Vertical mount fan motors require ________ to handle the force of the shaft pushing against the end bells of the motor
A) flat washers B) bronze bearings C) thrust washers D) thrust bearings
D
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A(n) ____ weld is the most common out-of-position weld that a welder is required to perform.
A. overhead B. trailing C. horizontal D. vertical
Name two materials that are commonly used to provide or increase the fire -resistance rating of assemblies.
What will be an ideal response?
Technician A says most valve guide inserts use an interference fit to the cylinder head. Technician B says many newer engines use thread valve guide inserts. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
Suppose a stepper motor with a 45-degree step angle has 24 pulses applied to it per second. What is its rotating speed in rpms?
What will be an ideal response?