The three basic parts of a stuffing box are:
A. gland box, stuffing, and lip.
B. packing chamber, lip, and nuts.
C. packing rings, gland follower, and packing chamber.
D. packing box, lip seal, and packing nut.
C
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What two problems are associated with the use of mechanical replacement heart valves?
What will be an ideal response?
The states in an area of the United States starting with the western boundary of Ohio to the Pacific Ocean, and including some southeastern states were described as public land states. Within this area, the U.S. Bureau of Land Management devised a system for describing land known as:
A. lot and block B. metes and bounds C. township and section D. rectangular survey system E. none of the above
A fixture that is a personal washing basin and not a food preparation fixture is a
A. sink B. lavatory C. bidet D. water closet
Every sprinkler system should have a primary water supply of adequate reliability, volume, and:
A. capacity B. size C. quality D. pressure.