Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive Positive or negative None of these Negative Positive Positive or negative None of these Negative ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Free expansion takes place No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system Free expansion takes place No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isentropic expansion Isothermal compression Isentropic compression Isothermal expansion Isentropic expansion Isothermal compression Isentropic compression Isothermal expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 848 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under Steady change of pressures High range of pressures Only small range of pressures All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures All ranges of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Remains at the same temperature Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Remains at the same temperature ANSWER DOWNLOAD EXAMIANS APP
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