Читать книгу The Gunner's Examiner - Harold E. Cloke - Страница 14

(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.

Describe a plotting board. Explain the method of computing the time from any plotted point to a mine. Act as plotter.

(d) Batteries, Generators, and Searchlights assigned to the Company of which the Candidate is a Member.

Name the batteries used in mine work. Describe the casemate battery. What precautions are necessary in keeping it in order? What is used as the signal battery in mine work? Describe a searchlight. Describe parts of generators and important points to be observed in caring for them.

(e) Apparatus and Operation of Casemate Switchboard and Care and Use of Telephone.

Name the apparatus of the switchboard. Explain how to fire a mine by judgment, and how to start the motor generator. Explain how to test mine and cable ends. How are boat telephones operated? Name the parts of fire-control telephones used in mine-commander stations, and give the principal points to be observed in operating them.