NEW
Font size
WorksheetsUNIT 203 - Electrical Installations Technology
Total questions: 20
Worksheet time: 10mins
Which of the following is NOT a statutory document
IEE Wiring Regulation BS 7671
Electricity Safety Quality and Continuity Regulations
Health and Safety at Work Act
Electricity at Work Regulations
Which one of the following is the type of fixing shown?
Saddle
Crampet
Cleat
Clip
Which one of the following devices is suitable for an installation supplying an X-ray machine in a hospital?
BS EN 60898 Type B
BS EN 60898 Type D
BS EN 60898 Type C
BS 3036 rewireable fuse
What is the maximum percentage of trunking that can be filled with cable
35%
55%
65%
45%
The typical cabling for use in electrical installations in domestic premises would be
PVC singles
SWA
MICC
PVC/PVC
Which one of the following is a short circuit protection device that is NOT activated by heat?
BS 3035
BS 88-2-2010
BS EN 61008
BS EN 60898
A room measures 4.25 metres long what would it measure on a drawing scaled at 1:20:
21.25 cm
0.2125 cm
212.5 cm
412 mm.
Which one of the following is a suitable use for rainwater harvesting
Toilet flushing
Drinking water
Cooking water
Baths/showers
The main purpose of a circuit diagram is to show how an electrical system
can be costed
will function
should be installed
will look after its completed
What is the main purpose of equipotential earth bonding?
To make an installation more complex
To earth every piece of exposed metalwork
To protect persons from electric shock
To satisfy the regulations
What does the abbreviation MET stand for
Main Earthing Terminal
Main Earth Tails
Main Equipotential Terminal
Meter Earth Termination
An example of an exposed conductive part would be
A radiator in a bathroom
Kitchen sink
A gas service pipe
The casing of a metal distribution board
The maximum volt drop for a shower circuit is
3v
6.9v
11.5v
5v
When calculating current capacity what does Ib represent
Buried cable
Ambient temperature
Design current
Breaking Capacity
A white dot on a BS3036 Semi enclosed fuse indicates what rating
20A
15A
5A
6A
Which of the following is not an earth electrode
Earth rods or pipes
Main earthing conductor
Earth plates
Earth tape
Which is true of an A2 circuit
20A protective device 2.5mm cable 50m floor area
30 or 32A protective device 4.0mm cable 100m floor area
30 or 32A protective device 2.5mm cable 50m floor area
30 or 32A protective device 4.0mm cable 75m floor area
PVC/PVC twin and earth cable enclosed in conduit on an insulated wall is referenced as method
B
103
C
101
The current carrying capacity of a 6mm twin and earth cable installed using reference method C is
47A
64A
37A
27A
Fire alarm systems are designed to protect
Property
Life
Both
All of the above
