Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 1.013 bar 760 mm of Hg 1013 × 102 N/m2 All of these 1.013 bar 760 mm of Hg 1013 × 102 N/m2 All of these 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 None of these Absolute temperature, if volume is kept constant Volume, if temperature is kept constant Temperature None of these Absolute temperature, if volume is kept constant Volume, if temperature is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of 0°C 273 K -273°C None of these 0°C 273 K -273°C None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvn = C pv = m R T pvγ = C pv = C pvn = C pv = m R T pvγ = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which All of these The change in internal energy is equal to the mechanical work done The temperature of the gas changes No heat enters or leaves the gas All of these The change in internal energy is equal to the mechanical work done The temperature of the gas changes No heat enters or leaves the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant Decreasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP