The most commonly used type of switch is a ____ switch.

a. single-pole
b. double-pole
c. three-way
d. four-way


a. single-pole

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If the diameter of the piston head is 30 cm, how high is the piston head from the bottom (ie: what is the position of the piston head relative to the bottom of the cylinder) when the reaction has reached equilibrium?

You crack 2 moles of propane at 500 K and 1.5 bar to ethene (C2H4) and methane in a cylinder with an adjustable piston (such that the pressure stays constant at 1.5 bar during the reaction).

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Which of the following is sold in pots?

A) cut flowers B) flowering plants C) bulbs D) seeds

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After you have coupled the trailer you should raise the landing gear by using:

a. Intermediate gear. b. Low gear. c. High gear.

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The thermal capacity of the stator windings greatly expands the length of starting time for a part winding motor.

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

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