Networks Analysis and Synthesis - Engineering

Q1:

The electric energy required to raise the temperature of a given amount of water is 1000 kWh. If heat losses are 25%, the total heating energy required is __________ kWh.

A 1500

B 1250

C 1333

D 1000

ANS:B - 1250

Total heating energy required = 1000 kWh + 25% of 1000 kWh.