Mathematics, Physics, Science

Bearings and stuff


20 questions

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  • 1. Multiple-choice
    30 seconds
    1 pt

    What is the plane bearing diametrical clearance for?

    To allow grease to be applied.

    Allows for a film of lubricant between the shaft and the bearing.

    Allows grease to get to ball bearings in the inner race.

    Is a clearance of 0.025 inch.

  • 2. Multiple-choice
    30 seconds
    1 pt

    With a plain bearing supporting a shaft, when is the most likely time for the bearing to wear?

    When the diametrical clearance exceeds 0.050 inch.

    During engine start up when the journal rests on the bearing.

    During high speed rotation of a shaft.

    Too much lubricant in the bearing

  • 3. Multiple-choice
    30 seconds
    1 pt

    What size is the plain bearing diametrical clearance..

    0.004 inch

    0.006 inch

    0.005 inch

    0.003 inch

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