Which of the following is used to clean masonry after construction?
a. muriatic acid
b. tri-sodium phosphate
c. wire brush
d. all the above
d. all the above
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It is common for high voltage disconnect switches to have four contacts for the switch.
Answer the following statement true (T) or false (F)
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What system is designed to prevent overpressurization?
a. Mixing system b. Vessel system c. Relief system d. Temperature control system
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Horizontal silos are the least expensive and best suited to the small feeding operation
Indicate whether the statement is true or false.
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Another name for drum cam is cylindrical cam.
Answer the following statement true (T) or false (F)
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