Engineering Thermodynamics An adiabatic process is one in which The change in internal energy is equal to the mechanical work done All of these No heat enters or leaves the gas The temperature of the gas changes The change in internal energy is equal to the mechanical work done All of these No heat enters or leaves the gas The temperature of the gas changes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics General gas equation is PV=KiRT PV=mRT PV=nRT PV = C PV=KiRT PV=mRT PV=nRT PV = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to Anywhere between zero and infinity +ve Zero -ve Anywhere between zero and infinity +ve Zero -ve ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of one bar (in S. I. units) is equal to 1 × 104 N/m2 1 × 102 N/m2 1 × 105 N/m2 1 × 103 N/m2 1 × 104 N/m2 1 × 102 N/m2 1 × 105 N/m2 1 × 103 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Increases Decreases Remain constant First increases and then decreases Increases Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
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