Engineering Thermodynamics Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as Second law of thermodynamics Zeroth law of thermodynamics Kinetic theory of gases First law of thermodynamics Second law of thermodynamics Zeroth law of thermodynamics Kinetic theory of gases First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero Heat transfer is zero Work done is zero but heat increases Both (A) and (B) above Work done is zero Heat transfer is zero Work done is zero but heat increases Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of 0°C None of these -273°C 273 K 0°C None of these -273°C 273 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle is maximum for Gas engine Reversible engine Steam engine Petrol engine Gas engine Reversible engine Steam engine Petrol engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen is __________ times heavier than the hydrogen atom. 14 16 32 12 14 16 32 12 ANSWER DOWNLOAD EXAMIANS APP
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