What is the best pH level to maintain in a water tower?

A) The pH of the water has very little effect on the operation of the cooling tower.
B) Higher than 9
C) Between 6.5 and 9
D) Lower than 6


C

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A manual starter is a(n) ____ with motor overload protection.

a. pressure switch b. limit switch c. on-off switch d. float switch

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A nursery-grown transplant is often called a ________.

Fill in the blank(s) with the appropriate word(s).

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The intellectual development(s) that seriously disturbed the churches in the late 19th century was the

A. growing feminist assault on theories of male superiority. B. growing awareness of non-Christian religions. C. rise of theories of white racial superiority. D. rise of Socialism and anarchism. E. biology of Charles Darwin.

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A cylinder is reading a 100 percent leakage during a cylinder leakage test. Technician A says the exhaust valve could be open. Technician B says the exhaust valve could be bent. Who is correct?

A. Technician A B. Technician B C. Both A and B D. Neither A nor B

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