Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Constant pressure process Adiabatic process Constant volume process Isothermal process Constant pressure process Adiabatic process Constant volume process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Internal energy Entropy Temperature Enthalpy Internal energy Entropy Temperature Enthalpy ANSWER DOWNLOAD EXAMIANS APP
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 1400 K 800 K 1200 K 1000 K 1400 K 800 K 1200 K 1000 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 1.41 0.1 0.17 0.24 1.41 0.1 0.17 0.24 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 10 to 20 3 to 6 15 to 30 5 to 8 10 to 20 3 to 6 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
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