Q. In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

View solution

Q. Gas turbine as compared to internal combustion engine

View solution

Q. The performance of air compressor at high altitudes will be __________ as compared to that at sea level.

View solution

Q. In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at

View solution

Q. In a centrifugal compressor, the air enters the impeller axially and leaves the vane radially.

View solution

Q. In gas turbines, the work input with intercooling is __________ the work input with no intercooling.

View solution

Q. The compressor capacity will be __________ if the temperature of intake air is lowest.

View solution

Q. For perfect intercooling in a three stage compressor,

View solution

Q. A machine used to raise the pressure of air is called

View solution

Q. The overall efficiency of the compressed air system is the

View solution

Q. In a jet engine, the compression varies as the square of the speed.

View solution

Q. In a single acting reciprocating air compressor, without clearance, the compression of air may be

View solution

Q. Which of the following statement is correct?

View solution

Q. Slip factor in a centrifugal compressor indicates the amount of air leaked from the storage vessel.

View solution

Q. The ratio of the isentropic work to the Euler's work is known as pressure coefficient.

View solution

Q. A turbo-prop is preferred to turbo-jet because

View solution

Q. The air power of the compressor is also known as

View solution

Q. A 3 m³/min compressor means that it

View solution

Q. The compression ratio for the compressor is always __________ unity.

View solution

Q. The assumption made in two stage compression with intercooler is that

View solution