____ trips are used to open the circuit breaker contacts by energizing the solenoid from an external source.

A. Shunt
B. Fuse
C. Interrupt
D. Coil


Answer: A

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How do most building codes define a high-rise building?

A) Having a height greater than the reach of the tallest ladder truck in the district. B) Having more than eight stories with a floor to floor height of over 12 ft. C) Being more than 75 ft in height to the floor of the highest occupied level.

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Before raising the telescoping boom, _____.

a. raise the outriggers b. take off the brakes c. place a barrier around the base d. turn off the motor

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How is a specialty chemical diff erent from a commodity chemical?

What will be an ideal response?

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In welding detail drawings, welding symbols are used to show how the pieces are to be _____

a. cut b. joined c. aligned d. machined

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