A diesel engine piston has two compression and one oil control ring. What would probably be the recommended ring stagger?

A. 90 degrees
B. 120 degrees
C. 150 degrees
D. 180 degrees


Answer: B

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Technician A says that worn valve guides can cause excess oil consumption. Technician B says that valve guides can be measured with a dial bore gauge. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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When making comparisons among internationally competing countries, the following indicators are used:

Hard spots in the drum care caused by over-heating the brakes.

Answer the following statement true (T) or false (F)

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The dimensions of a square duct with a grooved seam are:  side = 8 inches; length = 2 1/2 feet; M = 1/8 inch.  Find in inches the value of W.S.

Fill in the blank(s) with the appropriate word(s).

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