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
c. Three No. 6 AWG
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When the stop button is pressed, the dynamic braking contacts connect the dynamic braking resistor directly across the ____________________.
Fill in the blank(s) with the appropriate word(s).
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How many plungers are used in the high pressure section of a Bosch radial piston pump?
A. One B. Two C. Three D. Six
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What is 83 x 2.4?
What will be an ideal response?
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An 85 percent efficient electric motor has a useful output of 0.75 hp and it drives a 68 percent efficient water pump.
(a) How much power, in watts, does the motor require? (b) How much water, in gallons, could this combination lift 7.5 ft in one hour?
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