A __________ can be determined by measuring the frequency at which it is radiated from an object.

A. temperature
B. visible color
C. both a and b


Answer: C

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What precautions must be taken when installing drive belts?

What will be an ideal response?

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The indoor coil is the evaporator in:

A) The cooling cycle. B) Neither the cooling and or heating cycles. C) Both the heating and cooling cycles. D) The heating cycle.

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Call-processing features reside in a switch's ________

Fill in the blank(s) with correct word

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The voltage of a power supply drops to 0 V when connected to a lamp circuit. What is a possible problem?

A) the lamp is open B) the lamp requires more current than the power supply can deliver C) the lamp is shorted D) both B and C

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