Water Is Boiled at 300 KPa Pressure in a Pressure

Multiple Choice

Water is boiled at 300 kPa pressure in a pressure cooker. The cooker initially contains 3 kg of water. Once boiling started, it is observed that half of the water in the cooker evaporated in 30 minutes. If the heat loss from the cooker is negligible, the average rate of energy transfer to the cooker is

A) 2.3 kW
B) 136 kW
C) 3.6 kW
D) 1.80 kW
E) 0.9 kW