Technician A says that it is usual to mark two adjacent gear teeth on a countershaft gear for timing purposes. Technician B says that it is usual to mark a single mainshaft gear tooth for timing purposes. Who is correct?

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


Answer: D

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Spur gear teeth are straight and parallel to the gear shaft axis except for those found in the herringbone gear.

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

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A 20 kHz sine wave has a radian frequency of

A. 20,000? rad/sec B. 40,000 rad/sec C. 40,000? rad/sec D. 10,000/? rad/sec E. 20,000 rad/sec

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The first step when inspecting a pump and motor is to check the ________

A) motor to ensure it is filled to the proper level with lubricant B) pump and motor for any signs of physical damage C) equipment base plate for warping, damage, or cracking D) installation drawings against the equipment delivered

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A split-phase has a ____ winding and a ____ winding.

A. start, run B. start, common C. common, run D. run, common

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