Related Questions

The operation of forcing additional air under pressure in the engine cylinder is known as
A Scavenging
B Turbulence
C Supercharging
D Pre-ignition
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
The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crankcase, is known as
A Cleaning
B Priming
C Scavenging
D Detonation
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
The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
A Supercharging
B Auto ignition
C Scavenging
D Detonation
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
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a
A Fuel pump
B Fuel injector
C Spark plug
D None of these
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
The area of the base of a cylinder is 100πm2. The volume of the cylinder is 900πm3. What is the height of the cylinder?
A 9m
B 10m
C 11m
D 12m

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