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
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 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 pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke.
A Equal to
B Below
C Above
D None of these
In Diesel engines, during suction stroke, _________ is drawn in the cylinder.
A Air and fuel
B Only fuel
C Only air
D None of these
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
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
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
The volume of air sucked by the compressor during its suction stroke is called
A Free air delivery
B Compressor capacity
C Swept volume
D None of these

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