What could cause vibration in a large air handler fan?
What will be an ideal response?
Over time the fan bearings will wear and vibration levels will increase. Vibration can also result from worn belts, loose pulleys, and loose foundations bolts.
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Preformed wall panels that are lifted into place are called ____.
A. site-bonded B. field-bonded C. site-welded D. tilt-up
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The starter motor can produce up to ________ horsepower
A) 5 B) 8 C) 20 D) None of these
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What is the purpose of a thread relief groove for internal threading?
A) To take pressure off the cutting tool B) To prevent breaking a tap C) Stress relieve the part being threaded D) To provide a place for the tool to pass out of the thread
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Explain dimensioning on first-angle drawings.
What will be an ideal response?
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