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Worksheets

Plumbing Lessons 5-7

Total questions: 45

Worksheet time: 31mins

Name
Class
Date
1.

Jaw has teeth for gripping round surfaces (pipes)

a)

Pipe

b)

Monkey

c)

Strap

d)

Chain

2.

Has a flat jaw design for gripping flat surfaces such as nuts in flanged joints

a)

Pipe

b)

Strap

c)

Monkey

d)

Basin

3.

Used in copper pipes or plated pipes since it does not damage the surface. • Used in tight spaces

a)

Basin

b)

Monkey

c)

Strap

d)

Pipe

4.

Used in pipes usually larger than 150mm in diamater

a)

Strap

b)

Monkey

c)

Basin

d)

Chain

5.

• Designed to reach awkward spaces like the mounting nuts in a faucet.

a)

Basin

b)

Pipe

c)

Monkey

d)

Chain

6.

For metal or plastic pipes of smaller diameter

a)

Pipe vise

b)

Hacksaw

c)

Miter saw

d)

Scissor-type cutter

7.

Not used for cutting per se, but clamping pipe in place when cutting

a)

Pipe Vise

b)

Hacksaw

c)

Rotary pipe cutters

d)

Miter saw

8.

For plastic pipes up to 1” in diameter

a)

Hacksaw

b)

Pipe vise

c)

Miter saw

d)

Scissor-type cutter

9.

For metal or plastic pipes of a larger diameter. • Blades/wheels come into contact with the pipe

a)

Hacksaw

b)

Pipe vise

c)

Rotary pipe cutters

d)

Miter saw

10.

Cuts almost all pipes • Used for precision and repetitive cutting • Can also cut in angles

a)

Miter saw

b)

Hacksaw

c)

Pipe vise

d)

Scissor-type cutter

11.

Used in UPVC and CPVPC

a)

Cement weld

b)

Fusion weld

c)

Threaded

d)

Flanged

12.

Used in PPR and HDPE

a)

Threaded

b)

Soldering

c)

Fusion weld

d)

Cement weld

13.

Used in copper or brass

a)

Fusion weld

b)

Soldering

c)

Cement weld

d)

Threaded

14.

Used in GI or steel pipes

a)

Cement weld

b)

Fusion weld

c)

Soldering

d)

Threaded

15.

• Also used in GI or steel pipes

a)

Flanged

b)

Fusion weld

c)

Cement weld

d)

Threaded

16.

Solvent cement for UPVC AND PVC ARE DIFFERENT!

a)

TRUE

b)

FALSE

17.

Used in copper pipes. A solder is melted on the joint of the pipe and fittings. When the solder cools it bonds the joint

(a)  

18.

Are defined as separable joints which are used to hold pipes and fittings together by means of threaded fastening such as in your water bottles

(a)  

19.

A tool used for threading GI or steel pipes.

(a)  

20.

A tool used for cleaning the burrs on a GI or steel pipes after threading or cutting.

(a)  

21.

Thread seal tape, also known as (a)   , is a polytetrafluoroethylene (PTFE) tape used in plumbing for sealing threaded joints

22.

A rubber gasket is inserted between the flanges and the compression made by the nuts and bolts forms a tight seal.

(a)  

23.

a device that moves liquids or gases, by mechanical action. Used mainly in the plumbing system to boost water pressure

(a)  

24.

Operates with a to-andfro motion • Uses positive displacement • Manual or powered

a)

Reciprocating pump

b)

Centrifugal pump

c)

Jet pumps

25.

Impeller rotates inside boosting water pressure • Needs electricity • Pump casing must be full of water to operate

a)

Reciprocating pump

b)

Centrifugal pump

c)

Jet pump

26.

Also uses and impeller • Pump is connected to long pipes underground • The impeller rotates creating vacuum pressure

a)

Reciprocating pumps

b)

Centrifugal pumps

c)

Jet pumps

27.

Simplest form • A shallow piston moves up and down creating suction • Locally called as ‘Poso’

a)

Lift pump

b)

Plunger pumps

c)

Deep well pumps

28.

Can convey any liquid • A “plunger” is driven backwards and forwards • Industrial applications with high-pressure system

a)

Lift pump

b)

Plunger pumps

c)

Deep well piston pumps

29.

• Similar to lift pumps but for deep wells • The piston is lowered deep, where the water is

a)

lift pumps

b)

Plunger pumps

c)

Deep well piston pumps

30.

Submerged underwater • Pushes water to the surface from underneath • Can also be used in pumping water out in flooded basements

(a)  

31.

Mounted above ground • Non-submersible • Can be used in shallow wells and deep wells

(a)  

32.

Centrifugal pumps and jet pumps need to primed before use because otherwise the pump will get damaged.

a)

TRUE

b)

MAYBE

c)

FALSE

33.

Is a collection of the piping network and plumbing devices that acts as the medium for water to travel to the different fixtures in a building.

(a)  

34.

What time of connection?

a)

Service connection

b)

Meter connection

35.

What type of connection?

a)

Service connection

b)

Meter connection

36.

The main pipe in a water distribution system which supplies water to the various parts of the property

(a)  

37.

Any vertical pipe supplying water to fixtures especially those on the upper floors of a building

(a)  

38.

A cluster of fixtures that are close to each other. (One fixture may be called a branch if it is far away from other fixtures

(a)  

39.

A small water pipe, usually ½” in diameter, that branches out from the main distribution line and supplies water to the fixtures.

(a)  

40.

Devices used in the plumbing system to control and regulate the flow of water.

(a)  

41.

Is a phenomenon wherein the pipes vibrate, creating noise, due to the sudden change of pressure inside the pipe when a faucet or valve is turned off quickly

(a)  

42.

???

(a)  

43.

What type of water distribution system?

a)

Direct upfeed system

b)

Pneumatic upfeed system

c)

Donfeed /Overhead system

44.

What type of distribution system?

a)

Direct upfeed system

b)

Pneumatic upfeed system

c)

Downfeed/Overhead system

45.

What type of water distribution system?

a)

Direct upfeed system

b)

Pneumatic upfeed system

c)

Downfeed/Overhead Sytem