Which of the following terms is used as a metric measurement of heat energy?

a.BTUs
b.joules
c.watts
d.farads


b.joules

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When three solid-state relays are connected in series, the supply voltage must be _____.

a. half of the minimum operating voltage for a single relay b. a third of the minimum operating voltage for a single relay c. triple the minimum operating voltage for a single relay d. four times the minimum operating voltage for a single relay

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Soil erosion can contribute to water pollution, including contamination from chemicals, soil particles

reducing water clarity, and sediments that settle in bodies of water.

Indicate whether the statement is true or false.

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A(n) ____, a device resembling an electric motor, utilizes the interaction of magnetic forces to yield readings of torque when coupled to the shaft of a motor.

a. electrometer b. dynamometer c. electrodynamometer d. magnetometer

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Explain the difference between the two uses of the "B" terminal in heat pump controls

What will be an ideal response?

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