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1. |
10 Kg of water is pumped to a height of 2 m, the enthalpy is changed by 15 J/Kg, and work done by the motor is 50 J/Kg, assuming system is insulated what is the change in internal energy of water? |
A. | t50 J |
B. | t100 J |
C. | t150 J |
D. | t200 J |
Answer» D. t200 J | |