For fastening gypsum board to wood framing or furring, the preferred gypsum drywall screws are Type _____.
a. B
b. W
c. S
d. G
Answer: B
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All of the following statements are true EXCEPT:
A. the Rzeppa joint is named after Alfred Rzeppa, the Ford engineer who invented it in 1929. B. a Rzeppa joint is somewhat like a bevel gear but with balls instead of teeth. C. a Rzeppa joint transmits power evenly at any angle. D. there are five types of plunge joints.
?Who should supervise the testing of your weld?
A. ?A friend so they can help you prepare the test specimens because all of that grinding is hard work. B. ?The person who wrote the code. C. ?Your welding teacher or a school administrator. D. ?The same individual or group that witnessed you taking the test.
Seal face distortion can cause _____
A) excessive leakage B) pitting C) misalignment D) blistering
What is the optimal number of individuals that one person should be supervising at an emergency incident?
A. Up to two B. Eight to ten C. Three to seven D. Eight or more