: Feb 19 2020 |
Millwright Skills Assessment
1 of 7
Which is a recommended method of heating a bearing for installation?
Hot Oil Bath
Hot Air Cabinet
Induction Heating Device
All of the above
2 of 7
Single helical gears require thrust bearings.
3 of 7
What should you do to the end of the shaft, the key way, and any holes when installing a radial lip seal when the shaft cannot be chamfered?
Well lubricated with heavy grease
Cover with a protective sheet (thin brass shim stock, stiff plastic sheeting)
Pack full of heavy grease
4 of 7
To control or adjust backlash on gear sets, some provision is made for shifting one gear relative to the other gear. This allows control over backlash at the initial assembly and throughout operating life. Which gearing types have the provision to shift one gear relative to the other gear?
Bevel and hypoid gearing
Single thread worm gears with high lead angles
Spur and parallel helical gearing
Double thread worm gears with low lead angles
5 of 7
At what pressure do lubrication systems for gearboxes typically operate?
75 PSI or higher
6 of 7
What is the maximum temperature bearings should be heated to for installation?
7 of 7
What should be used when a self-aligning bearing has to be pressed on the shaft and pushed into the housing at the same time?
a mounting sleeve of soft steel with a flat face that is just a little larger than the bearing bore
with its outside diameter no larger than the inner ring shoulder height
alternate between two mounting sleeves one sized for the outer ring and one sized for the
a mounting disc which bears against both bearing rings at the same time
a mounting sleeve of soft steel with a flat face that is just a little smaller than the bearing
outside diameter with its inside diameter no larger than the outside ring shoulder height
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