One tonne refrigerating machine means…….
A.One tonne is the total mass of the machine
B.One tonne of refrigerant is used
C.One tonne of water can be converted into ice
D.One tonne of ice when melts from at 00C in 24 hours,the refrigeration effect produced is equivalent to 210 kJ/min
Answer:D
One tonne refrigerating machine means…….
A.One tonne is the total mass of the machine B.One tonne of refrigerant is used C.One tonne of water can be converted into ice D.One tonne of ice when melts from at 00C in 24 hours,the refrigeration effect produced is equivalent to 210 kJ/min