What are 480-volt systems desired for in many modern installations?
What will be an ideal response?
In many modern installations, 480-volt systems are desired for large motor loads such as supermarkets, large retail stores, manufacturing facilities, and so on.
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Technician A says that the driving side of the ring gear is convex shaped. Technician B says that the coasting side of the ring gear is convex shaped. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
All of the following are true about the use of turnbuckles except _____.
a. turnbuckles are used to adjust the length of rigging connections b. the safe working load of a hook-end turnbuckle is greater than comparably sized eye and eye turnbuckles c. turnbuckles should be tightened with a wrench of the proper size d. when using multi-legged slings, only one turnbuckle should be used per leg
The start and termination of the defrost mode is usually based on _____
a. time and/or coil temperature b. ice thickness and/or time c. suction pressure and/or coil temperature d. suction pressure and/or time
The intensity factor of heat energy is ________
Fill in the blank(s) with correct word