Chapter 13 - Couplings And Clutches

Question 1

What are he purposes of couplings?

Answer 1

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Question 2

List the various types of coupling

Answer 2

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Question 3

What are the purposes of clutches and brakes?

Answer 3

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Question 4

What are the operative limits of rigid couplings?

Answer 4

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Question 5

Describe the following:

- sleeve coupling

Answer 5

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Question 6

Describe the following:

- flanged couplings

Answer 6

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Question 7

Describe the following:

- compression coupling

Answer 7

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Question 8

Describe the installation of flanged couplings

Answer 8

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Question 9

Describe the application and installation of clamp couplings

Answer 9

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Question 10

Why should machines be aligned as accurately as possible when using flexible couplings?

Answer 10

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Question 11

What are the three most common categories of flexible couplings?

Answer 11

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Question 12

From where do mechanical couplings get their flexibility?

Answer 12

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Question 13

Describe the operating principles of each of the following:

- jaw and slider couplings

Answer 13

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Question 14

Describe the operating principles of each of the following:

- gear-type, double engagement couplings

Answer 14

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Question 15

Describe the operating principles of each of the following:

- chain couplings

Answer 15

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Question 16

Describe the operating principles of each of the following:

- metallic grid couplings

Answer 16

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Question 17

Describe the operating principles of each of the following:

- metallic disk couplings

Answer 17

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Question 18

Describe the operating principles of each of the following:

- jaw elastomeric couplings

Answer 18

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Question 19

Describe the operating principles of each of the following:

- unclamped doughnut couplings

Answer 19

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Question 20

Describe the operating principles of each of the following:

- clamped doughnut couplings

Answer 20

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Question 21

Describe the operating principles of each of the following:

- clamped tire couplings

Answer 21

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Question 22

Describe the operating principles of each of the following:

- bushed pin couplings

Answer 22

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Question 23

Describe the operating principles of each of the following:

- offset couplings

Answer 23

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Question 24

How does misalignment affect the coupling?

Answer 24

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Question 25

What should one look for on a coupling to determine the cause of its failure?

Answer 25

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Question 26

What are the causes of wear of peripheral points of contact?

Answer 26

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Question 27

Compare the application of universal joints to other flexible couplings

Answer 27

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Question 28

List the two types of universal joints

Answer 28

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Question 29

What mechanisms are used in centrifugal couplings?

Answer 29

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Question 30

What is the purpose of centrifugal couplings?

Answer 30

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Question 31

Describe how a thermal cut out protects the coupling during overload

Answer 31

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Question 32

Describe the applications and operating principles of: | - centrifugal or clutch-style couplings

Answer 32

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Question 33

Describe the applications and operating principles of: | - fluid couplings

Answer 33

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Question 34

Describe the applications and operating principles of: | - constant-fill fluid couplings

Answer 34

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Question 35

Describe the applications and operating principles of: | - delayed-fill fluid couplings

Answer 35

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Question 36

Describe the applications and operating principles of: | - variable-fill (scoop) fluid couplings

Answer 36

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Question 37

Describe the applications and operating principles of: | - centrifugal lockup fluid couplings

Answer 37

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Question 38

Describe the applications and operating principles of: | - dry fluid (shot) couplings

Answer 38

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Question 39

How do clutches differ from brakes?

Answer 39

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Question 40

What methods are used by clutches to transmit torque?

Answer 40

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Question 41

What purposes do mechanical clutches serve?

Answer 41

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Question 42

List two disadvantages of positive contact clutches

Answer 42

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Question 43

Describe operating principles and the applications of the following: - square jaw clutch

Answer 43

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Question 44

Describe operating principles and the applications of the following: - spiral jaw clutch

Answer 44

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Question 45

Describe operating principles and the applications of the following: - multi-tooth clutch

Answer 45

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Question 46

Describe friction clutches and brakes

Answer 46

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Question 47

Describe the operating principles and uses of the following: | - disk clutch and brakes

Answer 47

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Question 48

Describe the operating principles and uses of the following: | - a torque limiter

Answer 48

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Question 49

Describe the operating principles and uses of the following: | - a clutch brake

Answer 49

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Question 50

How is the working friction increased in the more complex designs of clutches?

Answer 50

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Question 51

What are the advantages of calipers in comparison to friction plates on disk brakes?

Answer 51

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Question 52

Describe the operating principles of: | - drum clutches and brakes

Answer 52

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Question 53

Describe the operating principles of: | - cone clutches and brakes

Answer 53

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Question 54

Describe the operating principles of: | - sprag clutches

Answer 54

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Question 55

Describe the operating principles of: | - wrap spring clutches

Answer 55

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Question 56

Describe the operating principles of: | - roller ramp clutches

Answer 56

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Question 57

Describe the operating principles of: | - magnetic partial clutches and brakes

Answer 57

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Question 58

Describe the operating principles of: | - eddy current clutches and brakes

Answer 58

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Question 59

Describe the operating principles of: | - hysteresis clutches and brakes

Answer 59

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Question 60

Describe the following methods of actuating clutches and brakes: - mechanical

Answer 60

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Question 61

Describe the following methods of actuating clutches and brakes: - electrical

Answer 61

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Question 62

Describe the following methods of actuating clutches and brakes: - pneumatic

Answer 62

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Question 63

Describe the following methods of actuating clutches and brakes: - hydraulic

Answer 63

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Question 64

Describe the following methods of actuating clutches and brakes: - self-activating

Answer 64

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