Welcome to your 2365 203 Electrical Installations Technology
1.
Which one of the following uses sunlight to generate electricity?
2.
Which one of the following types of power stations does not use a fossil fuel to generate electricity?
3.
Which one of the following would NOT be required when compiling a specification for an installation?
4.
A Scale drawing of a room is drawn 100mm x 150mm. The actual size of the room is 5m x 7.5m. Which of these ratios represents the scale used?
5.
In domestic lighting systems the components used to control the circuits are:
6.
Day work is work that is carried out?
7.
What is attached to the pylon in the picture?
8.
Which one of the following describes Basic Protection?
9.
Additional cable supports should be provided in trunking where:
10.
Which is the IP code for an accessible top surface of an enclosure?
11.
What is the typical maximum earth fault loop impedance outside the consumers installation for a TNC-S system, quoted by the DNO?
12.
Which one of the following is a transmission voltage?
13.
Where saddles are to be installed to support a long vertical run of conduit to ensure accuracy it would be appropriate to use a
14.
The use of excessive adhesive when joining pvc conduit could cause
15.
The main purpose of an assembly diagram is?
16.
If a 1:20 scale drawing of a room measures 220mm X 100mm, what is its actual size?
17.
Which one of the following symbols represents the rating factor for ambient temperature?
18.
On a drawing what does this symbol represent?
19.
By law electricity nominal supply voltages must be kept within?
20.
Which one of the following is an exposed conductive part?
21.
A scale drawing of a building is drawn 500mm x 300 mm. The actual size of the building is 25m x 15m. What scale is used?
22.
A room measures 4.25 metres long what would it measure on a drawing scaled at 1:20?
23.
Which one of the following is the correct name of the component which links the main earthing terminal of an installation to the means of earthing?
24.
With reference to an electrical installation metal gas and water pipes entering a building are referred to as:
25.
From which regulation does this definition come from and refer to: all equipment which is intended to be worn, or held, to protect against risk to health and safety?
26.
If the voltage drop in an installation exceeds the permissible value it may be corrected by
27.
What does the picture represent?
28.
The main purpose of equipotential bonding is to
29.
By which process do nuclear power stations produce electricity?
30.
The Health and Safety at Work Act?
31.
On a layout plan, what information will be found?
32.
A drawing is produced to a scale of 1:50 showing a socket outlet installed 3.5cm from the corner of a room. Which one of the following is the actual distance from the corner in the room?
33.
What voltage is represented by the Blue colour outlets
34.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
35.
Which one of the following is the value of voltage drop in millivolts per ampere per metre for a 4mm² multi core thermosetting non armoured cable intended to supply a single phase circuit?
36.
What types of structures or installations need the highest possible degree of protection?
37.
An immersion type water heater is to be installed. If the water heater is rated at 3 kW 230 V it should be installed as a
38.
Which one of the following earthing arrangements is shown in the diagram?
39.
Which one of the following is a typical distribution voltage for a medium-sized factory where a private sub station is located?
40.
A circuit breaker offering circuit overload and short circuit protection operates due to the following effects:
By Neil