The organization that establishes standardized testing for fire alarm designers and installers is the _____.
a. NFPA
b. UL
c. NICET
d. NEMA
c. NICET
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Who developed the quick freezing process for preserving food?
A) Clarence Birdseye B) Carter Stanfield C) Dave Lennox D) Willis Carrier
The ends of a magnet are called ____.
A. poles B. fields C. densities D. coils
What is the lowest percentage of full capacity that a digital scroll can be safely operated for extended periods?
A) The minimum capacity is 10% to insure that the compressor gets proper lubrication. B) The digital scroll compressor cannot be operated below 50% capacity. C) The digital scroll compressor can only operate at full capacity. D) The compressor can be operated at 0% by simply leaving the unloading solenoid energized.
?Which of the following is an advantage of electroslag welding?
A. ?Inexpensive welding equipment B. ?Quick setup time C. ?Can be used on any thickness of plate D. ?Minimum distortion