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WorksheetsElectrical Principles 6035-02 | Part 4
Total questions: 40
Worksheet time: 21mins
Under what regulation do you as a plumber, not have to be qualified by what Building Regulation to replace a like-for-like component, unless it is in a danger zone?
Part L
Part P
Part G
Part E
What is the component shown here?
Pillar terminal
Claw type terminal
Screw/nut head terminal
Strip connector
The live conductor in fixed-cable installations is identified by the insulation being coloured?
Red
Green/yellow
Blue
Brown
The image shown here is?
TNCS from neutral
TNS from armoured cable
TT from electrode
If a person has suffered an electric shock, who may need to be called?
First aiders
Qualified electricians
Supervisors
Which of the following is considered a danger zone in regards to the boiler?
Boilers located in the loft
Boilers located in the kitchen
STATEMENT: A polarity test must first be carried out dead before allowing any electricity.
True
False
What would be the resistance of a domestic appliance if the fuse size was 4 amp?
76.7 ohms
57.5 ohms
46 ohms
38.3 ohms
In the case of any critical fault, who is your 'responsible person' that you must advise?
First aiders
Qualified electricians
Supervisors
The residual current breaker with overload is identified by which of the following images?
The fused spur is used to connect appliance to the ring final, giving?
The correct voltage
The correct ampere
The safest method of resistance in the circuit
A point of isolation
What is the component shown here?
Multimeter
Manometer
Socket tester
For supplementary bonding the earth cable used is what size?
2mm²
4mm²
6mm²
10mm²
What type of flex is used on an immersion heater?
Trunking
Typical flex
Armoured cable
Heat resistant flex
Which of the following is not a result of poor workmanship?
RCDs being installed
Incorrect flex sizes
Incorrect fuse sizes
Bad installations
What is the most common timer that a plumber would come across?
Programmable room thermostats
Central heating programmer
Consumer units
Astronomic timers
Which of the following does not use heat resistant flex?
Kettles
Irons
Immersion heaters
Extension leads
What size MCB is used in the protection of ring finals?
6 amp
16 amp
32 amp
32-45 amp
Of the following, select the flush mounted switch.
The maximum fuse size that a domestic 3 pin plug can have is?
8amp
9amp
10amp
13amp
To protect the consumer from electric shocks, which of the following would not be used as an insulator?
Rubber
Plastic
Glass
Brass
On the image displayed, what terminal is the arrow pointing to?
Earth
Live
Neutral
What size earth cable is used on cross bonding?
2mm²
4mm²
6mm²
10mm²
Which of the following does not require an electrical safe isolation before any kind of work starts?
Thermostats
Immersion heaters
Gate valves
Plugs and spurs
Which type of cable would large electric showers(11kW) use?
1.5mm twin and earth
2mm twin and earth
6mm twin and earth
10mm twin and earth
In which current includes cathodes and anodes, in which the cathode eats away at the anode?
AC - alternating current
DC - direct current
What must all modern circuits be protected by?
An additional fuse
An increase fuse size
Inclusion of an RCD
Replacing all MCB's with RCD's
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
The supplementary bonding earth clips are made to which British Standard?
BS 6700
BS 8000
BS 7272
BS 951
What component is the arrow pointing to in the image shown?
Residual current device
Miniature circuit breaker
Main earth bar
Main consumer unit
Name the major electrical control part that is missing that would exist on an S-plan system.
Programmer, Cylinder thermostat, Room thermostat, Boiler thermostat, (a) , Zone valves.
When plugging in a socket tester, how many lights should come on to confirm that the socket is 'fine'?
None
One, the middle light
Two, both side lights
All three
STATEMENT: The need to remove any paint over pipework is not needed as the temporary continuity bonding clips will work sufficiently when placed over the paint, keeping the plumber safe.
True
False
Faulty installations could lead to which of the following consequences?
Fire
Component failure
Reduced life of components
All of the above
Temporary de-commissioning can be done at:
The consumer unit
The appliance
STATEMENT: When performing safe isloation, you must prove the appliance is dead by using the voltage indicator between all combinations. L-N, L-CPC and N-CPC.
True
False
Isolators for electric showers in the bathroom are considered to be in a 'danger zone' and will have which pull cord?
Single pole isolator
Double pole isolator
Which of the following is described as, "the ampere and can be defined as the unit of quantity or volume passing down a conductor?
Voltage
Current
Resistance
What type of electrical component would use 2.5mm twin and earth on typical cable?
Lightings
Ring mains
Small electric showers
Larger electric showers
What is the component shown here?
Equipotential bonding
Supplementary bonding
Cross bonding
Temporary continuity bonding
