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Plumbing General Knowledge

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

What is the colour panel

of a Dry powder Fire Extinguisher ?

a)

Black

b)

Red

c)

Yellow

d)

Blue

2.

The site Voltage lead colour of 230v is ?

a)

Red

b)

Yellow

c)

White

d)

Blue

3.

The colour of 110v site voltage is ?

a)

Yellow

b)

Blue

c)

Green

d)

Red

4.

What is the safest electrical power tool to use on site ?

a)

400 volt

b)

230 volt

c)

Battery

d)

110 volt

5.

Electrical installations should comply to BS ?

a)

6700

b)

5128

c)

7671

d)

8000

6.

The term PAT refers to ?

a)

Plumbing appliance test

b)

Plumbing actual Temperature

c)

Portable Appliance test

d)

Plug at Tee

7.

Mapp Gas is colour coded ?

a)

Black

b)

Yellow

c)

Red

d)

Maroon

8.

Propane Gas is colour coded ?

a)

Red

b)

Yellow

c)

Black

d)

Green

9.

A Ladder should be angled against a wall at _ degrees

a)

78

b)

82

c)

75

d)

45

10.

The panel on a C02 fire extinguisher is colour coded

a)

Red

b)

Blue

c)

Cream

d)

Black

11.

A Class 1 Ladder has a Max static vertical load of ?

a)

125Kg

b)

175kg

c)

150Kg

d)

115Kg

12.

Which Regulations enforces the use of power tools in the workplace?

a)

IPAF

b)

COSHH

c)

PUWER

d)

RIDDOR

13.

Mandatory signs are coloured ?

a)

Red

b)

Blue

c)

Green

d)

Yellow

14.

Fluxes come under __ Regulations

a)

RIDDOR

b)

COSHH

c)

PUWER

d)

ACIDS

15.

Crocidolite Asbestos is coloured ?

a)

Red

b)

White

c)

Blue

d)

Brown or Grey

16.

PPE Stands for ?

a)

Please Prepare emergency

b)

Personal Project Exam

c)

Personal Protective Equipment

d)

Plumbing Prevention exam

17.

Earth cable is coloured?

a)

Green & White

b)

Red

c)

Blue

d)

Green & Yellow

18.

The Fire Triangle consists of ?

a)

Fire Fuel heat

b)

Petrol Spark Oxygen

c)

Fuel Heat Oxygen

d)

Heat spark oxygen

19.

MEWP Stands for ?

a)

Men employed with plumbers

b)

Mobile Evacuation Working platform

c)

Mobile elevated working Platform

d)

Men employed with pay

20.

A Masonry drill bit is used on ?

a)

Wood

b)

Plastic

c)

Metal

d)

Brick

21.

A universal hard point is a type of ?

a)

Chisel

b)

File

c)

Screw Driver

d)

Saw

22.

An Immersion heater is found in a ?

a)

Boiler

b)

Cold Water Storage Tank

c)

Radiator

d)

Cylinder

23.

Tap reseating tools are used ?

a)

To connect taps

b)

Grinding the seating of taps

c)

Seating for washers

d)

For testing taps

24.

A Crimping tool is used on ?

a)

Solder pipework

b)

Press fit fittings

c)

Compression fittings

d)

Plastic push fit fittings

25.

A core drill is used on ?

a)

Plastic

b)

Concrete

c)

Wood

d)

Sand

26.

The Cu Tube BS EN is ?

a)

6700

b)

1057

c)

4786

d)

8000

27.

A Type B Manipulative fitting is used ?

a)

In roof space

b)

Underground

c)

In water

d)

Underfloor

28.

low Carbon Steel Pipe has a BS EN number ?

a)

10255:2004

b)

12555:2001

c)

11000: 2004

d)

13265: 2005

29.

Equipotential Bonding is a form of ?

a)

Gluing plastic pipe

b)

All metal fixtures bonded together

c)

Joining two materials

d)

Bonding walls together

30.

For Cutting holes into UPVC CWSC you should use ?

a)

A heated piece of copper tube

b)

Pad saw

c)

A hole saw

d)

Boring tool

31.

How much should LCS pipe be over bent, to allow for spring back?

a)

15 degrees

b)

5 degrees

c)

2 degrees

d)

20 degrees

32.

The 3 ways to join LCS pipe is by ?

a)

Glue Weld Solder

b)

Solder threaded Clipped

c)

Weld Compression Glue

d)

Threaded Welded Compression

33.

Transition Fittings Are ?

a)

Soldered

b)

Compression

c)

Glued

d)

Solvent Welded

34.

The plastic pipe that can be used on central heating systems is ?

a)

polybutylene

b)

polypropylene

c)

Microwave plastic

d)

ABS

35.

The plastic pipe used on underground mains are?

a)

PTFE

b)

ABS

c)

HDPS

d)

MDPE

36.

Barrier Plastic pipe is used on?

a)

Soil Pipe

b)

Heating Pipes

c)

Cold water Pipes

d)

Waste Pipes

37.

Hep2O Speed fit & Polyplumb are all types of ?

a)

Compression fittings

b)

Waste Fittings

c)

Soldered Fittings

d)

Push-fit Fittings

38.

A pipe insert/sleeve/liner is used when ?

a)

Jointing 2 plastics pipes

b)

Wall support for compression fitting to Plastic

c)

To convert from lead to UPVC

d)

To Line LCS pipe

39.

Water is at it's Maximum Density at ?

a)

8 degrees

b)

4 degrees

c)

10 Degrees

d)

100 Degrees

40.

Water expands by 10 percent when ?

a)

Heated

b)

Boiled

c)

Frozen

d)

Left to cool

41.

A Proprietary Fitting is ?

a)

Property Stop valve

b)

For connecting pipe of different material

c)

An Injector Tee

d)

Is used on Soil Pipework

42.

Building Regs State that a notch on Joists should be cut no more than __ deep.

a)

1 inch

b)

One eighth

c)

A quarter

d)

Any depth

43.

Convert from Imperial to Metric 8 inches?

a)

50mm

b)

200mm

c)

320mm

d)

100mm

44.

An Iron School Board Clip is used on ?

a)

Plastic

b)

Copper Tube

c)

LCS

d)

Cast Iron

45.

The Grade of a hot water Cylinder tells you ?

a)

How much water it holds

b)

How much head pressure it can take

c)

How expensive it is

d)

Size of cylinder

46.

The screw size for A Red plastic wall plug is size?

a)

Number 6-12

b)

Number 8-12

c)

Number 4-10

d)

Number 10-14

47.

Snagging is ?

a)

Pipe sharp ends

b)

Rectification

c)

Commissioning

d)

Striping Out

48.

Domestic Hot Water should be stored at no more than ?

a)

82 Degrees

b)

10 Degrees

c)

43 Degrees

d)

65 Degrees

49.

A Shower pump should be fitted to pipework by means of a ?

a)

Non Return Valve

b)

A motorised Valve

c)

An air separator

d)

Flexible connection

50.

A Ferrous metal contains ?

a)

Copper

b)

Contains Iron

c)

A mixture of 3 metals

d)

Brass

51.

A solar Hot Water panel contains ?

a)

Water

b)

Glycols & anti Freeze

c)

Oil

d)

Fuel

52.

Photodegradation is ?

a)

A Blurred Photo

b)

Yellowing of Plastics

c)

Pit holes in plastic

d)

Rusting of plastics

53.

In Plumbing, Capillary Attraction takes place in ?

a)

Magnets

b)

WCs

c)

Hot Water systems

d)

End feed fittings

54.

The 3 ways that heat travels are ?

a)

Straight - Up - Down

b)

Convection - Generation - Solar waves

c)

Convection - Conduction - Radiation

d)

Thermal - Solar - Up

55.

The SI unit for Flow Rate is ?

a)

Metres per second

b)

Newtons

c)

Metres per second squared

d)

Metres cubed per second

56.

Clipping distances for rainwater downpipe is..

a)

180cm

b)

2FT

c)

500mm

d)

1.5M

57.

The gradient fall for guttering is..

a)

1mm every 300mm

b)

2mm every 700mm

c)

1mm every 600mm

d)

1mm every 1000mm

58.

What is the purpose of a lock-shield valve on a radiator?

a)

Balancing

b)

Venting

c)

Draining down system

d)

Adjust the temperature

59.

There is 60 litres in a CWSC, what is the weight of water?

a)

1800 oz

b)

60 KG

c)

220 lbs

d)

3000 grams

60.

What does 'LCS' stand for?

a)

Low Carbon Steel

b)

Low Costing Systems

c)

Liquid Cooling System

d)

Littoral Combat Ship

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