Engineering Thermodynamics Reversed joule cycle is called Bell Coleman cycle Brayton cycle Carnot cycle Rankine cycle Bell Coleman cycle Brayton cycle Carnot cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When beat is being rejected, temperature of cold source and working substance should be same All of these 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 When beat is being rejected, temperature of cold source and working substance should be same All of these 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 Which of the following statement is correct according to Clausis statement of second law of thermodynamics? It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. None of these It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. None of these It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat at constant volume is The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure Any one of the above The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure Any one of the above The amount of heat required to raise the temperature of 1 kg of water through one degree ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Isothermally None of these Isentropically Polytropically Isothermally None of these Isentropically Polytropically ANSWER DOWNLOAD EXAMIANS APP
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