The preferred method of controlling flammable liquid fires is:
A. the use of foam.
B. the use of large amounts of water
C. the use of unmanned nozzles
D. letting the fire burn undisturbed.
Answer: A. the use of foam.
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List the basic principles of compression and explain how these operate industrial valves.
What will be an ideal response?
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A. prequalified B. conditioned C. service D. trained
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Calculating the number of masonry units involves a ____-stage process
A. two B. three C. four D. six
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The two AWS classifications for FCAW electrodes are _____
a. solid and fluxed b. small and large c. fixed and open d. ferrous and nonferrous
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