Related Questions

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 two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
A Half
B Same
C Double
D Four times
Thermal efficiency of a two stroke cycle engine is _________ a four stroke cycle engine.
A Equal to
B Less than
C Greater than
D None of these
Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine.
A Half
B Same
C Double
D Four times
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
Two stroke engine compared to a four stroke engine has
A Higher efficiency
B Less fuel consumption
C Higher power to weight ratio
D Lower initial cost
The height of a cylinder is four times the radius of the cylinder. If the volume of the cylinder is 256 cm², what is the radius of the cylinder.
A 4 cm
B 8 cm
C 16 cm
D 24 cm
Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.
A Equal to
B One-half
C Twice
D Four-times
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.
A Low
B Very low
C High
D Very high
In a four stroke I.C. engine, the turning moment during the compression stroke is
A positive throughout
B negative throughout
C positive during major portion of the stroke
D negative during major portion of the stroke

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