in humidity knocking in SI Engines
In SI engines spark plug should be located,
As delay period increases knocking in CI Engine
CI engines as compared to SI engines are
Which of the following has lowest self ignition temperature.
Air fuel mixure during Accelerating is around
which among the following has maximum efficiency