Related Questions

In petrol engines, during suction stroke, _________ is drawn in the cylinder
A Air and fuel
B Only fuel
C Only air
D None of these
In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
A equal to
B below
C above
D middle
A diesel engine, during suction stroke, draws
A Air only
B Diesel only
C A mixture of diesel and air
D None of these
During suction stroke, the inside pressure of cylinder is
A More than the atmospheric pressure
B Less than the atmospheric pressure
C Equal to the atmospheric pressure
D None of these
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.
A Equal to
B Lower than
C Higher than
D None of these
In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure.
A Equal to
B Lower than
C Higher than
D None of these
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then _________ is employed.
A Fuel pump
B Injector
C Carburettor
D None of these
In centrifugal pump operation, the cavitation can be eliminated by maintaining suction pressure __________ the vapor pressure of the liquid at the suction temperature.
A Lower than
B Higher than
C Equal to
D None of these
The Diesel engines as compared to petrol engines require
A Bigger flywheel
B Smaller flywheel
C Same size of flywheel
D No flywheel

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