Welcome to your 2365 203 Electrical Installations Technology
1.
The earthed neutral of the authorities supply must be fitted at the intake position with a?
2.
Typical voltages used for the transmission and distribution are respectively?
3.
What does the picture represent?
4.
It is beneficial to use transformers to produce high voltages for energy transmission in order to?
5.
Which one of the following is an extraneous conductive part?
6.
Which one of the following methods of generating electricity uses fossil fuels?
7.
Which one of the following is the type of fixing shown?
8.
The majority of electrical power distributed within the UK is transmitted by which of the following?
9.
If conductors are not clean when making a joint with a crimping tool the most likely results will be
10.
On a drawing what does this symbol represent?
11.
Which one of the following is the type of conduit fixing shown?
12.
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?
13.
What is attached to the pylon in the picture?
14.
A fuse fulfils the following purpose:
15.
When electrical energy is transmitted at 400 kV. It is known as?
16.
The minimum bending radii of Mineral Insulated (MICC) cable is how many times the cable diameter for: rework (and non-rework)
17.
Which of these systems has the neutral and earth in one conductor?
18.
What is the maximum percentage of trunking that can be filled with cable:
19.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
20.
The type of wiring for use in a factory with high ambient temperatures is
21.
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?
22.
What does the picture represent?
23.
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?
24.
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?
25.
Which one of the following is an exposed conductive part?
26.
What is represented by Zs in the following formula: Zs = Ze+(R1+R2)?
27.
Which of the following documents is not produced by the client:
28.
Which one of the following is an ideal method of storing and retrieving large quantities of parts and prices data?
29.
Additional cable supports should be provided in trunking where:
30.
Which one of the following symbols represents the rating factor for the type of protective device?
31.
Which one of the following earthing arrangements is shown in the diagram?
32.
The purpose of a protective device in a circuit is to
33.
The conductors used for overhead super-grid wires are made from?
34.
So that all contractors can understand the content of site and other drawings they are provided with, it is necessary to?
35.
What is a usual stated maximum resistance of the distributors earth electrode at the supply transformer for a TT system?
36.
A diagram showing components of a circuit are connected together using symbols is called a?
37.
To complete an electrical installation it will normally be necessary for an electrician to be provided with?
38.
What is the main purpose of equipotential earth bonding?
39.
The insulation material in mineral insulated cable is
40.
What voltage is represented by the Blue colour outlets
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