MCQOPTIONS
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| 1. |
Water at 27°C is heated in an electric geyser of capacity 2 kW. If the geyser is filled with 20 L of water and heated for a duration of 20 minutes, find the temperature of water neglecting all the heat losses, assuming pressure inside the geyser as constant. (Take specific heat of the water as 5 kJ/kg) |
| A. | 72°C |
| B. | 51°C |
| C. | 65°C |
| D. | 40°C |
| Answer» C. 65°C | |