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Worksheetslevel 2 practice exam questions
Total questions: 20
Worksheet time: 10mins
What is an organisational responsibility with regards to PPE?
Must be worn at all times.
Any defects must be reported.
Training and information on its use must be provided. d Must be used in accordance with any training provided
Which personnel is concerned with the design and physical integrity of buildings and other large structures?
Site Manager.
Safety Officer.
structural Engineer
Site Supervisor.
What value represents 1 MΩ?
1 x 10–3 Ω
1 x 10–3 Ω
1 x 103 Ω
1 x 106 Ω
What is the sum of all the angles in a right angle triangle?
60.
90.
180.
360.
How much power is dissipated by a 25 Ω resistor when 4 A flows through it?
0.4 W
40 W
0.4 kW
40 kW
What is the minimum distance required, from the top of a floor joist, for a hole used to pass cables through?
50 mm
60 mm
70 mm
80 mm
What is the most suitable cable for a fire alarm sounder installation?
Cat 5.
Fibre optic.
Cat 6.
MIMS.
· What is the value of angle A shown in Figure 2?
a) 30.96
a) 36.87
50.31
53.13
What must be performed before using the equipment shown in Figure 4, on site?
Earth leakage test.
GS 38 checks.
User checks.
Earth bond test.
What is the item shown in Figure 5 used for?
Drawing in.
Dressing in.
Filling in.
Forming in
PVC SWA.
MICC.
SY Flex.
Twin and cpc.
What is the minimum height that cables must be installed at, on a catenary system above a walkway?
2.5 m
3 m
3.5 m
4 m
What External Influence within BS 7671 would affect the selection of a containment system?
Capacity.
Utilisation.
Suitability.
Affordability
What support system would be most suitable for running a large SWA up a building electrical riser?
Trunking.
Basket.
Ladder.
Conduit.
Who is responsible for the electrical meter in a domestic installation?
The owner.
The electrician.
The energy supplier.
The occupant.
What device provides Additional Protection against electric shock?
RCD.
MCB.
BS 88 Fuse.
BS 3036 Fuse.
Which supply system uses a Protective Earth and Neutral conductor?
TT
TN-S
IT
TN-C-S
Which protective device requires a rating factor of 0.725?
BS 88-3
BS 3036
BS 1362
BS 88-2
Which of the following must be Earthed?
Metallic service pipe
Metallic luminaire.
Steel air ducting.
Structural steel.
What is the purpose of Basic Protection?
To protect cables.
To protect equipment.
To prevent electric shock.
To prevent damage to installation.
