Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to -ve Anywhere between zero and infinity Zero +ve -ve Anywhere between zero and infinity Zero +ve ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its temperature Raising its volume Raising its temperature and doing external work Raising its pressure Raising its temperature Raising its volume Raising its temperature and doing external work Raising its pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 v1/v2 (v1 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 (v1 + v2)/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be 400 m3/kg mol 41.7 m3/kg mol 4.17 m3/kg mol 0.15 m3/kg mol 400 m3/kg mol 41.7 m3/kg mol 4.17 m3/kg mol 0.15 m3/kg mol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which is the incorrect statement about Carnot cycle? All of these It is used as the alternate standard of comparison of all heat engines All the heat engines are based on Carnot cycle It provides concept of maximising work output between the two temperature limits All of these It is used as the alternate standard of comparison of all heat engines All the heat engines are based on Carnot cycle It provides concept of maximising work output between the two temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator ANSWER DOWNLOAD EXAMIANS APP
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