Question

The type of bond used in brick masonry for carrying heavy load is a) single flemish bond b) double flemish bond c) english bond d) zig-zag bond

Answer 1

The ignition temperature of paper and kerosene oil is low in comparision to wood or coal.Therefore, a burning paper or kerosene on wood is used to start fire in wood and coal.The paper and kerosene oil catch fire first.This fire cause wood and coal to attain their ignition temperature so that they also catch fire.