060101M Pipe Hangers By Jcw

Front 1

List four reasons for supporting pipes

Back 1

1) Carry the weight

2) Set grade

3) To allow thermal expansion

4) To prevent Sag

Front 2

Define Deflection

Back 2

Deflection is the deviation from the centre line or snaking of the pipe between hangers.

Front 3

Define Grade

Back 3

Grade is the slope on the pipe required for movement of all of the contents in the piping system.

Front 4

List three points that should be considered when deciding on the spacing for hangers on a steel pipe.

Back 4

1) Material from which the piping is made from

2) The location and type of joints
3) The size of the piping

4) The contents of the piping system

Front 5

Maximum spacing for hangers in a Galvanized pipe system less than 6" (Iron or steel)?

Back 5

8' / 2.5m

Front 6

Maximum spacing for hangers in a Galvanized pipe system over 6" (Iron or steel)?

Back 6

12' / 3.75m

Front 7

Maximum spacing for hangers in a lead pipe system? (All sizes)

Back 7

Throughout its entire length.

Front 8

Maximum spacing for hangers in a Cast Iron pipe system? (Hint: 3 points) (All sizes)

Back 8

i) At or adjacent to each hub or joint

ii) At intervals not exceeding 3m (9.84 feet)
iii) At intervals not exceeding 1m (3.2 Feet) if the pipe
has mechanical joints and the length of the pipe between adjacent fittings is 300mm or less.

*Basically if you had a very small piece

Front 9

Maximum spacing for hangers in a Asbestos cement piping system?(Hint: 2 points)(All sizes)

Back 9

i) at intervals not exceeding 2m (6.5 feet) or two supports for every 4m (13.1 feet) length of pipe.

ii) at intervals not exceeding 1m where the length of pipe between adjacent fittings is 300mm or less

Front 10

Maximum hanger distance for ABS or PVC pipes? (Hint: 4 points) (All sizes)

Back 10

i) At intervals not exceeding 1.2m (4 feet)

ii) at the ends of branches

iii) at changes in direction or elevations

iv) if the pipe is a fixture drain that is more than 1m (3.2 feet) length, as close as possible to the trap.

Front 11

Maximum hanger distance for CPVC pipe?

Back 11

1m / 3'

Front 12

Maximum hanger distance for Copper tube?

(Hard temper and larger than 1")

Back 12

3m / 10'

Front 13

Maximum hanger distance for Copper tube?(Hard temper and smaller than 1")

Back 13

2.5m / 8'

Front 14

Maximum hanger distance for Copper tube?

(Soft temper)

Back 14

2.5 m / 8'

Front 15

Using B-149.1-10 Code, what is the maximum spacing of supports for:
1/2" or less horizontal.

Back 15

2m or 6ft

Front 16

Maximum spacing of supports for:
3/4" to 1" horizontal.

Back 16

2.5m or 8ft

Front 17

Maximum spacing of supports for:
1 1/4" to 2 1/2" horizontal.

Back 17

3m or 10ft

Front 18

Maximum spacing of supports for:
3" to 4" horizontal.

Back 18

5m or 15ft

Front 19

Maximum spacing of supports for:
5" to 8" horizontal.

Back 19

6m or 20ft

Front 20

Maximum spacing of supports for:
10" or larger horizontal.

Back 20

8m or 25ft

Front 21

Maximum spacing of supports for:
1 1/4" or larger vertical?

Back 21

Every floor, but not more than 125% of horizontal spacing.

Front 22

Maximum spacing of supports for:

Tubing, copper, aluminum, stainless steel, horizontal or vertical all sizes

Back 22

2m or 6ft

Front 23

When fasteners are to be placed in a wall, ceiling, or floor, consideration must be given to?

Back 23

Unseen hazards in the base material.

Front 24

Specifications for a job are considered to be?

Back 24

Detailed written instructions on how the job is to proceed, and the hardware to be used.

Front 25

Rosin placed on a nail during manufacture does what?

Back 25

Lubricates the nail during driving, then bonds it to the wood.

Front 26

Any style of shank on a nail other than a smooth shank is produced for?

Back 26

Increased holding power for the nail.

Front 27

Claw hammers are used to drive nails into wood because?

Back 27

They have a flat face that prevents them from sliding off the nail when the nail is struck.

Front 28

Wood screws differ from sheet metal screws in that wood screws?

Back 28

Have an unthreaded portion on the shank just below the screw head.

Front 29

Sheet metal screws have a greater or lower mechanical advantage over wood screws?

Back 29

Greater

Front 30

When drilling holes through sheet metal for screw placement you should do what?

Back 30

Mark the hole with a centre punch.

Front 31

Machine screw fastenings require?

Back 31

Threaded holes or nuts for fastening components together.

Front 32

The threads applied to bold stock may be fine or coarse threads that are formed to the standards set out in the?

Back 32

Unified thread system.

Front 33

Studs differ from bolts in that?

Back 33

Studs are threaded on both ends.

Front 34

The term hydraulic lock refers to?

Back 34

The lubricant trapped under a bolt or stud being tightened.

Front 35

Fastener anchor categories are divided into?

Back 35

Light duty and heavy duty anchors.

Front 36

The holding power of anchors is greatly influenced by?

Back 36

The cleanliness of the hole.

Front 37

Adhesive anchors are considered to be?

Back 37

Heavy-duty anchors.

Front 38

To drill large or deep holes in hard, thick masonry you should use a drill with a what function?

Back 38

Hammer drill function.

Front 39

The bolts, nuts, screws, and washers used to fasten a water closet to its mating floor flange must be made of what material? (Hint: just one)

Back 39

Brass.

Front 40

What is the maximum hanger spacing for Steel pipe 3" to 4” in diameter?

Back 40

5m

Front 41

What is the maximum hanger spacing for Steel pipe 5" to 8” in diameter?

Back 41

6m

Front 42

What is the maximum hanger spacing for Steel pipe 10 inches or larger in diameter?

Back 42

8m

Front 43

What is the pipe clip that is predorminantly used to secure PEX tubing?

Back 43

Talon clip

Front 44

What is the purpose of speciality nylon clips with respect to domestic hot water or hydronic system?

Back 44

Has ribs that allows piping to move quietly through the hanger

Front 45

Althought pipe rings are available up to 8", what is generally the largest size available?

Back 45

4"

Front 46

What are the 5 types of pipe rings?

Back 46

Split ring

Van hangers
Swivel ring

Solid ring

Adjustable wrought pipe ring

Front 47

What is the purpose of a riser clamp?

Back 47

It is used to support the weight of the pipe as it extends vertically through a building

Front 48

Clevis hangers comes in two materials? What are they?

Back 48

Wrought iron & copper

Front 49

Pipe clamps are manufactured in one-bolt and two-bolt patterns

Back 49

One-bolt is designed for use with piping that isn't insultated. Two-bolt is for insulated

Front 50

Pipe saddles are designed to be used for high temperate service (lots of pipe movements). Which hangers are they generally used with?

Back 50

Clevis hangers