Which would be a good choice for fixtures which are difficult to access?

A) Compact fluorescent.
B) LED.
C) Low voltage miniature reflectors (MR).


B) LED.

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What is the number of conductors and the wire size specified for the feeder circuit supplying rooftop unit No. 1 in the power-riser diagram in Figure 3?



a. Three No. 10 AWG
b. Four No. 2 AWG
c. Three No. 6 AWG
d. Four No. 4/0 AWG

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A substance that has high ____________________ is one that can catch fire quickly.

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

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?Technician A says a transistor is used to measure transmission temperature. Technician B says the PCM changes the operation of many systems based on temperature. Who is correct?

A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B

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At the normal service interval for an oil change, the technician notices the oil level reads just below the normal level on the dipstick before beginning to drain the oil. Technician A says that all engines will consume some amount of oil within the normal service interval. Technician B says that the technician should check any TSBs related to oil consumption and inform the customer. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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