Welcome to your 2365 203 Electrical Installations Technology
1.
What is the maximum permitted voltage drop of a cable supplied from a three-phase 400V supply
2.
A fuse fulfils the following purpose:
3.
By law electricity nominal supply voltages must be kept within?
4.
What value of earth electrode resistance must not be exceeded, because of changes in the ground and weather may cause it to be unstable?
5.
A circuit installed to supply a fire panel would be identified as:
6.
The image represents which type of earthing system?
7.
What is the Current Carrying capacity (It) of a 1mm2 Single core Thermoplastic PVC non armoured cable, that is installed in conduit?
8.
Which type of cable cannot be connected to an earth electrode?
9.
Which one of the following symbols represents the rating factor for thermal insulation?
10.
When cabling is routed through insulation the rated:
11.
The preferred method of instructing the client in the correct use and maintenance of electrical equipment used within an installation would be to?
12.
Which one of the following describes the process of a solar photo voltaic system?
13.
Which one of the following is the correct drawing scale where a wall, 4m in length measures 8cm on a drawing?
14.
If class II and class I cabling is in the same cable space how should it be placed:
15.
A circuit breaker offering circuit overload and short circuit protection operates due to the following effects:
16.
Who would normally prepare an 'as fitted' drawing?
17.
The type of wiring for use in a factory with high ambient temperatures is
18.
What voltage is represented by the Blue colour outlets
19.
Band I and Band II circuits can be enclosed in the same enclosure provided that:
20.
Why is the supply voltage transformed to different levels and not just supplied from the generating station at 230 Volts?
21.
25mm flat twin with cpc cable would normally be used for a?
22.
Day work is work that is carried out?
23.
Which one of the following symbols represents the rating factor for the type of protective device?
24.
What does the picture represent?
25.
A typical insulator for an overhead line transmission system would be?
26.
Which one of the following is the conduit capacity factor to be used where a 25mm conduit has 2 bends in a 6m run?
27.
It is important to record materials received and used on site in order to?
28.
What is the maximum percentage of trunking that can be filled with cable:
29.
The main purpose of as fitted drawings is to form part of the?
30.
Which one of the following is a typical distribution voltage for a medium-sized factory where a private sub station is located?
31.
Which one of the following is an exposed conductive part?
32.
A tracer device is used to?
33.
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?
34.
When installing conduit along a wall a distance saddle would be used why:
35.
What is meant by the term zone of protection?
36.
Who is responsible for supplying the consumers earth in a TT installation?
37.
The typical cabling for use in electrical installations in domestic premises would be
38.
The minimum bending radii of Mineral Insulated (MICC) cable is how many times the cable diameter for: rework (and non-rework)
39.
Which one of the following is a transmission voltage?
40.
The EAWR 1989 requires that before work may commence it must be shown that a person is what?