Which of the following can be applied to a stuck fastener that has been heated with a torch yet still will not move?

A. WD-40
B. Motor oil
C. Paraffin wax
D. ATF


Answer: C

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Which of the following is required on any building that has parapet walls or any other construction that extends above the roof?

a. controlled-flow systems b. siphonic roof drains c. secondary roof drains d. downspouts

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The primary method of varying the speed on a DC shunt motor is to adjust the voltage and current on the field winding or the _____.

a. rheostat b. armature c. controller d. stator key

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What is the disadvantage of using staples?

What will be an ideal response?

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The extrusion of a planar object always occurs perpendicular to the object's plane when a path or direction is not specified

Indicate whether the statement is true or false

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