Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Pressure All of these Volume Temperature Pressure All of these Volume Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is increased Cut-off is decreased Cut-off is constant Cut-off is zero Cut-off is increased Cut-off is decreased Cut-off is constant Cut-off is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When beat is being rejected, temperature of cold source and working substance should be same 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 The efficiency of the Carnot cycle may be increased by Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature Increasing the lowest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature Increasing the lowest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Minimum work in compressor is possible when the value of adiabatic index ānā is equal to 1 1.35 0.75 1.27 1 1.35 0.75 1.27 ANSWER DOWNLOAD EXAMIANS APP