When installing fiber-optic cable in conduit, a pull box should be installed in any area where the conduit makes several bends totaling more than _____.

a. 90 degrees
b. 180 degrees
c. 270 degrees
d. 360 degrees


b. 180 degrees

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Technician A says aluminum heads usually have an aluminum shim beneath the valve spring. Technician B says as the valves are removed from the head, they should be kept in order. Who is correct?

A. Technician A B. Technician B C. Both technicians D. Neither technician

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Which of these is a flammable refrigerant, unacceptable under SNAP as a substitute for CFC-12?

A) HC-12a B) R406A C) R-176 D) GHG-X4

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Technician A says the ladder frame is best suited for larger and heavier vehicles. Technician B says the perimeter frame is most often used for larger vehicles. Who is correct?

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

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A bloodborne _______ is a microorganism that causes disease.

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

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