The ____________________ rating of control transformers generally ranges from 0.75 kilovolt-amperes, or 75 volt-amperes, to 1 kilovolt-ampere, or 1000 volt-ampere.
Fill in the blank(s) with the appropriate word(s).
power
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What happens first when there is a call-for-heat signal to a furnace equipped with a motor-driven vent damper
a. The burners light to warm a bi-metal element. b. A switch in the damper closes to start the burner. c. A motor opens the vent damper. d. The burners light to start the motor.
Together, burns and scalding accounted for how many microwave-related injuries in 1989?
Technician A says that a driveshaft with U-joints speeds up and slows down twice per full rotation. Technician B says that to minimize torsional vibrations, U-joint working angles should be set as high as possible. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Which of the following is not likely to be found in a title block?
A. company name B. machine color C. machine name D. print number