To calculate the maximum safe load that a motor may be expected to carry continuously at its rated voltage and frequency, the service factor is multiplied by the _____.

a. frequency
b. torque
c. horsepower rating
d. power factor


c. horsepower rating

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Write your definition of a great president. Then use this definition to argue that Andrew Jackson was or was not a great president.

What will be an ideal response?

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NEMA's usual service conditions include an altitude limit of _____.

a. 3,000' b. 3,300' c. 3,500' d. 3,900'

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What are the two basic types of relief valves used on refrigeration systems?

A) An automatic relief valve and a one-time relief valve B) Electrically operated and pneumatically operated C) A high-side pressure relief valve and a low-side pressure relief valve D) System mounted and remote mounted

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The amount of error allowed in the size of structural steel is 1/10 of 1%. If an I beam is 7.2 inches deep, what, in inches, is the amount of error allowed?

A. 0.0072 B. 0.072 C. 0.72 D. 7.2

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