In S.J. unit, one ton of refrigeration is equal to___________________?
A. 210 kJ/min
B. 21 kJ/min
C. 420 kJ/min
D. 840 kJ/min
E. 105 kJ/min
A. 210 kJ/min
B. 21 kJ/min
C. 420 kJ/min
D. 840 kJ/min
E. 105 kJ/min