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.
Which one of the following earthing arrangements is shown in the diagram?
2.
What are the 3 most common methods of earthing in the UK?
3.
What is represented by Zs in the following formula: Zs = Ze+(R1+R2)?
4.
Cables in wooden joists must beat least what distance from the top or bottom:
5.
Which one of the following devices is suitable for an installation supplying an X-ray machine in a hospital?
6.
The symbol shown represents?
7.
A typical insulator for an overhead line transmission system would be?
8.
Which one of the following would NOT be required when compiling a specification for an installation?
9.
If the earth resistance value of the whole system is greater than 10? how should a permanent reduction be achieved?
10.
If a main equipotential bonding conductor is connected to a gas pipe, the connection must be made within?
11.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
12.
A layout drawing shows a proposed route for a cable run. If the scale is 1:50 and the route length on the drawing is 85mm, the length of the cable will be?
13.
What is the term used, where we connect all the extraneous metalwork not connected to the electrical system to earth?
14.
In a wet room where is a bath located:
15.
A circuit installed to supply a fire panel would be identified as:
16.
Which one of the following describes Basic Protection?
17.
In domestic lighting systems the components used to control the circuits are:
18.
What is the purpose of the National Grid?
19.
Which one of the following symbols represents the rating factor for the type of protective device?
20.
To complete an electrical installation it will normally be necessary for an electrician to be provided with?
21.
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?
22.
Which voltage is used in the transmission of electrical energy via the super grid?
23.
In which of the following parts of the electrical distribution network would a step-down transformer be located?
24.
Day work is work that is carried out?
25.
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?
26.
The metal parts of a DB casing have become live due to a short circuit from a line conductor. Prevention of an electric shock is by?
27.
Which one of the following is a transmission voltage?
28.
The main purpose of as fitted drawings is to form part of the?
29.
Which one of the following describes the process of a solar photo voltaic system?
30.
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?
31.
Which of the following documents is not produced by the client:
32.
Band I and Band II circuits can be enclosed in the same enclosure provided that:
33.
Which one of the following is the maximum current carrying capacity for a single core 6mm² 70 degrees celsius thermoplastic insulated non armoured cable enclosed in conduit on a wall installed for a single phase circuit?
34.
The majority of electrical power distributed within the UK is transmitted by which of the following?
35.
The letters PUWER stand for?
36.
What is a usual stated maximum resistance of the distributors earth electrode at the supply transformer for a TT system?
37.
The earthed neutral of the authorities supply must be fitted at the intake position with a?
38.
Where saddles are to be installed to support a long vertical run of conduit to ensure accuracy it would be appropriate to use a
39.
Mineral insulated cables are sometimes provided with an overall covering of pvc to?
40.
What is the Ze for a TN-C-S system?
