The stepped resistor that is used in some fan motor circuits will:

a. Turn the motor on and off
b. Provide reverse rotation
c. Provide different fan speeds
d. Make the motor last longer


C

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____ are used on poured-in-place concrete drawings as a part of a numbering system that relates the component number and indicates where the component fits into the overall job.

A. Mark numbers B. Stock numbers C. Legend numbers D. Product ID numbers

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Explain what a caisson is and describe the two types of caissons that are used.

What will be an ideal response?

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When testing the low pressure warning signal, turn the electrical power on and step on and off the brake pedal to reduce air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than ____ psi in the air tank.

a. 30 b. 45 c. 60 d. 90 e. 100

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A technique used to prevent contamination of the electrode when feeding the filler rod into the weld puddle

is to _____. a. change from a push angle to a slight drag angle b. change the work angle about 10 degrees temporarily c. move the torch toward the back edge of the puddle d. move the torch toward the leading edge of the puddle

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