Physics (AS & A Level) · Feb / March 2018 · Paper 12 · Question 17

A small diesel engine uses a volume of 1.5 × 10⁴ cm³ of fuel per hour to produce a useful power output of 40 kW. It may be assumed that 34 kJ of energy is transferred to the engine when it uses 1.0 cm³ of fuel. What is the rate of transfer from the engine of energy that is wasted?

1. A102 kW
2. B142 kW
3. C182 kW
4. D470 kW

As printed in the paper