An inductor is connected to a 120-V, 60-Hz supply. The current in the circuit is 2.4 A. What is the inductive reactance?
A. 57.08 ?
B. 104.8 ?
C. 288 ?
D. 904.8 ?
Answer: D
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Which of the following improper operations can lead to valve leakage?
A. Failure to clean and lubricate valve stems B. Improper closing of a valve on a high-pressure line C. Use of excessive force when opening or closing a valve D. Failure to wear proper protective equipment
A 240-volt electric water heater branch circuit or feeder circuit will require a __________ circuit breaker.
a. single-pole b. double-pole c. HACR d. three-pole
If you want to be able to effectively communicate with others you need to _______
A) Make them understand your point first and foremost B) Realize that they have a need to be understood C) Never attempt to identify their needs D) None of the above
In your own words, explain evaporation and condensation.
What will be an ideal response?