Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isentropic Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isothermal Process is isentropic Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isothermal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 760 mm of Hg 1013 × 102 N/m2 1.013 bar All of these 760 mm of Hg 1013 × 102 N/m2 1.013 bar All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Constant volume process Constant pressure process Isothermal process Adiabatic process Constant volume process Constant pressure process Isothermal process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of temperature in S.I. units is Fahrenheit Centigrade Kelvin Celsius Fahrenheit Centigrade Kelvin Celsius ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which is the incorrect statement about Carnot cycle? All the heat engines are based on Carnot cycle It provides concept of maximising work output between the two temperature limits All of these It is used as the alternate standard of comparison of all heat engines All the heat engines are based on Carnot cycle It provides concept of maximising work output between the two temperature limits All of these It is used as the alternate standard of comparison of all heat engines ANSWER DOWNLOAD EXAMIANS APP
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