When a transmission is removed from a heavy duty truck, the input shaft is observed to be extremely worn. Technician A says that the engine flywheel housing concentricity should be (dial) indicated. Technician B says that the engine mounts should be checked. Who is correct?

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


Answer: C

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Hard spatter is spatter that fuses to the metal surface and cannot just be wiped off.

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

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The moving part of a valve that directly affects the flow through the valve is known as the _____.

a. disc b. stem c. body d. bonnet

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The adaptive cruise control system is not operating. Technician A says the ACC sensor may have debris on the lens. Technician B says electronic throttle control actuator is faulty. Who is correct?

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

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Name two types of bearing inserts other than piston bearings.

What will be an ideal response?

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