Technician A says the purpose of a bearing may be to support and guide a pivot. Technician B says the purpose of a bearing may be to support a load and reduce friction. Who is correct?

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


Answer: C

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Technician A says gears are used to multiply torque. Technician B says to apply torque to other rotating parts of the drivetrain, gears are used. Who is correct?

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

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In a right circular cone the axis is perpendicular to the base.

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

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Conductors must have a vertical clearance of at least ____ ft above the roof surface.

A. 2 B. 4 C. 6 D. 8

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How many pounds of fuel are consumed with 75 pounds of air in an engine operating with a 15:1 air:fuel ratio?

What will be an ideal response?

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