AUTRY TECH DRAFTING/DESIGN

Read Chapter 21 on page 714. Answer the question below and enter it into OPEN LMS under 3M04

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Circle the answer that best fits the question.

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1. The two main types of couplings are

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A. permanent and semi-permanent

B. fixed and flexible

C. semi-permanent and clutches 

D. closed and open faced

E. permanent and clutches

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2. _____ are used to transmit power around corners.

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A. Solid couplings 

B. Flexible coupling 

C. Universal Coupling 

D. Flexible Shaft

E. None of the above

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3. The type of universal coupling used in automotive systems is known as a

 

A. Hotchkiss drive.

B. Hook's joint

C. Peabody joint

D. Ball drive

E. Harrison joint

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4. A plain bearing works by.

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A. sliding action

B. using spherical ball bearing

C. using cylindrical ball bearing

D. using tapered or conical ball bearing.

E. hydrostatic action

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5. The type of bearing used to support axial loads is.

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A. journal.

B. thrust

C. plain.

D. self-aligning.

E. sleeve

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6. Ball, roller, and needle bearing are classified as _____ bearings.

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A. antifriction 

B. combined 

C. contact

D. thrust

E. self-aligning

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7. When a bearing is ordered, the ______ are specified

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A. standard part number and manufacturer

B. classification, rating, and manufacturer 

C. classification, and rating

D. series, classification, and rating

E. series, type, and size

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8. The function of a seal is to

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A. protect the bearing against contamination.

B. retain lubricants.

C. avoid the drying or evaporation of the lubricant

D. all of the above 

E. none of the above

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9. A _____ is used to create and maintain a tight seal between separate members of a mechanical assembly.

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A. sleeve 

B. gasket

C. seal

D. retaining ring

E. any of the above

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10. is a semisolid used a lubricant.

 

A. Gel

B. Bearing paste

C. Grease

D. Hydrodynamic gel

E. Oil

 

11. Pictorial representations of bearing of bearing are

 

A. used chiefly in catalogs.

B. restricted to assembly drawing.

C. used to clarify the types of bearing specified.

D. used more frequently than schematic representations.

E. used more frequently than simplified representations.

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12. An example of an applications of split ring seal would be a 

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A. shaft and sleeve.

B. high-speed motor.

C. clutch assembly.

D. rotating plate.

E. piston ring.

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13. An O-ring is an example of a(n)

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A. shaft sealing sealing elements.

B. bellows-type element.

C. elimination element.

D. exclusion element.

E. none of the above.

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