Which of the following best describes continuity monitoring?

a. Initiates an alarm when the current in the heat-tracing circuit is too low or too high
b. Measures the temperature of the pipe with a digital controller connected to an RTD
c. Monitors the current leakage from the system heating cable, power wiring, and
components to ground
d. Verifies that voltage is present at the end termination of a heat-tracing cable run


d. Verifies that voltage is present at the end termination of a heat-tracing cable run

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Three elements of customer satisfaction are__________ .

A. Trust, respect, and feeling of being in control B. Customer surveys, behavior, and analysis C. Service, management, and customer attitude D. None of the above

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Why are centrifugal pumps used more often than positive displacement pumps?

A) They are more effective B) They are less expensive C) They require more space D) They are more complex to operate

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NEC Article 240 covers which of the following?

a. Wiring selection b. Listing and labeling c. Overcurrent protection d. Spliced conductors

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Used engine oil should be disposed of by all these methods EXCEPT ________

A) Disposed of in regular trash B) Burned on-site in a waste oil-approved heater C) Burned off-site in a waste oil-approved heater D) Shipped off-site for recycling

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