Related Questions

For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is
A More
B Less
C Equal
D Either A or B; depends on the viscosity of the fluid
For supplying intermittent small quantity of air at high pressure, following compressor is best suited
A Centrifugal
B Reciprocating
C Axial
D Screw
Reciprocating air compressor is best suited for
A Large quantity of air at high pressure
B Small quantity of air at high pressure
C Small quantity of air at low pressure
D Large quantity of air at low pressure
Rotary compressor is best suited for
A Large quantity of air at high pressure
B Small quantity of air at high pressure
C Small quantity of air at low pressure
D Large quantity of air at low pressure
Slow oxidative muscle fibers are best suited for
A Hitting football
B Heavy workout in the gym
C Running a marathon
D None of the above
Axial flow compressor has the following advantage over centrifugal compressor
A Larger air handling ability per unit frontal area
B Higher pressure ratio per stage
C Aerofoil blades are used
D Higher average velocities
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.
A Parallel
B Perpendicular
C Inclined
D None of these
Which is false statement about advantages of multistage compressor in comparison to single stage compressor?
A Less power requirement
B Better mechanical balance
C Less loss of air due to leakage past the cylinder
D Lower volumetric efficiency
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as
A Work factor
B Slip factor
C Degree of reaction
D Pressure coefficient
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

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