What is a refrigerator ?

1 Answer

Answer :

answer:

Related questions

Description : Define the performance coefficient of a refrigerator. ?

Last Answer : : The ratio of heat removed from low temperature heat to work performed by an outside company is called the performance coefficient of the refrigerator.

Description : In a refrigerator, by which is cooling is produced?

Last Answer : – By the evaporation of a volatile liquid

Description : In a refrigerator what produces the cooling? (1) The ice which deposits on the freezer (2) The sudden expansion of a compressed gas (3) The evaporation of a volatile liquid (4) None of these

Last Answer : (4) None of these Explanation: Basically, refrigeration system consists of devices that compress and expand refrigerant gas. When refrigerant gas is compressed it expels heat and when it is suddenly ... inside of the fridge is cooled to a temperature below the ambient temperature of the room.

Description : The gas used in a refrigerator is - (1) cooled down on flowing (2) heated up on flowing (3) cooled down when compressed (4) cooled down when expanded

Last Answer : (4) cooled down when expanded Explanation: Common refrigerants used in various applications are ammonia, sulfur dioxide, and non-halogenated hydrocarbons such as propane. Compressing these gasses into liquids they are made to give up their heat.

Description : In a refrigerator, the cooling system should always be – (1) at the top (2) at the bottom (3) at the middle (4) can be anywhere

Last Answer : (2) at the bottom Explanation: The compressor is the motor (or engine) of the cooling system. It is normally at the bottom of the refrigerator in the back. The compressor runs whenever the refrigerator thermostat calls for cooling.

Description : It is a very hot day. You are in a special kitchen, in that there are no exits and the walls of this kitchen are thermally very well insulated. If you open the refrigerator door, the room will eventually: w) cool off. x) remain the same. y) heat up.

Last Answer : ANSWER: Y -- HEAT UP.

Description : In a refrigerator, the cooling system should always be (1) at the top (2) at the bottom (3) at the middle (4) can be anywhere

Last Answer : at the bottom

Description : In a refrigerator what produces the cooling ? (1) The ice which deposits on the freezer (2) The sudden expansion of a compressed gas (3) The evaporation of a volatile liquid (4) None of these

Last Answer : None of these