MCQOPTIONS
Saved Bookmarks
| 1. |
A 4 kW, 20 litre water heater is switched on for 10 minutes. The heat capacity Cp for water is 4 kJ/kg-K. Assuming all the electrical energy has gone into heating the water. The increase of the water temperature is |
| A. | 15°C |
| B. | 20°C |
| C. | 26°C |
| D. | 30°C |
| Answer» E. | |