Name the important knots used in mine work and explain how to make four of them. The mooring rope of a heavy weight cannot pass over the winch, but lifting must be done with the fall; explain the method of proceeding.
(e) U. S. Magazine Rifle.—Nomenclature of the piece, kind and weight of powder used, description and weight of projectile, muzzle velocity. Setting of sight for range and deflection.
FIRST-CLASS GUNNERS.
(a) Care and Preservation of Mine Material.
Name the supplies necessary for cleaning mine material. Name those used in preserving it, stating for what each is used, and how certain ones (to be selected by the examiner) are applied.
(b) Handling High Explosives.
What high explosives are used in mines? What are the important precautions to be taken in loading mines? How is frozen dynamite thawed? Where is the main supply of explosive kept, and how much is taken out at one time to the explosive house near the loading-room?
(c) Knowledge and Use of Azimuth Instrument and Plotting Board.
Names of important parts. Set up the instrument with given data. Read angles from instrument. Act as observer. Act as reader.