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TB 600-1
ing water is controlled by shutters both automatic and hand operated The normal effective operating temperature is:
a. 100 to 140 degrees.
b. 140 to 160 degrees.
c. 160 to 185 degrees.
20. Operating water levels should be checked and the system Inspected:
a. Daily.
b. Weekly.
c. Semiannually.
21. The cooling system of a hot engine has been drained, it should be filled immediately with:
a. Cold water.
b. Slowly with water.
c. After engine has cooled down, slowly with warm or hot water.
22. The cooling system should not be filled above the maximum level to prevent:
a. The engine from running cool.
b. The loss of antifreeze or rust inhibitor.
c. The water pumps from being overloaded.
23. Oil under pressure Is forced thru the engine for lubricating and cooling purposes What is meant by the oil level:
a. The oil In the crankshaft.
b. The oil registered on the dip stick with the engine idling and warm.
c. The oil pressure registered in the cab.
24. The oil level and oil pressure should be checked when:
a. You think the oil is low.
b. Before starting the engine and later when the engine is operating and warm.
c. The engine needs repairs.
25. The lubricating oil pan, lines and filters must be inspected for leaks:
a. Daily with the engine warm and running.
b. With the engine cold and shut down.
c. Monthly, or when you think of It.
26. The engine has been running and the oil pressure has been low, when suddenly a light appears in the cab and
the engine stops What is wrong:
a. Engine is out of fuel.
b. The low oil pressure or the hot engine switch has "kicked out" or tripped, stopping the engine.
c. The brakes have applied.
27. If the engine speed is set from 275 to 300 rpm at idle and 800 to 1000 rpm at full throttle, what will prevent the
engine speed from exceeding the full throttled speed:
a. The fuel pump.
b. The load regulator.
c. The overspeed trip (A device that must be manually reset after it has tripped).
28. Some locomotives have cylinder test drains, what are their functions:
a. To check the top of the pistons.
b. To test the cylinder for water leaks from around gaskets and seals prior to starting.
c. To clean carbon from pistons.
29. The fuel system consists of the following Items:
a. Fuel tanks, fuel pumps, lines, filters and injectors.
b. Fuel tank and pump.
c. A fueling system.
30. The emergency fuel cutoff valve is:
a. A manually operated valve to cut off the fuel supply from the tank to the engine.
b. An air operated valve to the fuel pump.
c. A valve used to fill fuel tank.
31. Why must the air system be drained and how often:
a. To prevent dirt from collecting in air system-weekly.
b. To prevent moisture from collecting in air system and being carried into the air brake and control valves,
drained daily.
c. Don't drain until needed.
32. The sanding system must be checked in the following manner:


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