The NPT thread is a tapered thread with a taper of ____ inch(es) per foot.
A. 0.50
B. 0.75
C. 1.00
D. 1.25
Answer: B
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A fire that has been started in electrical wiring should be extinguished with a fire extinguisher suitable for:
A. A type fires B. B type fires C. C type fires D. D type fires
Which of the following is NOT a standard sledge hammer head weight?
A. 8 pounds B. 12 pounds C. 16 pounds D. 20 pounds
The states that are most popular for flower production are ____________________ and ____________________
Fill in the blank(s) with correct word
What is the advantage of using multiple compressors on a supermarket rack system?
A) The compressors can operate at a higher compression ratio as a parallel group. B) Extra compressors provide backup in case one quits working. C) System capacity can match refrigeration loads which vary over a wide range. D) Using multiple parallel compressors makes the use of multiple refrigerants possible.