Hamad Compressors, Gas Turbines and Jet Engines 22/02/2021 A. isothermal B. isentropic C. adiabatic D. isochoric E. isobaric 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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