A gas turbine used in air craft should have
High h.p. and low weight
Low weight and small frontal area
Small frontal area and high h.p.
High speed and high h.p
- The compression ratio for the compressor is always __________ unity.
- If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of…
- The maximum propulsion efficiency of a turbojet is attained at around following speed
- The compressed air may be used
- Volumetric efficiency of a compressor decreases with ________ in compression ratio.
- Which of the following statement is correct?
- Inter-cooling in gas turbine results in
- What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt?
- The pressure and temperature conditions of air at the suction of compressor are
- In the aircraft propellers
- In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of
- The efficiency of a jet engine is higher at
- Which is false statement about advantages of multistage compressor in comparison to single stage compressor?
- In axial flow compressor, exit flow angle deviation from the blade angle is a function of
- The overall isothermal efficiency of the compressor is defined as the ratio of
- Rotary compressor is best suited for
- A compressor at high altitude will draw
- For a two stage reciprocating compressor, compression from p₁ to p₃ is with perfect intercooling…
- The ratio of work done per cycle to the swept volume in case of compressor is called
- Rotary compressors are used for delivering
- The material commonly used for air craft gas turbine is
- The indicated work per unit mass of air delivered is
- 1 m of air at atmospheric condition weighs approximately
- Euler's equation can be used for
- The ratio of isentropic work to Euler work is known as
- Open cycle gas turbine works on
- The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)
- The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
- The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is
- Water gas is produced by