A. Yes.

64.  Q. What causes the mouth of burner to corrode?

A. The asphaltum and sand contained in the oil.

65.  Q. How can this be removed on the road?

A. By having a hook or rod provided with a point that can be inserted into mouth of burner.

66.  Q. Why should a fuel oil tank not be filled to its holding capacity?

A. Because when heater is applied the oil would expand and overflow.

67.  Q. In case of derailment or other accident that might cause the fireman to desert his position in cab, what should he do?

A. Pull key out of safety valve rod, thereby allowing oil feed from tank to be shut off.

=Mechanical examination=

THIRD SERIES

1.  Q. What are the duties of an engineman before attaching a locomotive to the train?

A. He should make a complete inspection of the locomotive, observing all important nuts and bolts, look for any signs of hot bearings on previous trip, see that the engine is equipped with necessary tools and supplies, test both of the injectors and the air brake equipment to be sure they are in good working order, see that headlight and signal lamps are in place and ready for service, observe water conditions in boiler, inspect the interior of the fire-box and see that the locomotive is properly lubricated.

2.  Q. What tools should there be on the locomotive?

A. Such as are necessary to properly operate the locomotive, care for the machinery, disconnect and block up in case of breakdown and the necessary firing tools.

3.  Q. What examination should be made after any repair work has been done on valve, brasses, etc.?

A. See that brasses are properly fitted, keys fastened and nuts made tight.  If any repairs have been made on valves or valve gear, would see that the reverse lever could be moved freely and that all movable parts had been properly replaced; would also give especial attention with reference to lubrication of these parts.

4.  Q. What attention should be given to boiler attachments, such as gauge cocks, water glasses, etc.?

A. Would see that the gauge cocks can be opened to try the water and closed, so steam and water would not come out into cab.  Observe the water glass and note if water is moving up and down in the glass, see that the steam valve at the top and water valve at bottom of glass could be opened and closed, and allow water and steam to circulate freely through the glass.

5.  Q. What do you consider necessary to report on locomotive boilers?

A. Should report all defects on boiler and its attachments while engine is in engineer’s charge.

6.  Q. Trace the steam from the boiler through the cylinders to the atmosphere and explain how it transmits power.