A variation of spray transfer welding in which current is cycled from high to low is _____
a. short circuit welding
b. globular transfer welding
c. radial transfer welding
d. pulsed transfer welding
d
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A device used to protect from power cord electrical shocks is called a __________.
Fill in the blank(s) with the appropriate word(s).
Essential electrical systems for hospitals shall be comprised of ____ capable of supplying a limited amount of lighting and power service that is considered essential for life safety and effective hospital operation during the time the normal electrical service is interrupted for any reason.
A. two separate branches, which are both B. three separate branches, which are all C. one complete branch and an emergency auxiliary branch D. four separate branches (two for lights and two for power service)
Due to several illnesses among its work force, a contractor was short several workers for concrete placing and requested the assistance of the resident project representative. To what extent may the resident project representative be permitted to help?
A. As long as he or she provides only supervisory assistance; no physical labor, and is not compensated. B. He or she may give minor assistance including labor, if it does not interfere with his or her other duties. C. He or she cannot assist during normal working hours. However, if the concrete placing is after hours and he or she is on his or her own time, he or she may help if he or she is not paid. D. He or she may assist by calling the union hiring hall for additional help. E. None of these are true.
The manufacturer prints all of the following information on the outside of copper tubing except _____
A) tube type B) joining method C) manufacturer name D) country of origin