Iron Pipe And Fittings

Question 1

IPS stands for

Answer 1

Iron pipe size

Question 2

NPS also known as normal pipe size is known as

Answer 2

The aproximate inside diameter of standard pipe

Question 3

Ferrous/Alloy pipe is described as

Answer 3

Any pipe containing iron ore

Question 4

Steel has a carbon percentage of

Answer 4

0.1-0.2%

Question 5

Nonferrous pipe is known as

Answer 5

Pipe that contains no iron

Question 6

Steel pipe is produced with 3 different grades

Answer 6

Standard (STD)
Extra strong. (XS)
Double extra strong (XXS)

Question 7

XS and XXS pipe is also known as

Answer 7

XH. (extra heavy)

XXH (double extra heavy)

Question 8

Grade (A) pipe is preferred for cold pending applications because

Answer 8

The carbon content is lower which improves it’s ductility and makes it less brittle

Question 9

Grade (B) pipe has a greater carbon content and hire tensile strength then grade A

Answer 9

.

Question 10

Standard grade pipe sustains pressures of up to______?

Answer 10

150 PSIG

Question 11

Extra strong grade pipe is used in applications involving pressure of___?

Answer 11

200 PSIG

Question 12

Double extra strong grade pipe is used in hydraulic systems and then services involving pressures of_____ and up

Answer 12

1000psig

Question 13

Steel/iron pipe is available in sizes from

Answer 13

1/8” upwards 24”

Question 14

From what size to what size pipe is measured from the outside diameter
(OD)

Answer 14

14-24”

Question 15

(Pickled and oiled) pipe finish is?

Answer 15

Pipe that is required to be absolutely clean and free of rust grease paint and other foreign matter.

Question 16

The process of pickled and oiled pipe is

Answer 16

Dunking the pipe in a mild acid Bath and giving a coating of oil to prevent corrosion during transport

Question 17

What are the five Different pipe ends

Answer 17

Plain
Threaded
Threaded and Cupped
Beveled
Grooved

Question 18

Bevelling on a pipe and should be______ degrees

Answer 18

37°

Question 19

Distance between threads is known as

Answer 19

Pitch

Question 20

NPT is known as

ASPT is known as

Answer 20

National pipe thread

American standard pipe thread

Question 21

Thread cut on the outside wall of pipe is known as

Answer 21

Male or external thread

Question 22

Thread on the inside of a pipe is known as

Answer 22

Female or internal threads

Question 23

1-2” pipe should have

• 11 1/2 threads per inch
• Hand tight: should be 4 3/4 turns
• wrench tight: should be 3 turns

Answer 23

.

Question 24

The word swarf. Is known as

Answer 24

Metal chips or flakes

Question 25

Cutting thread lubricants and oil’s should do what five things

Answer 25

• Keep the die or tool cool
• keep the pipe or working material cool
• reducing die where in heat generation
• provides a good finish on work
• helps clear away the swarf (chips/filings) during the threading process

Question 26

Steel pipe is supplied in_____foot lengths plus or minus _____ inch

Answer 26

21foot lengths

.5”