The most efficient method of compressing air is to compress it
Correct!
Wrong!
Adiabatic compression is one in which
Correct!
Wrong!
Maximum work is done in compressing air when the compression is
Correct!
Wrong!
The compressor capacity with decrease in suction temperature
Correct!
Wrong!
An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes
Correct!
Wrong!
Compression efficiency is compared against
Correct!
Wrong!
Aeroplanes employ following type of compressor
Correct!
Wrong!
Ratio of indicated H.P. and brake H.P. is known as
Correct!
Wrong!
Cylinder clearance in a compressor should be
Correct!
Wrong!
Volumetric efficiency is
Correct!
Wrong!
The ratio of work doen per cycle to the swept volume in case of compressor is called
Correct!
Wrong!
Euler’s equation is applicable for
Correct!
Wrong!
In multistage compressor, the isothermal compression is achieved by
Correct!
Wrong!
Separators in compressor installations are located
Correct!
Wrong!
During peak load periods, the best method of controlling compressors is
Correct!
Wrong!
To aviod moisture troubles, the compressed air main line should
Correct!
Wrong!
During base load operation, the best method of controlling compressor is
Correct!
Wrong!
The ratio of isentropic work to Euler work is known as
Correct!
Wrong!
The criterion of the thermodynamic efficiency for rotary compressor is
Correct!
Wrong!
Losses in a centrifugal compressor are due to
Correct!
Wrong!
The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called
Correct!
Wrong!
Axial flow compressor has the following advantage over centrifugal compressor
Correct!
Wrong!
Axial flow compressor resembles
Correct!
Wrong!
Gas turbines for power generation are normally used
Correct!
Wrong!
Actual compression curve is
Correct!
Wrong!
Gas turbine works on
Correct!
Wrong!
Mechanical efficiency of gas turbines as compared to I.C engines is
Correct!
Wrong!
The air-fuel ratio in gas turbines is of the order of
Correct!
Wrong!
Efficiency of gas turbine is increased by
Correct!
Wrong!
The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
Correct!
Wrong!
The material commonly used for air craft gas turbine is
Correct!
Wrong!
Water is injected in gas turbine cycle to
Correct!
Wrong!
In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of
Correct!
Wrong!
In jet engines, paraffin is usually used as the fuel because of its
Correct!
Wrong!
A jet engine works on the principle of conservation of
Correct!
Wrong!
A rocket engine for the combustion of its fuel
Correct!
Wrong!
The air entry velocity m a rocket as compared to aircraft is
Correct!
Wrong!
The blades of gas turbine are made of
Correct!
Wrong!
Fighter bombers use following type of engine
Correct!
Wrong!
Reheating in gas turbine results in
Correct!
Wrong!