What would the symptom be if an air-cooled condenser had two fans and one stopped running?
What will be an ideal response?
high head pressure
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Determine the hazard quotient for an adult exposure to 1.5 mg/m3 of cadmium in the air at a smelting facility during a 30-year industrial career. Use the U.S. EPA IRIS website to find relevant risk assessment parameters.
What will be an ideal response?
It is possible to control a motor from as many places as there are stations using ____.
a. normally closed contacts b. the red pilot light c. a pushed closed contact d. the same magnetic controller
In the above figure, the acceleration will be the slowest if the wiper arm of R12 is __________.
A. to the far right B. in the middle C. to the far left
____ transmit energy by a turning or twisting action.
A. Helix springs B. Torsion springs C. Flat springs D. Compression springs E. none of the above