Choose the correct statement
Gas turbine requires lot of cooling water
Gas turbine is capable of rapid start up and loading
Gas turbines has flat efficiency at part loads
Gas turbines have high standby losses and require lot of maintenance
- If the flow of air through the compressor is perpendicular to its axis, then it is a
- The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.
- The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram…
- The effective power of gas turbines is increased by adding the following in compressor
- In a jet propulsion
- There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum.…
- The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor…
- Pick up the wrong statement
- In air compressors, free air delivery means the
- The compression ratio for the compressor is always __________ unity.
- The maximum temperature in a gas turbine is
- Turbofan engine employs
- In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine…
- Which of the following statement is correct as regard to centrifugal compressors?
- To avoid moisture troubles, the branch connections from compressed air lines should be taken from
- The type of rotary compressor used in gas turbines, is of
- The compressor performance at higher altitude compared to sea level will be
- Volumetric efficiency is
- In axial flow compressor, exit flow angle deviation from the blade angle is a function of
- The pressure ratio in gas turbines is of the order of
- The main purpose of reheating in gas turbine is to
- Axial flow compressor has the following advantage over centrifugal compressor
- The volumetric efficiency of a compressor
- If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is…
- The volume of air delivered by the compressor is called
- A jet engine has
- For perfect intercooling in a three stage compressor
- In a jet engine, the air-fuel ratio is
- If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of…
- Phenomenon of choking in compressor means