What is one time constant of a 4.7 ?F capacitor in series with a 22 k? resistor?
A) 103 ms B) 10.3 ms C) 0.103 ms D) 1.03 ms
A
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If we cut a cross section through a tree trunk, we will see a number of rings. The most appropriate term for these rings is
A) concentric rings. B) annual rings. C) growth rings. D) eccentric rings. E) all of the above.
Balled and burlapped plants are purchased _____
A) with a ball of soil around the roots B) wrapped loosely in burlap C) with no soil on the roots D) with instructions that they can only be transplanted
In the SLC 500, math registers S:13 and S:14 are used as the source for the FRD instruction. Which of the following is correct?
A) S:14 contains the most significant digits. B) S:13 contains the most significant digits. C) Either A or B. D) S:13 and S:14 are not used in the FRD instruction.
Which of the following modifications would alleviate the stress on a compressor in a long-line system?
A) Removing any compressor crankcase heaters B) Reducing refrigerant charge C) Using a hard-shutoff TEV at the evaporator D) Adding a compressor hard-start kit