Welcome to your 18th Edition 60 mins
1.
Which of the following systems shall not be used to supply equipment used in repair and alteration work on construction sites?
2.
If there is a fault to earth on the HV side of a transformer, which types of overvoltage could affect the LV side ?
3.
On caravan sites, overhead conductors in areas subject to vehicle movement shall be placed at a minimum height above ground of?
5.
In a 230V TN system, for final circuits with socket outlets exceeding 32A but less than 63A the disconnection time is limited to:
6.
Which of the following may be used to provide emergency switching for a motor?
8.
A permanent warning notice must be fixed at or near the point of connection, of every earthing conductor to an earth electrode bearing the words?
9.
When considering the fundamental principles of an electrical instalaltion, which of the following should a designer have knowledge of relative to the what protective equipment is required
10.
A cable concealed in a wall outside the prescribed zones at a depth of less than 50 mm must?
11.
A simple method to allow for measured values of loop impedance to be effectively compared with BS7671 tabulated maximum values, is to correct these maximum values by multiplying them by?
12.
Touch voltage should be limited to
13.
Methods of inspection and testing are described in which Guidance Note?
14.
Which of the following is an SPD?
15.
20A final circuit is the wiring between?
16.
When cables are placed directly in the ground they should be buried at a depth?
17.
BS 7671 requires designers to take into account the frequency and quality of maintenance an installation can reasonably be expected to receive when
18.
In the latest colouring system the neutral in a three-phase AC system will be?
19.
BS 7671 identifies that the cross-sectional area of a conductor shall be determined by"
20.
A PV convertor shall have a switch-disconnector provided on?
22.
Protection against overcurrent is dealth with in which Chapter?
23.
With reference to the nature of the supply, which one of the following can be determined by calculation, enquiry or measurement?
24.
The ambient air temperature rating factor for 90ºC thermosetting cables operating in an ambient air temperature of 60ºC is?
25.
Which of the following forms part of the assessment of general characteristics?
26.
What should be made part of a PEI design to help combine information or data from or to the DNO, Electricity supplier and user?
28.
Multicore cables on a perforated tray are covered by reference method?
29.
Which of the following items does not offer 'basic' protection:
30.
BS 5839 deals with the system design, installation and servicing of?
By Neil