Pick up the wrong statement ?

Compressors, Gas Turbines and Jet Engines 05/01/2021

A. pulsojet requires no ambient air for propulsion
B. ramjet-engine has no turbine
C. turbine drives compressor in a burbojet
D. bypass turbo-jet engine increases the thrust without adversely affecting, the propulsive efficiency and fuel economy
E. propeller is an indirect reaction device

Related Mcqs:

    The overall isothermal eiffciency of compressor is defined as the ratio of_______________?
    A. isothermal h.p. to the BHP of motor B. isothermal h.p. to adiabatic h.p. C. power to drive compressor to isothermal h.p. D. work to compress air isothermally to work for actual compression E. isothermal work to ideal work...
    In multistage compressor, the isothermal compression is achieved by_________________?
    A. employing intercooler B. by constantly cooling the cylinder C. by running compressor at very slow speed D. by insulating the cylinder E. none of the above...
    For a compressor, least work will be done if the compression is________________ ?
    A. isentropic B. isothermal C. polytropic D. somewhere in between isentropic and isothermal E. none of the above...
    The work ratio of simple gas turbine cycle depends on_________________?
    A. pressure ratio B. maximum cycle temperature C. minimum cycle temperature D. all of the above E. none of die above...
    If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches _________________?
    A. isothermal B. isentropic C. adiabatic D. isochoric E. isobaric...

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