The three common types of axial fans are
A) Clockwise, counterclockwise, and oscillating
B) Box fan, window fan, and oscillating
C) Propeller, vane axial and tube axial
D) Forward curved, backward curved, and propeller
C
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Technician A says the purpose of a bearing may be to support and guide a pivot. Technician B says the purpose of a bearing may be to support a load and reduce friction. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Determine the number of rolls of wire mesh needed for the slab in Problem 51. There are 750 square feet of wire mesh per roll. Add 12 percent for lap and waste.
What will be an ideal response?
Which of the following parts would NOT be suitable for a one-view drawing?
A. A rod B. A gasket C. A pin D. A pump housing
The line current of a delta-wound three-phase motor is:
A) 3 times the phase current. B) Equal to the phase current. C) 1.73 times the phase current. D) 1.5 times the phase current.