Direct current is ____ difficult to interrupt than alternating current because it ____ to zero at periodic intervals.
A. more; falls
B. more; does not fall
C. less; falls
D. less; does not fall
Answer: B
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The flow rate of the Madison River is about 500 cubic feet per second (CFS). The Madison River has an ultimate BOD value of 6 mg/L and DO of 4 mg/L. The Madison Wastewater Treatment Plant (WWTP) discharges 10 million gallons per day (MGD) of treated wastewater with an ultimate BOD of 20 mg/L and DO equal to 9 mg/L. [1 cubic foot = 7.48 gal]
What will be an ideal response?
The burner assembly and furnace cabinet should be grounded for safety and because:
A) The indoor blower motor will not operate unless the unit is grounded. B) The transformer will not operate unless the unit is grounded. C) Most control boards for direct spark ignition or hot surface igniters will not operate correctly unless the unit is grounded. D) The induced draft fan motor will not operate unless the unit is grounded.
In three-phase motors, in order to provide more starting torque, the stator would be connected in a _____
a. multi-speed configuration b. shaded-pole configuration c. wye configuration d. delta configuration
When installing a 15 1/2-inch clutch assembly, Technician A uses guide studs installed in the flywheel to support the weight. Technician B uses a splined pilot shaft when installing both 14- and 15 1/2-inch clutch assemblies. Who is correct?
A. Technician A B. Technician B C. Both Technicians A and B D. Neither Technician A nor B