Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 9 kg of water 1 kg of water 7 kg of water 8 kg of water 9 kg of water 1 kg of water 7 kg of water 8 kg of water ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Negative Positive or negative Positive None of these Negative Positive or negative Positive None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Greater than Diesel cycle Less than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle Less than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle and greater than Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 43834 43835 2 Zero 43834 43835 2 Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases ANSWER DOWNLOAD EXAMIANS APP
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