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 The mass of excess air supplied is equal to (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (100/23) × Mass of excess carbon (23/100) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (100/23) × Mass of excess carbon (23/100) × Mass of excess carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When gas is heated at constant pressure, the heat supplied is utilized in Increasing the internal energy of gas and also for doing some external work Doing some external work None of these Increasing the internal energy of gas Increasing the internal energy of gas and also for doing some external work Doing some external work None of these Increasing the internal energy of gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/27th 1/273th 1/173th 1/93th 1/27th 1/273th 1/173th 1/93th ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Steam coal is a Pulverized coal Coking bituminous coal Non-coking bituminous coal Brown coal Pulverized coal Coking bituminous coal Non-coking bituminous coal Brown coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
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