Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Under some conditions one value and sometimes two values of specific heat Only one value of specific heat Two values of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat Only one value of specific heat Two values of specific heat No value of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 8 kg of water 1 kg of water 9 kg of water 7 kg of water 8 kg of water 1 kg of water 9 kg of water 7 kg of water ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Both (A) and (B) None of these Do not change Change Both (A) and (B) None of these Do not change Change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it At atmospheric pressure Any pressure Not possible At a pressure greater than atmospheric pressure At atmospheric pressure Any pressure Not possible At a pressure greater than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency and work ratio of a simple gas turbine cycle are Low Very low Very high High Low Very low Very high High ANSWER DOWNLOAD EXAMIANS APP
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