Engineering Thermodynamics Which of the following is the correct statement? 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. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of Two constant volume and two isentropic processes Two isothermal and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two isothermal and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Volume Pressure Internal energy Temperature Volume Pressure Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is an irreversible cycle? Ericsson None of these Stirling Carnot Ericsson None of these Stirling Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcv (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mR (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One Joule (J) is equal to 10 kN-m/s 1 N-m 1 kN-m 10 N-m/s 10 kN-m/s 1 N-m 1 kN-m 10 N-m/s ANSWER DOWNLOAD EXAMIANS APP
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