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Subject No. 9.— Tapping Water in Mines, and Mode of constructing Dams. 1, What precautions are necessary in approaching old workings known to contain dangerous accumulations of water? Describe fully, giving sketches. 2. Sketch and describe a dam capable of withstanding heavy pressure, and give considerations guiding you in selecting site of same. Subject No. 10. — Blasting, and the Use of Explosives. 1. Under what conditions would you adopt blasting in a coal-seam? What explosives would you use in fiery and non-fiery mines, and what precautions would you adopt to insure safety generally ? 2. In driving a tunnel from existing workings to a seam of coal expected to give off a large body of explosive gas,—(a) what measures would you take to insure safety, (b) what explosives would you use, (c) how would you fire the shots, and (d) assuming a blower of gas becomes ignited to an extent beyond what can be extinguished with wet bags, how would you extinguish the flame ? 3. Is coal-dust an element of danger in a mine ? If so, state under what conditions it is dangerous, and the various methods adopted for reducing the danger as far as practicable. Give advantages and disadvantages of same. Subject No. 11.— Effect of Faults on Coal-seams. 1. What is meant by the following : — (a.) Downthrow fault; (b.) Upthrow fault; (c.) Overlap fault. Show effect by sketches. 2. What is meant by the term "dyke" in coal-mining, and what is the effect of such on coal-seams? 3. Having driven against a downthrow fault, what steps would you take to ascertain amount of displacement, and how would you proceed to recover the seam and open out again ? Subject No. 12.— Knowledge of Arithmetic. 1. How much money is required to pay the following day-work wages to five men, and what is each man's share ?— First man, 4 days at 4s. 6d. a day ; Second man, 5f days at ss. a day; Third man, 6 days at 4s. 3d. a day; Fourth man, 2J days at 4s. 2d. a day; Fifth man, 3J days at 3s. lid. a day. 2. A collier receives £2 4s. for getting and filling 24 tons of coal, and he pays sd. a ton for filling : how much does he receive for getting ? 3. The wages of a company of miners at standard rate amounts to £15 10s. : what will the amount be if an advance of 27 per cent, on standard is made ? Subject No. 13. — A Knoivledge of the Provisions of " The Coal-mines Act, 1891." 1. Describe the provisions of the Act with regard to — (1.) Ventilation ; (2.) Reporting accidents; (3.) Shaft signals; (4.) Explosives; (5.) Duties of firemen and underground manager. 2. What are the principal points to be observed in managing a fiery mine in order to comply with the provisions of the Act ? 3. Give provisions of the Act regarding fencing of abandoned places, providing second outlet and refuge-holes.