Given the following matrix:
-231
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Answer the following statements true (T) or false (F)
1. Safety valves operate quickly to prevent overpressurization by gases, which can cause Equipment damage or injury. 2. Gate valves are the most common type of valve designed for on/off service and NOT for throttling a process. 3. The two types of diaphragm valves are membrane diaphragm valve and straight-through diaphragm valve. 4. Use the tool closest at hand when adjusting valves.
Crash testing is a highly expensive procedure to evaluate the ability of an automobile to withstand a serious accident. A simple random sample of 12 small cars were subjected to a head-on collision at 40 miles per hour. Of them 8 were “totaled,” meaning that the cost of repairs is greater than the value of the car. Another sample of 15 large cars were subjected to the same test, and 5 of them were totaled. Find a 95% confidence interval for the difference in the proportions of small cars and large cars that are totaled.
What will be an ideal response?
What should be worn to protect your hands from caustic chemical burns?
A. heavy work gloves B. ace wraps C. approved rubber gloves D. silicone protection spray
What PPE should be worn when handling sheet metal?
A) Gloves B) Self-contained breathing apparatus C) A respirator D) No PPE is necessary to handle sheet metal.