Choose the correct statement ________________?

Compressors, Gas Turbines and Jet Engines 02/04/2021

A. gas turbine requires lot of cooling water
B. gas turbine is capable of rapid start up and loading
C. gas turbines have flat efficiency at part loads
D. gas turbines have high standby losses and require lot of maintenance
E. gas turbines can be used to generate power only

Related Mcqs:

    1 m of air at atmospheric condition weighs approximately__________________?
    A. 0.5 kg B. 1.0 kg C. 1.3 kg D. 2.2 kg E. 3.2 kg...
    Cylinder clearance in a compressor should be _________________?
    A. as large as possible B. as small as possible C. about 50% of swept volume D. about 100% of swept volume E. none of the above...
    During base load operation, the best method of controlling compressor is ___________________?
    A. start-stop motor B. constant speed unloader C. relief valve D. variable speed E. none of the above...
    There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would__________________?
    A. remain same B. decrease C. increase D. unpredictable E. none of the above...
    In jet engines the compression ratio__________________?
    A. varies as square root of the speed B. Varies linearly to the speed C. varies as square of the speed D. varies as cube of the speed E. is constant irrespective of variation in speed...

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