Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Change Both (A) and (B) None of these Do not change Change Both (A) and (B) None of these Do not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Carnot Stirling Brayton Rankine Carnot Stirling Brayton Rankine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Maximum Minimum Infinity Zero Maximum Minimum Infinity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? 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. All the reversible 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 and specific heat does not change with temperature Process is isothermal Process is isentropic Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isothermal Process is isentropic Flow is uniform and steady ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Adiabatic process Irreversible process Isothermal process Reversible process Adiabatic process Irreversible process Isothermal process Reversible process ANSWER DOWNLOAD EXAMIANS APP
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