Engineering Thermodynamics The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv). None of these Equal to Less than More than None of these Equal to Less than More than 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 pressure 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 Any one of the above The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure 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 Any one of the above 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 gradually warmed up The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The temperature of the air in room will remain unaffected The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The temperature of the air in room will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat energy stored in the gas and used for raising the temperature of the gas is known as Internal energy Molecular energy External energy Kinetic energy Internal energy Molecular energy External energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these Does some external work during expansion Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these Does some external work during expansion 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 There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source ANSWER DOWNLOAD EXAMIANS APP
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