Which of the following overload devices is not affected by ambient temperature?

A. solder pot
B. magnetic
C. bimetal
D. time-delay fuse


Answer: B

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Absorption units use a mixture of ____________________ and water as refrigerant and require special training and tools to service.

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

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A piece of sheet metal is sheared in the shape of a right triangle.  The hypotenuse measures 21.25 inches and one of the acute angles measures 34° 30'.  What is the length of the side opposite the angle 34° 30' rounded to the nearest hundredth inch?

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

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Which size Phillips screwdriver has the largest point?

A) 2 B) 0 C) 1 D) 3

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When using mortared brick paving it takes approximately 4 1/2 brick to pave a 1-square foot of surface area.

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

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