wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Plumbing

Total questions: 87

Worksheet time: 51mins

Name
Class
Date
1.

What is the name of this fitting?

a)

union

b)

elbow

c)

tee

d)

coupling

2.

What is the name of this fitting?

a)

90

b)

tee

c)

elbow

d)

coupling

3.

What is the name of this fitting?

a)

45

b)

male adapter

c)

reducer

d)

union

4.

What is the name of this fitting?

a)

45 degree elbow

b)

Bent coupling

c)

C x C sweat 90

d)

C x C reduder

5.

What is the name of this fitting?

a)

90

b)

Copper sweat 90

c)

Street 45

d)

Street 90

6.
Name the tool
a)
pliers
b)
wrench
c)
adjustable spanner
d)
mallet
7.
Name the tool
a)
pipe slice
b)
spanner
c)
hammer
d)
pliers
8.
name the tool
a)
claw hammer
b)
spanner
c)
tape measure
d)
spirit level
9.
name the tool
a)
blow torch
b)
hose
c)
pipe
d)
hammer
10.
name the tool
a)
gas cylinder
b)
water can
c)
pliers
d)
blow torch
11.

End feed elbow

a)
b)
c)
d)
12.

Solder ring tee

a)
b)
c)
d)
13.

Compression Elbow

a)
b)
c)
d)
14.

Push fit Elbow

a)
b)
c)
d)
15.

Stock and die set

a)
b)
c)
d)
16.

Stiltons pipe wrench

a)
b)
c)
d)
17.

What is this picture of?

a)

LCS pipe bender bender

b)

Copper pipe bender

c)

SDS drill

d)

Bench press

18.

Gate valve

a)
b)
c)
d)
19.

The building regulations that cover electrical work is?

a)

Part L

b)

Part G

c)

Part J

d)

Part P

20.

The British Standard that covers electrical work is

a)

BS 6700

b)

BSEN 806

c)

BS1212

d)

BS7671

21.

Under building regulation part P you are not allowed to work in any Danger zones, Which of the following are considered danger zones?

a)

bathroom, kitchen or outhouse

b)

Dinning room, Bedroom

c)

Airing cupboard, Landing

d)

All of the above

22.

Mains electricity is 230 V ?

a)

AC

b)

DC

c)

2CV

d)

PCB

23.

This picture shows

a)

A step down transformer

b)

A step up transformer

c)

A portable battery

d)

A robot in disguise

24.

The wiring to all the lighting in a domestic house is know as?

a)

The ring main

b)

Radial circuit

c)

Spur outlet

d)

Socket ring

25.

What size MCB protects the ring main?

a)

6 amp

b)

32 amp

c)

13 amp

d)

16 amp

26.

What size MCB protects the immersion heater?

a)

6 amp

b)

32 amp

c)

13 amp

d)

16 amp

27.

Which of the following are earthing systems in a domestic house?

a)

TNS, TNCS, TT

b)

MGP, TT, WSB

c)

NTS, ATS, TT

d)

BTCC, TT, BTC

28.

This picture shows a?

a)

RCD

b)

MCB

c)

RCBO

d)

Fuse

29.

This picture shows a?

a)

RCD

b)

MCB

c)

RCBO

d)

Fuse

30.

This picture shows a?

a)

RCD

b)

MCB

c)

RCBO

d)

Fuse

31.

What size cable should be used on the ring main?

a)

1.5 mm

b)

2.5 mm

c)

6 mm

d)

10 mm

32.

What type of flex should be fitted to an immersion heater?

a)

20 amp heat proof flex

b)

13 amp heat proof flex

c)

20 amp flex

d)

13 amp flex

33.

What unit is used to measure voltage?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

34.

What unit is used to measure current?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

35.

Which is the right form of Ohm's Law?

a)

V=I/R

b)

V=R/I

c)

I=V/R

d)

I=R/V

36.

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

a)

12 V

b)

21 V

c)

4/3 V

d)

3/4 V

37.

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

a)

1/4 A

b)

144 A

c)

4 A

d)

0.4 A

38.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

39.

If switch 7 was open, which device(s) would turn on?

a)

none

b)

A, B, C, D, F, G

c)

A, B, C, D, E

d)

all of them

40.

If a circuit had 4 D-Cell batteries (each 1.5 V) and a lightbulb with resistance of 2 ohms, what is the current that flows through the circuit?

a)

2 A

b)

3 A

c)

6 A

d)

8 A

41.

What is voltage?

a)

the amount of push the electrical source supplies to the circuit

b)

how much a given device resists the flow of electric current

c)

flow of electric charge

d)

none of the above

42.

What is resistance?

a)

the amount of push the electrical source supplies to the circuit

b)

how much a given device resists the flow of electric current

c)

flow of electric charge

d)

none of the above

43.

What is the first thing i should do in regards to safe isolation?

a)

Seek permission

b)

Lock off with key in pocket

c)

Make sure my equipment is working

d)

Identify circuit

44.

What is the second step to safe isolation?

a)

Identify the circuit

b)

Lock off

c)

Lock of with key in pocket

d)

Start work

45.

What is classed as a suitable testing instrument?

a)

Approved voltage indicator

b)

Approved voltage incident

c)

Apple voltage indicator

d)

Unapproved voltage indicator

46.

On a single phase system how many test are required to prove that the circuit is de-energized?

a)

3

b)

6

c)

9

d)

12

47.

Why do we seek permission first?

a)

So we know its safe to turn off the power.

b)

Its polite

c)

My boss said i need to.

d)

Don't know.

48.

a buildup of electric charges on an object

a)

static electricity

b)

electric force

c)

electrical circuit

d)

electric discharge

49.

the path that an electric current takes

a)

electrical circuit

b)

static electricty

c)

electric force

d)

electric current

50.

a complete loop without any breaks in it through which electric current flows

a)

open circuit

b)

closed circuit

51.

Which of the following are Insulators of Electricity?

(multiple answers)

a)

glass

b)

silver

c)

copper

d)

many plastics

e)

sand

52.

a material in which electric charge cannot easily flow

a)

conductor

b)

insulator

53.

Which of the following is NOT a statutory document

a)

IEE Wiring Regulation BS 7671

b)

Electricity Safety Quality and Continuity Regulations

c)

Health and Safety at Work Act

d)

Electricity at Work Regulations

54.

What is the maximum percentage of trunking that can be filled with cable

a)

35%

b)

55%

c)

65%

d)

45%

55.

Which one of the following is a suitable use for rainwater harvesting

a)

Toilet flushing

b)

Drinking water

c)

Cooking water

d)

Baths/showers

56.

What is the main purpose of equipotential earth bonding?

a)

To make an installation more complex

b)

To earth every piece of exposed metalwork

c)

To protect persons from electric shock

d)

To satisfy the regulations

57.

An example of an exposed conductive part would be

a)

A radiator in a bathroom

b)

Kitchen sink

c)

A gas service pipe

d)

The casing of a metal distribution board

58.

Fire alarm systems are designed to protect

a)

Property

b)

Life

c)

Both

d)

All of the above

59.

A test of continuity at each socket-outlet or a ring final circuit is carried out to ensure that

a)

The polarity of sockets is correct

b)

All cables are of the same construction

c)

The ring has not been interconnected

d)

All cables are of the same size

60.
In the event that someone is being shocked by electricity you would never ________________.
a)
call an adult
b)
call 911
c)
touch them
d)
yell for help
61.
Your body is a conductor of electricity.
a)
true
b)
false
62.
What colour is the live wire in a mains plug?
a)
Green
b)
Blue
c)
Brown
63.
What is the function of the neutral wire?
a)
To carry a high voltage
b)
To complete circuit
c)
It is a safety wire
64.
The fuse in a circuit melts when:
a)
An appliance isn't earthed
b)
Too much current flows
c)
Too much voltage flows
65.
What's the first thing you should do if someone is shocked electrically?
a)
Use the fire extinguisher
b)
Check for breathing and heartbeat
c)
Turn off the power source
d)
Remove the person from the power source
66.

Found in electrical devices and helps to stop too much current from damaging the device

a)

circuit

b)

current

c)

fuse

67.
Overloading a circuit with too many appliances could cause overheating and fire.  
a)
True
b)
False
68.
It is unsafe for you to work with electricity when you are wet or standing in water.  
a)
True
b)
False
69.

Why are these bird safe?

a)

They are only touching one wire, so the current has nowhere to go

b)

They are touching two different wires, so the current cannot flow to the ground

c)

They are touching a wire and a pole connected to the ground, so the current can only flow to the ground

70.
For safety, assume that any facility constructed before 1980 contains?
a)
asbestos
b)
confined spaces
c)
GFCIs
d)
PCBs
71.
The normal beating of a heart can be upset by an electrical current as small as?
a)
1mA
b)
30mA
c)
75mA
d)
1,000mA
72.

The device shown is a

a)

RCD

b)

Transformer

c)

Proving Unit

d)

Storage Battery

73.

The correct voltage to use on a construction site is

a)

110 Volts

b)

230 Volts

c)

400 Volts

d)

12 Volts

74.

How often should electrical tools be PAT tested when they are used on building sites

a)

every 1 month

b)

every 3 months

c)

every 6 months

d)

every 12 months

75.

A visual inspection should be carried out on electrical tools

a)

at least once every week

b)

at least once every month

c)

at least once every 3 months

d)

every time before it is used

76.

the device identified is a

a)

multi meter

b)

proving unit

c)

voltage indicator

d)

transformer

77.

The symbol shown means that the appliance

a)

needs an earth connection

b)

does not need an earth connection

c)

is safe to use

d)

operates at 110 Volts

78.

the symbol shown means that the appliance

a)

needs an earth connection

b)

does not need an earth connection

c)

is double insulated

d)

needs to operate at 110 volts

79.

the correct colour coding for the wiring of a plug would be

a)

earth green and yellow / blue line / brown neutral

b)

earth green and yellow / blue neutral / brown line

c)

earth blue / neutral green and yellow / brown line

d)

earth brown / neutral blue / line green and yellow

80.

it is necessary to fully unwind an electrical extension cable

a)

To enable the electricity to flow more easily

b)

to provide a trip hazard

c)

to prevent heat build up and melting of the cable

d)

to make it easier to connect portable tools

81.

The equipment shown is a

a)

temporary continuity bond

b)

earth bond

c)

electrical jump leads

d)

continuity tester

82.

the purpose of earthing on electrical equipment is to

a)

allow the appliance to work properly

b)

to reduce the voltage to an acceptable level

c)

to prevent you getting an electrical shock

d)

increase the efficiency of the appliance

83.

the correct fire extinguisher for an electrical fire would be

a)

Water

b)

Foam

c)

CO2

d)

Dry Powder

84.

the device shown is a

a)

RCD

b)

Extension Plug

c)

Voltage indicator

d)

transformer unit

85.

A safety sign that warns you of an electrical hazard would be coloured

a)

white with red border

b)

yellow with black border

c)

blue and white

d)

green and white

86.
It is always advisable to ask questions about the things you do not fully understand before doing electrical wiring work.  
a)
True
b)
False
87.
Cords and power tools should always be inspected for visual defects before using.  
a)
True
b)
False