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Worksheets

chapter 3

Total questions: 26

Worksheet time: 39mins

Name
Class
Date
1.

The____ is used for a well-fitted hub and

spigot connections.

a)

Standard Pipe

b)

Single Hub

2.

The _____ is recommended when the length of

a pipe needed is more than 150 centimeters long

wherein cutting is not necessary.

a)

Single Hub

b)

Standard Pipe

3.

The ______ is preferred when a piece of pipe

needed is shorter than 150 centimeters long.

When the pipe is cut, both ends has hub to serve as joint

connector.

a)

Double Hub

b)

Hubless pipe

4.

The _____ is used in lieu of the single hub to

do away with caulking of joints. It is cheaper and

easily connected using a neoprene rubber sleeves.

a)

Hubless pipe

b)

Double Hub

5.
a)

joining hubless cast iron pipe

b)

joining hubless metal sleeve pipe

6.

cast iron pipe joints tru

a)

calking with oakum

b)

heat with solder

7.

Galvanized steel pipe connection with

a)

threading with teplon tape

(clockwise direction)

b)

calking with oakum

8.

_____ are, bent slowly on a wide radius to avoid kinking.

Bending a pipe is easily done with

pipe bending machine to produce a very satisfactory

result. Another way of bending copper pipe is by us-

ing a steel spring inserted inside the pipe toproduce

smooth clean curve.

a)

Copper pipes

b)

CI pipes

9.
a)

soldering copper pipes

b)

Joining a copper pipes

10.
a)

joining of copper pipes

b)

soldering copper pipes

11.

the simplest way of joining plastic pipe is by cementing called ______

_______ takes only

about 1/4 the time it takes to assemble bell and spigot

joints.

a)

Solvent Welding

b)

soldering

12.

repairing damage plastic pipe with

-allows two pipes or tubes to be joined, welded (steel), brazed or soldered

a)

coupling

b)

union

13.

are tools used for slicing or cutting pipes.

a)

pipe cutter

b)

monkey wrench

14.

The____ wrench can be used to clamp onto pipes and various fasteners such as lug nuts, bolts and screws. The jaws of the monkey wrench are attached to the fastener head: This is where you want to slide the lower jaw to fit the specific fastener with a strong grip.

a)

monkey wrench

b)

stillson wrench

15.

It is used to tighten and remove the mounting nuts of faucet tailpieces.

a)

basin wrench

b)

chain wrench

16.

______are specialized tools that are designed for gripping and turning pipes and fittings in tight spaces. They have a flexible strap with teeth on one side, which is wrapped around the pipe and tightened to apply torque.

a)

strap wrench

b)

chain wrench

17.

For tightening and dismantling work in narrow spaces such as gas and water pipes

a)

chain wrench

b)

strap wrench

18.

The adjustable pipe, or ____, wrench is used to hold or turn pipes or circular bars. This wrench has separated jaws, one of which is pivoted on the handle to create a strong gripping action on the work.

a)

stillson wrench

b)

pipe wrench

19.

This adjustable wrench is used for plumbing projects like the name suggests fixing pipes. They are used to grip and turn galvanized steel pipes, and black pipes.

a)

pipe wrench

b)

stillson wrench

20.

easily convert from right- to left-hand operation and back, making it simple to work around obstructions or to accommodate right- or left-hand user preference.

a)

yoke vise

b)

threader

21.

A _____cuts pipe, it threads pipe, it can ream the ends to remove burrs so you can cut lengths and whatever you need for the piping system you're designing or installing.

a)

pipe threader

b)

pipe reamer

22.

used to deburr steel pipe before threading.

a)

pipe reamer

b)

yoke vise

23.

frequently employed to solder copper water pipes. They can also be used for some low temperature welding applications, as well as for brazing dissimilar metals together.

a)

propane torch

b)

blow torch

24.

Used to caulk joints in bell and spigot pipe and fittings

a)

yarning and calking iron

b)

melting pot and ladle

25.
a)

melting pot and ladle

b)

blow torch

26.

Plumbers use _____ to solder and fix copper pipes.

a)

blow torch

b)

propane torch