Supports And Hangers

Question 1

What are supports, hangers and anchors?

Answer 1

They are devices designed to support pipes or fixtures by securing them to walls, ceilings, floors or structural members

Question 2

Different type of supports?

Answer 2

Hangers, straps, or holes in the studs or joists

Question 3

_____ shall be supported and anchored with substantial rests each strong enough to bear the weight of the piping between it and the rest above it

Answer 3

Vertical piping

Question 4

Vertical piping shall be no further than the floor levels of alternating stories or ____ meters which ever distance is less

Answer 4

7.5

Question 5

What’s the support used for vertical piping?

Answer 5

Floor clamp and uni strut

Question 6

Horizontal piping supports, shall never be more than _____ meters apart depending on pipe size

Answer 6

2.5M

Question 7

What are the supports for horizontal piping?

Answer 7

Metal hanger, large hanger, split ring hanger

Question 8

Which pipe should be supported throughout its entire length?

Answer 8

Lead pipe

Question 9

Cast iron soil pipe shall be supported at or adjacent to each hub or joint at intervals, not exceeding _____Meters and at intervals not exceeding ____ meters where the length of the pipe between adjacent fittings is 300 mm or less

Answer 9

3 meters and 1 meter

Question 10

Copper piping shall be supported at intervals, not exceeding _____ meters and ____meters if the pipe or tube is hard tempered and larger than one inch trade size

Answer 10

3 meters and 2.5 meters

Question 11

The selection of a hanger or support for pipe depends upon

Answer 11

Size, material or the pipe and weight of the pipe when full

Position of pipe
Type of building construction
Pipe covering

Question 12

Tell me what you know about adjustable swivel rings

Answer 12

Inexpensive way to hang pipe
Designed for easy installation
Some allowance for right and left movement

Question 13

What’s the name of the hanger that’s also convenient and cheap to hang

Answer 13

Light pattern clevis hanger

Question 14

Metal threaded rod may be used on piping over___ inches

Answer 14

4”

Question 15

The largest size of pipe that can be supported by straphangers is

Answer 15

4”

Question 16

Plastic water pipe shall be supported at intervals, not exceeding

Answer 16

1m

Question 17

Copper piping shall be supported at intervals, not exceeding ____m if the tube or pipe is hard tempered and larger than 1” in size ___ Meters if the tube or pipe is hard tempered and 1 inch in size or less

Answer 17

3m
2.5m

Question 18

Cast iron soil pipe shall be supported at or adjacent to each hub or joint at intervals, not exceeding

Answer 18

3m

Question 19

The thickness and width of the strap hanger for 4” pipe or less in size is not less than _____mm nominal thickness, _____mm wide

Answer 19

0.8mm
18mm wide

Question 20

The smallest threaded metal rod that may be used for supporting pipe over 4 inches is ____ in diameter

Answer 20

13mm

Question 21

Vertical piping shall be supported no further apart than the floor levels of alternating stories or ______m which ever distance is less

Answer 21

7.5

Question 22

Copper piping shall be supported at intervals, not exceeding _____m if the tube is soft temper

Answer 22

2.5m

Question 23

Plastic DWV is supported at intervals, not exceeding

Answer 23

1.2m

Question 24

The smallest threaded metal rod that may be used for supporting pipe 2 inches or less is _____ in diameter

Answer 24

6mm

Question 25

Galvanized, iron or steel pipe shall be supported at intervals, not exceeding ____ if the pipe is 6 inches or more and ______ if the pipe is less than 6 inches

Answer 25

3.75m , 2.5m

Question 26

The smallest metal rod that may be used for supporting pipe 4 inches or less in size is _____ in diameter

Answer 26

8mm

Question 27

Notches in studs should be ___ with metal mending plates

Answer 27

Reinforced

Question 28

The thickness and width of the strap hanger for 2 inch pipe or less in size is not less than _____ nominal thickness, ____ wide

Answer 28

0.6mm, 12mm wide

Question 29

Wear a hanger or support for copper tube or brass or copper pipe is of a material other than brass or copper it shall be suited, separated and electrically insulated from the pipe to prevent _______ action

Answer 29

Galvanic