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WorksheetsElectrical Principles 6035-02 | Part 1
Total questions: 40
Worksheet time: 20mins
What type of current is shown here?
AC - Alternating current
DC - Direct current
The Building Regulations covering domestic electrical installations is approved document?
Part L
Part P
Part G
Part E
Which of the following does not require an electrical safe isolation before any kind of work starts?
Pumps
Showers
Programmers
Washing machine valves
The component shown here is?
Programmer
Consumer unit
RCD
MCB
Which type of cable would lightings use?
1.5mm twin and earth
2mm twin and earth
6mm twin and earth
10mm twin and earth
In the case of any critical fault, who is your 'responsible person' that you must advise?
First aiders
Qualified electricians
Supervisors
Using a flex outlet and neon indicator, the double pole isolator should be?
3 amp
8 amp
16 amp
20 amp
What must all modern circuits be protected by?
An additional fuse
An increase fuse size
The inclusion of an RCD
Replacing the MCB with a RCD
STATEMENT: The on-off switches on appliances are a sufficient method for isolation.
True
False
What is the component shown here?
Manometer
Multimeter
Voltage tester
What is the component shown here?
Pillar terminal
Claw type terminal
Screw/nut head terminal
Strip connector
On equipotential bonding the earth cable used is what size?
2mm²
4mm²
6mm²
10mm²
What does CPC stand for?
Circuit Protective Conductor
Conductive Prevention Contractors
Cable Protective Circuit
What size MCB is used in the protection of lighting?
6 amp
16 amp
32 amp
32-45 amp
Which of the following are found on a modern consumer units?
MCB
RCD
Main isolator
All of the above
What is the component shown here?
Trunking
Armoured cable
Reinforced plating
Conduit
In a domestic property, an appliance has a fuse size of 5amp. What is the maximum power rating of the appliance?
0.69kW
1.15kW
1.5kW
2kW
What type of electrical component would use 6mm twin and earth on typical cable?
Ring mains
Larger electric showers
Small electric showers
Lightings
In order for the multimeter to take a test reading, the test probes must have a maximum exposed tip of?
1mm
2mm
3mm
4mm
The correct term missing here is? If the live accidently touches the earth, a __________ will occur. This means the fuse will blow or the RCD will trip.
Overload
Fire
Short circuit
Explosion
Which electricity is produced chemically?
AC
DC
Which British Standard covers the design installation and testing of domestic electrical circuits?
BS 6700
BS EN 14336
BS 4422
BS 7671
The image shown here is?
TNCS from neutral
TNS from armoured cable
TT from electrode
Which of the following protects the cable and appliances in the events of a overload?
RCBO
RCD
Fuse
Main isolator
Which of the following is not a good conductor?
Copper
Glass
Aluminium
Silver
The neutral conductor in fixed-cable installations is identified by the insulation being coloured?
Red
Green/yellow
Blue
Brown
What is the use for the type of cable shown?
For the use of all on-site situations
Additional protection in possible vulnerability
The CPC requires the use in any ceiling work
Of the following, select the un-switched socket.
If your polarity test is proved successful and you are re-testing on 'voltage', what should the readings show for live and neutral?
110v
230v
240v
0v
Which of the following could lead to dire consequences?
Drilling into wires
Cracked junction boxes
Missing earth bonding
All of the above
If an electrician is required for a situation, which of the following can not be locked off until the situation is rectified?
The circuit
The main isolator
The appliance
What is described as, the unit of power for an appliance?
Watts
Joules
On the image displayed, what terminal is the arrow pointing to?
Earth
Live
Neutral
Due to capacity, an immersion heater should not be connected the ring circuit. What is the reason for this?
The circuit does not run due to overcapacity
The circuit is deprived of almost half the capacity
The immersion heater cannot withstand the ring circuit
All of the above
What size MCB is used in the protection of water heaters?
6 amp
16 amp
32 amp
32-45 amp
In order to replace parts, a plumber needs to be Part P qualified for which of the following? (Choose 2)
Airing cupboard on the landing
Airing cupboard in the bathroom
Boiler located in the kitchen
Boiler located in the loft
What is the component shown here?
Equipotential bonding
Supplementary bonding
Cross bonding
Temporary continuity bonding
As plumbers, if we disconnect a hot or cold service etc, it is our responsibility to make sure the earth clip is reinstated for which of the following?
Equipotential bonding
Supplementary bonding
Cross bonding
Temporary continuity bonding
STATEMENT: The central core is the earth which needs sleeving placed over it, governed by the Circuit Protective Conductor.
True
False
Define a 'two way switch'.
To allow the live to be switched off in different places
To allow multiple points to switch on but only when they are all facing down
To allow the live to be switched off in one place
