RK6-1 task 3

Question 1

which type of flanges are commonly used on small diameter, low temperature / low pressure piping systems?

1. weld-neck flange
2. spectacle flange
3. socket-weld flange
4. screwed flange

Answer 1

d. screwed flange

Question 2

which type of flange is widely used for high pressure / high temperature piping applications?

1. weld-neck flange
2. socket-weld flange
3. screwed flange
4. deep-throat flange

Answer 2

a. weld-neck flange

Question 3

which of the following flanges is used on small-diameter piping systems where a strong, leak-proof seal is required?

1. weld-neck flange
2. socket-weld flange
3. screwed flange
4. spectacle flange

Answer 3

b. socket-weld flange

Question 4

which type of flange is designed to be used with a stub end?

1. lap-joint flange
2. blind flange
3. spectacle flange
4. reducing flange

Answer 4

a. lap-joint flange

Question 5

which flange is sometimes called a figure 8 blind flange?

1. lap-joint blind
2. spectacle blind
3. stub-end blind
4. deep-throat blind

Answer 5

b. spectacle blind

Question 6

match the abbreviations with the correct terms.

1. weld-neck flange
2. screwed flange
3. slip-on flange
4. socket-weld flange
5. lap-joint flange
6. spectacle blind
7. reducing flanges
8. Fig. 8 Blind
9. Scr’d Flg.
10. S.W. Flg.
11. L.J. Flg.
12. Red. Flg.
13. W.N. Flg.
14. S.O. Flg.

Answer 6

1. weld-neck flange f.. W.N. Flg.
2. screwed flange. . b.. Scr’d Flg.
3. slip-on flange. . g. S.O. Flg.
4. socket-weld flange. . c.. S.W. Flg.
5. lap-joint flange. . d.. L.J. Flg.
6. spectacle blind. . a.. Fig. 8 Blind
7. reducing flanges. . e.. Red. Flg.

Question 7

which flange facing has a groove machined into the flange face

1. raised face
2. ring joint
3. flat face
4. slip face

Answer 7

b. ring joint

Question 8

match the flange specifications shown in Figure 1 with the category listed below.

1. wall thickness _____
2. nominal pipe diameter _____
3. flange type ______
4. flange facing _____
5. pressure rating _____

100∅ 900# RFWN SCH.60 FLANGE

a. b. c. d. e.

Answer 8

1. wall thickness e
2. nominal pipe diameter a
3. flange type d
4. flange facing c
5. pressure rating b

100∅ 900# RFWN SCH.60 FLANGE

a. b. c. d. e.