Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Isothermal process Reversible process Adiabatic process Irreversible process Isothermal process Reversible process Adiabatic process Irreversible process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Pulverized coal Hard coal Soft coal Bituminous coal Pulverized coal Hard coal Soft coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its volume Raising its temperature and doing external work Raising its temperature Raising its pressure Raising its volume Raising its temperature and doing external work Raising its temperature Raising its pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Joule's law Gay-Lussac law Charles' law Boyle's law Joule's law Gay-Lussac law Charles' law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 15 to 20 20 to 30 5 to 8 3 to 6 15 to 20 20 to 30 5 to 8 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
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