Chapter 13 - Couplings And Clutches

Question 1

What are he purposes of couplings?

Answer 1

-

Question 2

List the various types of coupling

Answer 2

-

Question 3

What are the purposes of clutches and brakes?

Answer 3

-

Question 4

What are the operative limits of rigid couplings?

Answer 4

-

Question 5

Describe the following:

- sleeve coupling

Answer 5

-

Question 6

Describe the following:

- flanged couplings

Answer 6

-

Question 7

Describe the following:

- compression coupling

Answer 7

-

Question 8

Describe the installation of flanged couplings

Answer 8

-

Question 9

Describe the application and installation of clamp couplings

Answer 9

-

Question 10

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

Answer 10

-

Question 11

What are the three most common categories of flexible couplings?

Answer 11

-

Question 12

From where do mechanical couplings get their flexibility?

Answer 12

-

Question 13

Describe the operating principles of each of the following:

- jaw and slider couplings

Answer 13

-

Question 14

Describe the operating principles of each of the following:

- gear-type, double engagement couplings

Answer 14

-

Question 15

Describe the operating principles of each of the following:

- chain couplings

Answer 15

-

Question 16

Describe the operating principles of each of the following:

- metallic grid couplings

Answer 16

-

Question 17

Describe the operating principles of each of the following:

- metallic disk couplings

Answer 17

-

Question 18

Describe the operating principles of each of the following:

- jaw elastomeric couplings

Answer 18

-

Question 19

Describe the operating principles of each of the following:

- unclamped doughnut couplings

Answer 19

-

Question 20

Describe the operating principles of each of the following:

- clamped doughnut couplings

Answer 20

-

Question 21

Describe the operating principles of each of the following:

- clamped tire couplings

Answer 21

-

Question 22

Describe the operating principles of each of the following:

- bushed pin couplings

Answer 22

-

Question 23

Describe the operating principles of each of the following:

- offset couplings

Answer 23

-

Question 24

How does misalignment affect the coupling?

Answer 24

-

Question 25

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

Answer 25

-

Question 26

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

Answer 26

-

Question 27

Compare the application of universal joints to other flexible couplings

Answer 27

-

Question 28

List the two types of universal joints

Answer 28

-

Question 29

What mechanisms are used in centrifugal couplings?

Answer 29

-

Question 30

What is the purpose of centrifugal couplings?

Answer 30

-

Question 31

Describe how a thermal cut out protects the coupling during overload

Answer 31

-

Question 32

Describe the applications and operating principles of:

- centrifugal or clutch-style couplings

Answer 32

-

Question 33

Describe the applications and operating principles of:

- fluid couplings

Answer 33

-

Question 34

Describe the applications and operating principles of:

- constant-fill fluid couplings

Answer 34

-

Question 35

Describe the applications and operating principles of:

- delayed-fill fluid couplings

Answer 35

-

Question 36

Describe the applications and operating principles of:

- variable-fill (scoop) fluid couplings

Answer 36

-

Question 37

Describe the applications and operating principles of:

- centrifugal lockup fluid couplings

Answer 37

-

Question 38

Describe the applications and operating principles of:

- dry fluid (shot) couplings

Answer 38

-

Question 39

How do clutches differ from brakes?

Answer 39

-

Question 40

What methods are used by clutches to transmit torque?

Answer 40

-

Question 41

What purposes do mechanical clutches serve?

Answer 41

-

Question 42

List two disadvantages of positive contact clutches

Answer 42

-

Question 43

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

Answer 43

-

Question 44

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

Answer 44

-

Question 45

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

Answer 45

-

Question 46

Describe friction clutches and brakes

Answer 46

-

Question 47

Describe the operating principles and uses of the following:

- disk clutch and brakes

Answer 47

-

Question 48

Describe the operating principles and uses of the following:

- a torque limiter

Answer 48

-

Question 49

Describe the operating principles and uses of the following:

- a clutch brake

Answer 49

-

Question 50

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

Answer 50

-

Question 51

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

Answer 51

-

Question 52

Describe the operating principles of:

- drum clutches and brakes

Answer 52

-

Question 53

Describe the operating principles of:

- cone clutches and brakes

Answer 53

-

Question 54

Describe the operating principles of:

- sprag clutches

Answer 54

-

Question 55

Describe the operating principles of:

- wrap spring clutches

Answer 55

-

Question 56

Describe the operating principles of:

- roller ramp clutches

Answer 56

-

Question 57

Describe the operating principles of:

- magnetic partial clutches and brakes

Answer 57

-

Question 58

Describe the operating principles of:

- eddy current clutches and brakes

Answer 58

-

Question 59

Describe the operating principles of:

- hysteresis clutches and brakes

Answer 59

-

Question 60

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

Answer 60

-

Question 61

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

Answer 61

-

Question 62

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

Answer 62

-

Question 63

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

Answer 63

-

Question 64

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

Answer 64

-