Glass pipe joints are similar in design to
A. hubbed cast iron joints
B. plastic pipe joints
C. hubless cast iron joints
D. threaded steel joints
Answer: C
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President John Kennedy and Attorney General Robert Kennedy began to join hands with the Civil Rights movement when they
A. sent federal marshals to protect the Freedom Riders. B. ordered the FBI to remove the wiretap from Martin Luther King, Jr.'s phone. C. secured passage of the Voting Rights Act. D. issued executive orders prohibiting all racial discrimination in federal employment. E. ordered the immediate desegregation of schools.
When arc welding, the general rule is that arc length should be _____
a. half the electrode diameter b. equal to the electrode diameter c. twice the electrode diameter d. slightly less than the electrode diameter
Commercial central heating and cooling systems refer to:
A) Structures used for businesses in general. B) Retail shopping malls only. C) Single-story office buildings only. D) Single- to three-story office buildings only.
At processing and packaging, eggs are lightly coated with _____
a. cooking oil c. mineral oil b. olive oil d. motor oil