When installing an overhead service, __________ feet of conductor should stick out of the weatherhead for the formation of a drip loop.
a. 1
b. 1.5
c. 2
d. 3
d. 3
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What is a person who studies the art and science of preparing medicines?
A) Alchemy B) Apothecary C) Intermediate D) Process Technician
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The pressure loss for fittings and devices can be expressed by which of the following units?
A) Psi. B) Equivalent ft. of straight pipe. C) Ft. of head. D) B only. E) A, B or C.
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The shop foreman performs diagnostic tasks and assists other service technicians
Indicate whether the statement is true or false
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What type of gas production is a definite indication of incomplete combustion?
A) O2 B) N C) CO2 D) CO
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