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 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
The pressure and temperature conditions of air at the suction of compressor are
A Atmospheric
B Slightly more than atmospheric
C Slightly less than atmospheric
D Pressure slightly less than atmospheric and temperature slightly more than atmospheric
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston.
A One stroke
B Two strokes
C Three strokes
D Four strokes
In which of the following furnaces, the gases are sucked through the stock bed from below?
A Soaking pit
B Sintering machine
C Beehive oven
D None of these
If the flow of air through the compressor is parallel to its axis, then the compressor is
A Reciprocating compressor
B Centrifugal compressor
C Axial flow compressor
D Turbo compressor
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
A compressor that takes suction at a pressure below atmospheric and discharge against atmospheric pressure is called a __________ pump.
A Sump
B Volute
C Vacuum
D Submerged
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
A diesel engine, during suction stroke, draws
A Air only
B Diesel only
C A mixture of diesel and air
D None of these

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