Curioustab

Home » Mechanical Engineering » Compressors, Gas Dynamics and Gas Turbines

High air-fuel ratio in gas turbines

increases power output
improves thermal efficiency
reduces exhaust temperature
do not damage turbine blades

Correct Answer: reduces exhaust temperature

← Previous Question Next Question→

More Questions from Compressors, Gas Dynamics and Gas Turbines

If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)
In a four stage compressor, if the pressure at the first and third stage are 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
In axial flow compressor, exit flow angle deviation from the blade angle is a function of
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in __________ of the piston.
In a reciprocating air compressor, the compression work per kg of air
The inlet pressure is always __________ the discharge pressure.
The volumetric efficiency for reciprocating air compressors is about
Intercooling in compressors results in saving of power in compressing given volume of air to a given pressure.
The maximum delivery pressure in a rotary air compressor is
Gas turbine as compared to steam turbine

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion