The tee joint is often used to join structural shapes such as an angle iron to itself at a ____ angle.
A. 60°
B. 90°
C. 120°
D. 150°
Answer: B
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The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the _____.
a. seal-in voltage b. dropout voltage c. pickup voltage d. transition voltage
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When making a hard wire connection of an EST to a PC, which of the following is required?
A. parallel bus connector B. CA and data connector C. jumper wires D. breakout T
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Chillers manufactured in the last few years all have ____ controls.
A. electronic B. hydraulic C. pneumatic D. pressure-based
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The minimum temperature for storage fungi growth is:
a. 20?F c. 40?F b. 30?F d. 50?F
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