Mechanical Engineering :: Compressors, Gas Turbines and Jet Engines
- Which of the following statement is correct?
- Which of the following statement is correct?
- The assumption made in two stage compression with inter-cooler is that
- The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
- When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be
- The volumetric efficiency of compressor with increase in compression ratio will
- The thermodynamic efficiency of rotary compressor is based on
- The ratio of work-done per cycle to the stroke volume of the compressor is known as
- The stagnation pressure rise in a centrifugal compressor takes place
- The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will
A.
The ratio of the discharge pressure to the inlet pressure of air is called compressor efficiency |
B.
The compression ratio for the compressor is always greater than unity |
C.
The compressor capacity is the ratio of work-done per cycle to the stroke volume |
D.
During isothermal compression of air, the work-done in a compressor is maximum |