Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Volume Internal energy Temperature Pressure Volume Internal energy Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One watt is equal to 1 Nm/s 1 Nm/hr 1 N/m 1 kNm/hr 1 Nm/s 1 Nm/hr 1 N/m 1 kNm/hr ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to 1 0.75 1.35 1.27 1 0.75 1.35 1.27 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Temperature Absolute temperature, if volume is kept constant None of these Volume, if temperature is kept constant Temperature Absolute temperature, if volume is kept constant None of these Volume, if temperature is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Maximum Infinity Zero Minimum Maximum Infinity Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
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