What is the most commonly used viscosity grade of hydraulic oil?
A. ISO 15
B. ISO 22
C. ISO 32
D. ISO 46
Answer: C
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One ____________________ represents an amount of magnetic flux equal to 100,000,000 lines.
Fill in the blank(s) with the appropriate word(s).
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Furnace gas manifold pressure is measured in:
A) Inches mercury column. B) Psia. C) Inches water column. D) Psig.
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Ductwork insulation takeoff procedures are the same regarardless of the _______ or ______ of insulation.
Fill in the blank(s) with the appropriate word(s).
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Which of the following is a closed path where current is permitted to flow?
A. Branch B. Circuit C. Voltage rise D. Series
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