Oxygen cylinders must be tested _____
a. annually
b. every three years
c. every five years
d. every ten years
d
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What should a process technician inspect when a heat exchanger is disassembled?
A) Leaky tubes B) Tube sheet C) Divider plate D) All of the above
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Una CMU estándar, incluida la unión de mortero, tiene una altura de _____.
a. 6" b. 7" c. 8" d. 9"
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_____ can minimize misunderstanding business communications
A) Digital billing payment programs B) Cell phones C) ?High speed networks D) Personal connection
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What is the purpose of wearing rings on a centrifugal pump?
a. Prevents fluid leakage b. Increases compression ratio c. Allows fluid leakage d. Prolongs bearing life
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