Which of the following is required by OSHA standards when a crane must operate within the prohibited zone around power lines?

a. An insulating link must be installed to isolate the load from the load line.
b. Two dedicated spotters must be assigned to mointor the operation.
c. All members of the lift team must wear insualting garments.
d. The boom of the crane must be electrically isolated from the crane body.


a. An insulating link must be installed to isolate the load from the load line.

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A three phase, two-pole motor contains eight actual poles.

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

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The discharge coefficient, Cq, of an orifice can be found by collecting water that flows during a timed interval when it is under constant head ' h'. The following formula is used to measure the discharge coefficient:



Find Cq and the various component errors


What will be an ideal response?

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Mean and percentiles are concepts used in _____ to describe data.

A. geometry B. statistics C. databases D. organizations

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Technician A says that electronic calculators have a memory function that can be used to calculate resistance, current, and voltage values for a parallel circuit. Technician B says to separate components of a series-parallel circuit to simplify calculations. Which technician is correct?

A) Technician A B) Technician B C) Both technicians D) Neither technician

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