Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called Specific heat at constant pressure kilo-Joule None of these Specific heat at constant volume Specific heat at constant pressure kilo-Joule None of these Specific heat at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Volume, if temperature is kept constant Absolute temperature, if volume is kept constant None of these Temperature Volume, if temperature is kept constant Absolute temperature, if volume is kept constant None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency depends upon Working condition Temperature range of operation Properties of the medium/substance used Condition of engine Working condition Temperature range of operation Properties of the medium/substance used Condition of engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is a reversible non-flow process? Hyperbolic process Isobaric process Isochoric process All of these Hyperbolic process Isobaric process Isochoric process All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle is maximum for Reversible engine Gas engine Steam engine Petrol engine Reversible engine Gas engine Steam engine Petrol engine ANSWER DOWNLOAD EXAMIANS APP
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