Welcome to your 2365 203 Electrical Installations Technology
1.
A tracer device is used to?
2.
A component of a support system consisting of regular spaced elements which mechanically retains a cable is defined as a cable
3.
Which one of the following devices is suitable for an installation supplying an X-ray machine in a hospital?
4.
Which type of cable cannot be connected to an earth electrode?
5.
Which one of the following earthing arrangements is shown in the diagram?
6.
Who would normally prepare an 'as fitted' drawing?
7.
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
8.
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?
9.
A typical insulator for an overhead line transmission system would be?
10.
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables: 4 x 1.5mm2 and 3 x 2.5mm2 ?
11.
If a ring main circuit has a 32 A fuse 230 V supply the maximum power available at any one time is
12.
It is important to record materials received and used on site in order to?
13.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
14.
What is the reason for balancing single phase loads connected across a three phase supply system?
15.
What are the 3 most common methods of earthing in the UK?
16.
Under the EAWR 1989, before work may commence, it must be shown that a person is what?
17.
What is attached to the pylon in the picture?
18.
What is the Current Carrying capacity (It) of a 16mm2 twin and earth Thermoplastic PVC flat cable, that is clipped direct?
19.
Which of the following is likely to be used to meet short term extra demand for electricity?
20.
What does the picture represent?
21.
All Statutory regulations do what?
22.
Which one of the following defines the term main protective bonding conductor?
23.
Which is a notice can a HSE safety Inspector issue?
24.
What do the letters CDM stand for:
25.
It is beneficial to use transformers to produce high voltages for energy transmission in order to?
26.
When marking out trunking for cutting, an electrician would use:
27.
It is the duty of all employees to?
28.
What is represented by Zs in the following formula: Zs = Ze+(R1+R2)?
29.
If a 1:20 scale drawing of a room measures 220mm X 100mm what is its actual size?
30.
What max. spacing should clips for 2.5mm TC+E when ran horizontally be:
31.
The earthed neutral of the authorities supply must be fitted at the intake position with a?
32.
The disconnection time for ring or radial socket outlet circuits is
33.
What does the picture represent?
34.
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?
35.
Connecting together metal parts so that a voltage cannot exist between the metal parts is called
36.
What symbol to BSEN 60617 is shown here?
37.
Which one of the following methods of generating electricity uses fossil fuels?
38.
Which one of the following symbols represents the rating factor for ambient temperature?
39.
By which process do nuclear power stations produce electricity?
40.
Which one of the following symbols represents the rating factor for grouping?
By Neil