more
less
✅ The correct answer is option B.
Compressors
In gas turbines, the work input with intercooling is __________ the work input with no intercooling.
less man
more than
✅ The correct answer is option A.
Euler’s equation can be used for
radial flow compressors
axial flow compressors
pumps
all of these
✅ The correct answer is option D.
The degree of reaction is usually kept __________ for all types of axial flow compressors.
0.2
0.3
0.4
0.5
✅ The correct answer is option D.
Free air is the air at atmospheric conditions at any specific location.
TRUE
FALSE
✅ The correct answer is option A.
The pressure of air at the beginning of the compression stroke is __________ the atmospheric pressure.
equal to
less than
more than
✅ The correct answer is option B.
The temperature of air at the beginning of the compression stroke is __________ the atmospheric temperature.
equal to
less than
more than
✅ The correct answer is option C.
The ratio of the isothermal power to the shaft power or brake power of the motor or engine required to drive the compressor is called overall isothermal efficiency.
TRUE
FALSE
✅ The correct answer is option A.
A centrifugal compressor is an axial flow compressor.
Correct
Incorrect
✅ The correct answer is option B.
The ratio of the discharge pressure to the inlet pressure of air is called
compression ratio
expansion ratio
compressor efficiency
volumetric efficiency
✅ The correct answer is option A.