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Gas Turbines and Jet Engines

The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________?

The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________?

A. same
B. higher
C. lower
D. uncomparable
E. unpredictable

The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________? Read More »

Compressors, Gas Turbines and Jet Engines

In jet propulsion power unit, the inlet duct of diverging shape is used in order to _______________ ?

In jet propulsion power unit, the inlet duct of diverging shape is used in order to _______________ ?

A. collect more air
B. convert kinetic energy of air into pres-sure energy
C. provide robust structure
D. beautify the shape
E. none of the above

In jet propulsion power unit, the inlet duct of diverging shape is used in order to _______________ ? Read More »

Compressors, Gas Turbines and Jet Engines

A rocket works with maximum overall efficiency when air craft velocity is equal to the_________________?

A rocket works with maximum overall efficiency when air craft velocity is equal to the_________________?

A. jet velocity
B. twice the jet velocity
C. half the jet velocity
D. average of the jet velocity
E. no such co-relationship with jet velocity exists

A rocket works with maximum overall efficiency when air craft velocity is equal to the_________________? Read More »

Compressors, Gas Turbines and Jet Engines

In the cross compounding of the gas turbine plant__________________?

In the cross compounding of the gas turbine plant__________________?

A. h.p. compressor L connected to h.p. turbine and l.p. compressor ot l.p. tur-bine
B. h.p. compressor is connected to l.p. turbine and l.p. compressor is con-nected to h.p. turbine
C. both the arrangements can be employed
D. all are connected in series
E. none of the above

In the cross compounding of the gas turbine plant__________________? Read More »

Compressors, Gas Turbines and Jet Engines