Engineering Thermodynamics Brayton cycle consists' of following four processes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Design of engine Temperatures of source and sink Working substance Size of engine Design of engine Temperatures of source and sink Working substance Size of engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Greater than one Less than one None of these Equal to one Greater than one Less than one None of these Equal to one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The same volume of all gases would represent their Densities Gas characteristic constants Specific weights Molecular weights Densities Gas characteristic constants Specific weights Molecular weights ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isentropic compression Isothermal compression Isentropic expansion Isothermal expansion Isentropic compression Isothermal compression Isentropic expansion Isothermal expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Either heat absorbed or heat rejected Heat rejected Heat absorbed None of the listed here Either heat absorbed or heat rejected Heat rejected Heat absorbed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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