Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isothermal Flow is uniform and steady Process is isentropic Process is isentropic and specific heat does not change with temperature Process is isothermal Flow is uniform and steady Process is isentropic Process is isentropic and specific heat does not change with temperature 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 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 1 - (T2/T1) 1 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel. Combustion Atomization Carbonization None of these Combustion Atomization Carbonization None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The calorific value of gaseous fuel is expressed in kJ/m3 kJ/m2 kJ/kg kJ kJ/m3 kJ/m2 kJ/kg kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to T J Vr J² T J Vr J² ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of temperature in S.I. units is Centigrade Celsius Fahrenheit Kelvin Centigrade Celsius Fahrenheit Kelvin ANSWER DOWNLOAD EXAMIANS APP
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