Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Pressure Temperature All of these Volume Pressure Temperature All of these Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which is the incorrect statement about Carnot cycle? All of these All the heat engines are based on Carnot cycle It provides concept of maximising work output between the two temperature limits It is used as the alternate standard of comparison of all heat engines All of these All the heat engines are based on Carnot cycle It provides concept of maximising work output between the two temperature limits It is used as the alternate standard of comparison of all heat engines ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 3 Ru × T Ru × T 1.5 Ru × T 2 Ru × T 3 Ru × T Ru × T 1.5 Ru × T 2 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Remain unchanged Increase Decrease Increase/decrease depending on application Remain unchanged Increase Decrease Increase/decrease depending on application ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it At a pressure greater than atmospheric pressure Not possible Any pressure At atmospheric pressure At a pressure greater than atmospheric pressure Not possible Any pressure At atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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