Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant volume Constant entropy Constant temperature Constant pressure Constant volume Constant entropy Constant temperature Constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Adiabatic process Polytropic process Isothermal process Hyperbolic process Adiabatic process Polytropic process Isothermal process Hyperbolic process 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
Engineering Thermodynamics The unit of pressure in S.I. units is kg/cm² Dyne per square cm Pascal mm of water column kg/cm² Dyne per square cm Pascal mm of water column ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas Increases the temperature of the gas Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas Increases the temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle is also known as Constant volume cycle Constant temperature and pressure cycle Constant temperature cycle Constant pressure cycle Constant volume cycle Constant temperature and pressure cycle Constant temperature cycle Constant pressure cycle ANSWER DOWNLOAD EXAMIANS APP
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