Ip Prep Block B Piping And Material

Front 1

What are the types of copper used in the plumbing industry? What are there colors? Which is the thickest and which is the thinnest

Back 1

Type K, green, thickest

Type L, blue

Type M, red, thinnest

D-wv, yellow

Type K(green) or L (blue) Medical gas

Front 2

What is the most common type of copper used or sold in Canada

Back 2

Type M

Front 3

Which type of copper tube will withstand the greatest bursting pressure

Back 3

Type K

Front 4

Which type of copper tubing is manufactured only as hard drawn

Back 4

Dwv

Front 5

In the plumbing trade, copper water tube sizes are commonly specified by

Back 5

Their nominal inside diameter

Front 6

In the gas fitting and Refrigeration trades, copper tubing sizes are commonly specified by

Back 6

Their exact outside diameter

Front 7

What is the main difference between soldering and brazing

Back 7

Temperature soldering below 840 degrees Fahrenheit and brazing is hotter

Front 8

95 - 5 solder contains

Back 8

95% tin , 5% antimony

Front 9

What would be required when brazing dissimilar metals? An example would be when brazing copper to Brass

Back 9

High temperature flux

Front 10

What is an expansion Loop used for? What would you have to take into consideration when making an expansion loop with copper

Back 10

Expansion, the loop should be large enough to prevent any expansion

Front 11

What temperature do fluxes for brazing begin to melt at

Back 11

800 - 900 degrees Fahrenheit

Front 12

A good flame for oxy acetylene brazing would be

Back 12

Neutral

Front 13

What do you not require when Brazing Alloys used for joining copper tubing to Copper fittings

Back 13

Does not require flux

Front 14

To "anneal" copper means to make it

Back 14

Soft

Front 15

Standard steel pipe is classified according to size by using the nominal diameter for all sizes from 1/8" up to and including

Back 15

12 inch

Front 16

What is the number of threads per inch or a 3/4 NPS pipe

Back 16

14

Front 17

What is Galvanized Steel coated with

Back 17

Zinc

Front 18

Why is ductile iron pipe commonly lined with cement

Back 18

To prevent corrosion

Front 19

Which black iron pipe designations would be the thinnest

Back 19

STD

Front 20

To prevent black iron pipe from rusting during Transit, it's coated with

Back 20

Lacquer

Front 21

What does the term "pickling" refer to when dealing with pipe

Back 21

Acid Bath

Front 22

Grooves for joining steel pipe can be made by

Back 22

Rolling or cutting

Front 23

Which letters do not designate pipe

Back 23

XL

Front 24

ABS pipe is used principally for

Back 24

Non pressure drainage of liquid and solid waste

Front 25

When joining PEX using crimp Rings, how far back from the end of the tube should the crimp ring be attached

Back 25

1/8 in - 1/4"

Front 26

Abs and PVC are classified as

Back 26

Thermoplastics

Front 27

True or false plastic pipe must be protected from ultraviolet light

Back 27

True

Front 28

If you thread schedule 80 PVC pipe, by how much would you be reducing the pressure rating

Back 28

50%

Front 29

What is the sequence when joining poly e (butt fusion)

Back 29

Cut pipe, insert into jig and shave end Square, clean end with acetone

Front 30

Threaded drainage fittings in a vertical cast iron stack are tapped to provide

Back 30

A slope of 1/4 inch foot

Front 31

A 1/8 Bend refers to a cast-iron fitting used to change direction by

Back 31

45 degrees

Front 32

Which type of hanger would be best suited for supporting a 6 inch horizontal cast iron soil pipe

Back 32

Adjustable Clevis

Front 33

Which of the following hanging this would be best suited for use on the 6 inch galvanized cold water line

Back 33

8 inch clevis hanger with insulation Shield

Front 34

What type of hanger would you use to hang steam lines

Back 34

Roller hanger

Front 35

What type of hanger would you use to support multiple Pipelines

Back 35

Trapeze hanger or Unistrut

Front 36

What would be used to prevent a clevis hanger from crushing the insulation on a chilled water line

Back 36

Insulation Shield

Front 37

Ready rod for pipe hangers is commonly threaded into what type of device when it's to be suspended from a steel I beam

Back 37

Beam clamp

Front 38

Which of the following valve's would create the greatest friction loss when fully open

Back 38

Straight pattern globe valve

Front 39

Which is better for throttling, a globe valve or a gate valve

Back 39

Globe valve

Front 40

When bypassing a pressure-reducing valve it is advisable to use a

Back 40

Globe valve

Front 41

Which would be the most common valve used for throttling flow

Back 41

Needle valve

Front 42

The hex nut on the side of a check valve serves to

Back 42

Remove the pin and disc

Front 43

Which type of valve is commonly used for food process applications

Back 43

Diaphragm valve

Front 44

If a solenoid valve is installed in a liquid system, what holds it closed

Back 44

Hydraulic force and a spring

Front 45

The thread cut on a pipe is known as

Back 45

Male taper thread

Front 46

The lead on the Chasers allow what

Back 46

Allows the dies to start on the pipe

Front 47

Pipe dope is applied to pipe threads primarily to

Back 47

Lubricate the threads

Front 48

Which material would not be suited for draining acid waste

Back 48

Lead

Front 49

What is the correct naming sequence for describing a tee fitting

Back 49

Larger opening run,

smaller opening run

branch

Front 50

How would you connect a piece of PVC pipe to asbestos cement pipe

Back 50

Mechanical joint

Front 51

How is concrete bell and spigot pipe assembled

Back 51

Lube the spigot and the gasket in the Bell and then you put the pipe together and use a pry bar

Front 52

What are four steps when installing drainage pipe Underground

Back 52

Bed it, grade it, test it, flush it

Front 53

Which of the following is a non-ferrous metal

Back 53

Tin

Front 54

Which of the following materials would be classified as ferrous

Back 54

Cast iron

Front 55

What is tubing gain

Back 55

Sometimes called tube stretch or pick up. When bent, tubing seems to stretch or pick up length. Tubing will stretch approximately 1 pipe diameter per 90 Bend

Front 56

The inside walls of pipe should be free of burrs and other obstructions

Back 56

To decrease frictional resistance

Front 57

The letters W. O. G stamped on a valve body mean

Back 57

Water, oil and gas

Front 58

What is the minimum distance that a balancing valve or flow meter should be installed Upstream of another fitting

Back 58

At least five pipe diameters

Front 59

How do you identify the type of gasket required for Groove and shoulder or Victaulic pipe couplings

Back 59

Color of gasket, thickness , markings on pipe

Front 60

Name five flanges used in the pipe fitting industry

Back 60

Weld neck, socket weld, threaded, slip-on, lap joint, blind, spectacle

Front 61

What is a spool drawing

Back 61

Part or section of a larger drawing

Front 62

In pipe fitting, what does a wraparound refer to

Back 62

Draw straight line around a piece of pipe

Front 63

In reference to pipe fitting, what is a threadolet

Back 63

Forged pipe fitting welded into pipe