Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 800 K 1000 K 1400 K 1200 K 800 K 1000 K 1400 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules May increase/decrease depending on the properties of gas Increases Remain constant Decreases May increase/decrease depending on the properties of gas Increases Remain constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Its heating value Surface tension of molecules Kinetic energy of molecules Repulsion of molecules Its heating value Surface tension of molecules Kinetic energy of molecules Repulsion of molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel From the finely ground coal by moulding under pressure with or without a binding material By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Reversible process Isothermal process Irreversible process Adiabatic process Reversible process Isothermal process Irreversible process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is None of these Less than one Equal to one Greater than one None of these Less than one Equal to one Greater than one ANSWER DOWNLOAD EXAMIANS APP
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