Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles is not a reversible cycle? Stirling None of the listed here Ericsson Carnot Stirling None of the listed here Ericsson Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules. 1 g 1000 g 10 g 100 g 1 g 1000 g 10 g 100 g ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Pressure Volume Internal energy Temperature Pressure Volume Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 1.086 1.086 0.086 4.086 1.086 1.086 0.086 4.086 ANSWER DOWNLOAD EXAMIANS APP
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