Which of the following voltages are not safe for a 208-V motor to operate?
A. 170 volts
B. 220 volts
C. 238 volts
D. both a and c
Answer: D
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Los dos tipos de plataformas elevadoras son:
a. articulada y con pluma.
b. vertical y lateral.
c. centrÃfuga y con diafragma.
d. de pluma y de tijeras.
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An excessive amount of preheat flame results in ____.
A. gouges in the side of the cut B. the top edge of the plate being melted or rounded off C. an incomplete cut D. the sides of the kerf being slightly dished
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The door heaters on a reach-in cooler are needed because the door handles are too cold when people touch them
Indicate whether the statement is true or false
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In a universal motor, inductive compensation can be used when the motor is connected to _____.
A. AC only B. DC only C. either AC or DC
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