A domestic refrigerator sits in a kitchen, switched on, with the refrigerator door wide open. The kitchen itself is well insulated and it can be assumed no heat can escape or enter the kitchen from the outside. Which of the following is the most accurate statement. a. The temperature in the kitchen will go down very slightly. O b. The temperature in the kitchen could go up or down, depending on the Coefficient of Performance (COP) of the refrigerator. O c. The temperature in the kitchen could go up or down depending on the mechanical efficiency of the compressor. O d. The temperature in the kitchen will stay the same. O e. The temperature in the kitchen will go up very slightly.

A domestic refrigerator sits in a kitchen, switched on, with the refrigerator door wide open. The kitchen itself is well insulated and it can be assumed no heat can escape or enter the kitchen from the outside. Which of the following is the most accurate statement. а. The temperature in the kitchen will stay the same. O b. The temperature in the kitchen could go up or down depending on the mechanical efficiency of the compressor. O c. The temperature in the kitchen will go down very slightly. d. The temperature in the kitchen could go up or down, depending on the Coefficient of Performance (COP) of the refrigerator. е. The temperature in the kitchen will go up very slightly.

Which of the following are correct and valid for the Kelvin-Plank statement? O a. Any device O b. Kelvin- Planck O c. It is possible for any O d. No heat engine can have a thermal O e. Kelvin- Planck O f. It is impossible O g. It is impossible for any device O h. It is impossible that statement statement to construct to construct of the second law is device that a device that a device that violates of the efficiency of 100 second law is the that operates in a cycle and produces no effect other than Kelvin- operates in a cycle and produces no effect other than operates negative statement, and a operates on a cycle to receive heat from a single reservoir Planck percent, or as for a positive statement, and a positive on a cycle to receive heat statement power plant to operate, the working fluid also violates negative statement the from a statement the transfer the transfer single reservoir and Clausius cannot be can be of heat from and of heat from a lower- temperature body to a higher-…

Which of the following is not a true statement about heat transfer?   a. Whenever the temperature of something changes, a transfer of heat has occurred.     b. Conduction is the transfer of heat by infrared rays.     c. Light bulbs are examples of heat transfer by radiation.     d. Convection occurs when a hot object moves to an area with less heat.