Welcome to your 2365 203 Electrical Installations Technology. This mock exam is not a substitute for proper teaching or revision and should only be used as a resource to prepare learners for the exam. The questions (along with the wording and diagrams) contained within the bank of this exam are purely made up by our lecturers and not copied from any actual qualification exam. So while this is an excellent free revision resource, please do not rely on these exam questions alone to help you be successful within your qualifications. When you are ready, please press "start quiz".
1.
What is represented by Zs in the following formula: Zs = Ze+(R1+R2)?
2.
What types of structures or installations need the highest possible degree of protection?
3.
Which of the following is NOT a statutory document?
4.
The use of excessive adhesive when joining pvc conduit could cause
5.
What is the maximum permitted voltage drop of a cable supplied from a three-phase 400V supply
6.
If a ring main circuit has a 32 A fuse 230 V supply the maximum power available at any one time is
7.
The main purpose of the manufacturers data is to provide installation information and
8.
What is the typical maximum earth fault loop impedance outside the consumers installation for a TNC-S system, quoted by the DNO?
9.
What is attached to the pylon in the picture?
10.
A layout drawing shows a proposed cable run. The scale is 1:100 and the length on the drawing is 65mm the length of the cable is?
11.
Which one of the following is metal cable trunking?
12.
Which one of the following is the type of fixing shown?
13.
Which one of the following is the correct drawing scale where a wall, 4m in length measures 8cm on a drawing?
14.
When taking a telephone message for a colleague it is essential to?
15.
The earthed neutral of the authorities supply must be fitted at the intake position with a?
16.
Which one of the following is an exposed conductive part?
17.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
18.
What do the letters CDM stand for:
19.
The EAWR 1989 requires that before work may commence it must be shown that a person is what?
20.
Which one of the following is an exposed conductive part?
21.
A typical insulator for an overhead line transmission system would be?
22.
The most common type of cable used for the underground distribution of electricity is?
23.
With reference to an electrical installation metal gas and water pipes entering a building are referred to as:
24.
The Health and Safety at Work Act?
25.
One of the main aims of the Health and Safety at Work Act 1974 is to secure the health, safety and welfare of people where?
26.
On a scaled drawing 10mm represents 1m when scaling up for the site values must be taken from the drawing and multiplied by?
27.
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?
28.
Which one of the following devices will disconnect in the fastest time if a short circuit current of approximately 400A occurred on a circuit?
29.
In domestic lighting systems the components used to control the circuits are:
30.
What do the letters T - N - C & S stand for with regard to earthing systems?
31.
What is the term used, where we connect all the extraneous metalwork not connected to the electrical system to earth?
32.
The purpose of earthing electrical equipment such as washing machines and cooker casings is to ensure that in the event of a fault these parts:
33.
Which one of the following is the value of voltage drop per ampere per metre for a 10mm² insulated and sheathed flat thermoplastic 70 degrees celsius cable intended to supply a single phase circuit?
34.
The type of wiring for use in a factory with high ambient temperatures is
35.
If a main equipotential bonding conductor is connected to a gas pipe, the connection must be made within?
36.
In a wet room where is a bath located:
37.
When installing equipment a contracting electrician must be able to?
38.
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables: 8 x 1.5mm2; , 2 x 2.5mm2; , 2 x 4.0mm2?
39.
Which one of the following symbols represents the rating factor for ambient temperature?
40.
Which one of the following earthing arrangements is shown in the diagram?
By Neil