(14) Mention the best way in which to become familiar with the operation of a stove.
(15) (a) Of what value is gas as a fuel? (b) What kind of gas flame is best for cooking?
(16) Suppose that a gas meter registers 72,500 cubic feet on March 1, and that on April 1 the hand of the left dial is between 7 and 8, that of the middle dial is between 5 and 6, and that of the right dial is at 5. At 90 cents a 1,000 cubic feet, what is the cost of the gas consumed?
(17) (a) How is heat produced in a stove? (b) What is the purpose of the dampers of a stove?
(18) (a) How should the dampers of a coal range be adjusted so as to heat the oven for baking? (b) How should they be adjusted for cooking on top of the stove?
(19) (a) What is the purpose of a mixer on a gas stove? (b) How may a gas stove be kept in good condition?
(20) How may the burners of a kerosene stove be kept clean?