# Standard Mechnical Examinations on Locomotive Firing and Running: Being the Progressive Examinations for the First, Second, and Third Years

W. G. Wallace
F. J. Drake & Company, 1912 - Locomotives - 591 pages

### Popular passages

Page 523 - ... taken out of the station until the defective car is located and cut out. It should be done before damage occurs. Question 25.— Should the brakes be relased before uncoupling from train? Why? Answer 25. — Yes, in order that the cars can be switched and the car repairers can tap (test) the wheels or Jack up a journal box; also to prevent shoes from freezing to the wheels, and especially because a brake that is applied leaks so rapidly that in changing engines it may be found that much of the...
Page 212 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
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Page 210 - Useful Information To find the circumference of a circle, multiply the diameter by 3.1416. To find the diameter of a circle, multiply the circumference by .31831. To find the area of a circle, multiply the square of the diameter by .7854.
Page 592 - ... electrical wiring, armature and magnet winding, dynamo tending, elementary, electricity, wireless telegraphy and telephony, carpentry and architecture, concrete construction, plumbing and heating, sign and house painting, amusements, etc., etc. No matter what your ambition or desire for knowledge may be, we publish books written by authorities in their different lines that will give you just the training and information that you want and need. Write today for this up-to-date and complete illustrated...
Page 411 - Q. 103. What is generally the cause of failure of the second injector, and what should be done to obviate this failure? A. Infrequent use causes the various parts to corrode and check to lime over and stick. Frequent use and a trial before starting on trip will guard against such failures.
Page 275 - Getting New or Re-Built Locomotive Ready for Service. — In getting a new or re-built locomotive ready for service, disconnect oil pipes at steam chest, and blow out thoroughly both oil pipes and automatic steam chest valves : also disconnect coupling to air pump and see that choke is free. Do this several times while getting the engine ready for service.
Page i - Engineers and others who are interested in the use and operation of the machinery and machine tools in a modern machine shop. The first portion of the book is devoted to practical examples in Arithmetic. Decimal Fractions, Roots of Numbers. Algebraic Signs and Symbols, Reciprocals and Logarithms of Numbers, Practical Geometry and and Mensuration. Also Applied Mechanics — which includes: The lever. The wheel and pinion. The pulley, The inclined planes. The wedge The. screw and safety valve — Specific...
Page i - Twentieth Century Machine Shop Practice By L. ELLIOTT BROOKES The best and latest and most practical work published on modern machine shop practice. This book is intended for the practical instruction of Machinists. Engineers and others who are interested in the use and operation of the machinery and machine tools in a modern machine shop. The first portion of the book is devoted to practical examples in Arithmetic.
Page i - The best and latest and most practical work published en modern machine shop practice. This book is intended for the practical instruction of Machinists, Engineers and others who are interested in the use and operation of the machinery and machine tools in a modern machine shop. The first portion of the book is devoted to practical examples in Arithmetic, Decimal Fractions, Roots of Numbers, Algebraic Signs and Symbols, Reciprocals and Logarithms of Numbers, Practical Geometry and and Mensuration.