When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be
Forward curved
Backward curved
Radial
None of these
- The work ratio of simple gas turbine cycle depends on
- The overall efficiency of the compressed air system is the
- The work done per unit mass of air in compression will be least when n is equal to
- Propulsive efficiency is defined as ratio of
- The volume of air delivered in a medium capacity air compressor per unit time is
- In a jet propulsion
- The compressor capacity is defined as the
- The following property is most important for material used for gas turbine blade
- A large clearance volume in a reciprocating compressor results in
- In the axial flow gas turbine, the work ratio is the ratio of
- Which is false statement about multistage compression?
- In a double acting compressor, the air is compressed
- Pick up the wrong statement about advantages of multistage compression
- The maximum propulsion efficiency of a turbojet is attained at around following speed
- If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of…
- In which case the air-fuel ratio is likely to be maximum?
- After-cooler is used to
- Intercooling in gas turbines
- Gas turbine cycle with regenerator
- Actual compression curve is
- The thermodynamic efficiency of rotary compressor is based on
- The volumetric efficiency of a compressor
- The thrust of a jet propulsion power unit can be increased by
- In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone…
- In a centrifugal compressor, an increase in speed at a given pressure ratio causes
- A turboprop is preferred to turbojet because
- The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is
- Work ratio of a gas turbine may be improved by
- Surging is the phenomenon of
- Mechanical efficiency of gas turbines as compared to I.C engines is