Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 40°C 80°C 0°C 20°C 40°C 80°C 0°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 327°C 54°C 654°C 108°C 327°C 54°C 654°C 108°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. None of these Decreases Increases Remains constant None of these Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Heat and work are Path functions Intensive properties System properties Point functions Path functions Intensive properties System properties Point functions ANSWER DOWNLOAD EXAMIANS APP
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