How can you reduce the chances of check valves getting stuck?
A) Lubricate the check valves. B) Use a flapper-style check valve.
C) Use a ball-style check valve. D) Install backup check valves.
C
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¿Cuál de los siguientes grupos representa la ubicación más peligrosa?
a. A b. B c. C d. D
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What is the value of angle A in degrees and minutes if cos A = 0.68875? Round the answer to nearest minute.
A. 44o 28' B. 46o 28' C. 56o 30' D. 46o 47'
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Why do many starters have manual resets?
What will be an ideal response?
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In an inductive circuit, the ________ lags the ________
A) current, voltage B) voltage, resistance C) current, resistance D) voltage, reactance
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