Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Decreases Increases Remain constant First increases and then decreases Decreases Increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The sum of internal energy (U) and the product of pressure and volume (p.v) is known as Enthalpy Work done Entropy Power Enthalpy Work done Entropy Power ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 + (T2/T1) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these 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 Total heat of a substance is also known as Entropy Thermal capacity Enthalpy Internal energy Entropy Thermal capacity Enthalpy Internal energy ANSWER DOWNLOAD EXAMIANS APP