Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. 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 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. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. 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 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 entropy of water at 0°C is assumed to be 2 -1 1 2 -1 1 ANSWER DOWNLOAD EXAMIANS APP
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 80°C 0°C 40°C 20°C 80°C 0°C 40°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules. 10 g 100 g 1000 g 1 g 10 g 100 g 1000 g 1 g ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Heat rejected Either heat absorbed or heat rejected Heat absorbed None of the listed here Heat rejected Either heat absorbed or heat rejected Heat absorbed None of the listed here ANSWER DOWNLOAD EXAMIANS APP