93

C—2

Subject 4.— Arithmetic and Law : A Knowledge oj Mine Accounts; Fractions, Decimals, Percentages, Square Root, Area of Rectangle, Trapezoid, Circle, &c.; Measurement oj Timber; Calculation oj Worlcable Coal in a Mine, &c.; a Knowledge of the Coal-mines Act and Amendments. 1. The area of a square being 35-500 square feet, what is the length of its sides ? 2. How much would a miner earn for 11 days' work, filling on an average 4| tons per day, at 2s. 4|d. per ton ? 3. Multiply I of 37 by § of 86. 4. In driving a heading 6 ft. 6 in. by 6 ft. by 120 yards long, the men to be paid at 9s. 6d. per cubic yard, how much will the work cost ? 5. How many square yards in a quadrilateral piece of land, one side being 40 yards long, parallel side 60 yards, the sides being 10 yards apart ? Knowledge oj Coal-mines Act. 1. State briefly the provisions of the Coal-mines Act, 1908, and amendments, relating to — (a.) Ventilation. (&.) Examination before men enter workings, (c.) Safety-lamps and their treatment. (d.) Minimizing dangers from ignition of fire-damp and coaldust. In answering above, quote numbers of section or rule referred to.