An electric furnace that runs continuously, regardless of the thermostat setting, probably has:

A) A bad transformer. B) A stuck sequencer.
C) An open strip heater. D) An open fusible link.


B

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Fuses and circuit breakers have ____ current ratings.

A. two B. three C. four D. five

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There is little support among subcontractors who work large projects for the use of a standard contract form

Indicate whether the statement is true or false

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The output of an AND gate will be high when only one input is high

Indicate whether the statement is true or false

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Which resistor (RA) is necessary to generate a 330 ms pulse at the output of a monostable 555 timer if a 200 capacitor is used?

A) 1.5 k? B) 66 k? C) 133 k? D) 4.7 k?

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