Who should the safety technician notify of the results of a safety inspection?

a. OSHA
b. Human Resources
c. Management, job site supervisors, and co-workers
d. Company owners only


c. Management, job site supervisors, and co-workers

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Electromotive force is another term for ________.

A) Voltage B) Induction C) Current D) Resistance

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The actual process of breaking down food is done by chemical action

Indicate whether the statement is true or false

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The motor is driven by a slip energy-recovery system. The triggering angle of the dc/ac converter is adjusted to 120o . Calculate the following:

A three-phase, four-pole, Y-connected, 480 V induction motor is driving a 400
Nm constant-torque load. The motor has the following parameters:

a. Motor speed
b. Current in the dc link
c. Average voltage at the input of the dc/ac converter
d. Rotor rms current
e. Stator rms current
f. Power returned back to the source

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A balanced, positive-sequence wye-connected source has Van = 240?0° V (rms) and supplies an unbalanced delta-connected load via a transmission line with impedance 2 + j3 ? per phase.

(a) Calculate the line currents if Z?? = 40 + j15 ?, Z?? = 60 ?, Z?? = 18 – j12 ?. (b) Find the complex power supplied by the source.

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