____ can read the rotational speed of a motor directly in revolutions per minute (rpm).

a. Tachometers
b. Speedometers
c. Electrodynamometers
d. Prony brakes


a. Tachometers

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List the five mechanisms by which toxic substances cause bodily injury.

What will be an ideal response?

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What are four factors that should be considered in site preparation for field-grown nursery crops?

What will be an ideal response?

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A linear network has a current input 7.5cos(10t+30?) A and a voltage output 120cos(10t+75?) V. Determine the associated impedance.

What will be an ideal response?

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Carry the answer to two decimal places. The values of pieces of electrical equipment are as follows: one 0-150 voltmeter costing $45.50; one 0-10-kilowatt meter costing $165.50; one 0-30 ammeter costing $35.20; one 0-300 voltmeter costing $42.75; one 0-200 millivoltmeter costing $65.38; one 50-ampere shunt costing $9.85; and three 0-5 ammeters costing $45.60 each. Find the total value of these pieces.

Fill in the blank(s) with the appropriate word(s).

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