__Ask a Question__

### Question Asked by a Student from EXXAMM.com Team

** Q 3160291115. ** `10` kg of water at `30°C` is heated to its boiling point

on a stove that uses LPG as fuel. If the efficiency of

the stove is `70%,` then find the mass of the fuel that is

consumed. Take the calorific value of LPG (Butane)

as `55,000 k J kg^(- 1)` .