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Subject XII.— A Knowledge of Arithmetic, and the Method of Keeping Accounts. 1. How many cubic feet would be excavated in sinking a shaft 12ft. diameter for a depth of 160 ft. ? 2. A brick wall is 900 square feet, and one half-brick in thickness : how many bricks does it contain ? 3. Five men at 135., two at 125., and nineteen at 10s. 6d. per day: what will the amount of the week's pay be '? 4. What is the square root of 1,156? Subject Xlll.—it Knowledge of the Provisions of " The Goal-mines Act, 1891."

Questions used in Examination for Certificates as Engine-drivers working Windingmachinery. First Day.—Time : 9 a.m. to 12 noon. [Candidates must attempt to answer every question. All calculations to be shown in detail.] SUBJECT 1. On the Different Glasses of Steam-engines used in Winding; and also all the Internal and Moving Parts. No. 1. Mention all the different types of steam-engines used for winding. No. 2. Describe a piston; mention all its parts and their respective uses. No. 3. How would you ascertain if your piston was steam-tight ? No. 4. Describe a feed-pump; mention all its parts, and for what purpose each part is required. No. 5. If feed-pump failed to work, what part would you examine for defects ? No. 6. What speed per minute do you consider it safe to wind men up a shaft, and what speed material ? No. 7. In what respect does a winding-engine differ from an ordinary steam-engine ? No. 8. Describe a slide-valve—where placed, how driven, and for what purpose it is required. No. 9. Describe in detail all you consider an engine-driver should do before starting a windingengine. SUBJECT 2. On the Different Appliances and Indicators used to show the Position of Gage in Shaft, or Truck on Plane, in which Persons are conveyed; also Meaning of the different Signals used in Mines. No. 1. How is the position of cage in shaft, or truck on plane, made known to engine-driver? No. 2. Describe an indicator which complies with the above conditions. No. 3. Describe the methods of signalling from different parts of the shaft to the engine-driver. No. 4. Describe the different methods of signalling from any part of a plane to the engine-driver. No. 5. What are the regulations under the Coal-mines Act when the cage is required to lift, stop, and lower—and if any difference when drawing men or material ? No. 6. Describe any other methods of signalling you are acquainted with.

First Day.—Time : 2 p.m. to 5 p.m. SUBJECT 3. On the Different Kinds of Boilers used for Winding-engines and their Connections; the Effect of Impurities in Water used in such Boilers; and the different Remedies adopted to keep them Glean. No. 1. Describe a Lancashire boiler. No. 2. Mention all the necessary fittings and mountings required for a Lancashire boiler. No. 3. Give a description of a low-water alarm. No. 4. What are fusible plugs, where fitted, and for what purpose ? No. 5. If water became dangerously low in a boiler at work, what precautions would you adopt to prevent an accident ? No. 6. What would be the result if your feed-check got set fast with valve open ? also, if valve was shut ? No. 7. What parts of a Cornish or Lancashire boiler require special attention if the water used is impure ? No. 8. What ingredients would be required to remove the impurities in a boiler using limestone water ? SUBJECT i. On the Different Appliances used for Winding with Hydraulic Machinery, and the Methods adopted for letting on and shutting off the Water. No. 1. In what respect does a reversing wheel differ from an ordinary wheel? No. 2. Is a brake necessary on a reversing wheel; if so, where should it be placed ? No. 3. Can a Pelton wheel be used for winding ; if so, what gear, if any, is necessary for its adoption ? No. i. Can a turbine wheel be used for winding; if so, what is required for its adoption? No. 5. What is a sluice-valve, where fitted, and for what purpose ?