Engineering Thermodynamics If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Temperature Pressure Volume Enthalpy Temperature Pressure Volume Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents None of the listed here Heat rejected Either heat absorbed or heat rejected Heat absorbed None of the listed here Heat rejected Either heat absorbed or heat rejected Heat absorbed ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated, change takes place in Temperature Pressure All of the listed here Volume Temperature Pressure All of the listed here Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The same volume of all gases would represent their Gas characteristic constants Densities Molecular weights Specific weights Gas characteristic constants Densities Molecular weights Specific weights ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Hard coke Pulverized coal Bituminous coal Soft coke Hard coke Pulverized coal Bituminous coal Soft coke ANSWER DOWNLOAD EXAMIANS APP
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