Electrical Engineering Multiple Choice Questions and Answers, Exams of Electrical Engineering

A series of multiple-choice questions related to electrical engineering principles and practices. It covers topics such as electrical safety regulations, wiring, circuit design, renewable energy sources, and electrical distribution networks. The questions are designed to test understanding and application of key concepts in electrical installations and systems, making it a useful resource for students and professionals in the field. A valuable tool for self-assessment and exam preparation, covering a wide range of essential topics in electrical engineering. It includes questions on cable sizing, voltage drop calculations, protective devices, and earthing systems, offering a comprehensive review of electrical engineering fundamentals. The multiple-choice format allows for quick and efficient testing of knowledge, making it an ideal resource for students and professionals alike.

Typology: Exams

2025/2026

Available from 11/14/2025

Prof-Morrison
Prof-Morrison 🇺🇸

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The Disability Discrimination Act deals with equal opportunities in relation to
employment, provision of goods, services, education and transport and is now
known as
Equality Act 2010
3 multiple choice options
These give guidance on how to comply with BS7671
IET Guidance Notes
3 multiple choice options
Guidance Note 3 gives clarification of BS7671 in regards to;
Inspection and Testing
3 multiple choice options
'System consists of 1.5mm2, 3c MICC cable'.
This statement may be found in the;
Specification
3 multiple choice options
A diagram provided to you to allow you to make the necessary connections more
easily. (a diagram that shows you how to actually connect the different
components)
Wiring
3 multiple choice options
Which one of the following is the correct drawing scale where a wall, 1.3m in
length, measures 5mm on a drawing?
1:260
3 multiple choice options
A garden light is to be positioned 18m away from the house. A 1:50 scale drawing
is to be produced. How long will the line on the scale drawing measure?
360mm
3 multiple choice options
A drawing is produced to a scale of 1:75 showing a Consumer Control Unit
installed 0.2cm from the corner of a room. Which one of the following is the
actual distance from the corner in the room?
0.15m
3 multiple choice options
Intruder alarm systems are usually connected in:
Series (closed circuit)
3 multiple choice options
The type of switch required for an electric shower;
Double pole pull switch with indicator lamp and mechanical ON/OFF indicator
3 multiple choice options
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The Disability Discrimination Act deals with equal opportunities in relation to employment, provision of goods, services, education and transport and is now known as Equality Act 2010 3 multiple choice options These give guidance on how to comply with BS IET Guidance Notes 3 multiple choice options Guidance Note 3 gives clarification of BS7671 in regards to; Inspection and Testing 3 multiple choice options 'System consists of 1.5mm2, 3c MICC cable'. This statement may be found in the; Specification 3 multiple choice options A diagram provided to you to allow you to make the necessary connections more easily. (a diagram that shows you how to actually connect the different components) Wiring 3 multiple choice options Which one of the following is the correct drawing scale where a wall, 1.3m in length, measures 5mm on a drawing? 1: 3 multiple choice options A garden light is to be positioned 18m away from the house. A 1:50 scale drawing is to be produced. How long will the line on the scale drawing measure? 360mm 3 multiple choice options A drawing is produced to a scale of 1:75 showing a Consumer Control Unit installed 0.2cm from the corner of a room. Which one of the following is the actual distance from the corner in the room? 0.15m 3 multiple choice options Intruder alarm systems are usually connected in: Series (closed circuit) 3 multiple choice options The type of switch required for an electric shower; Double pole pull switch with indicator lamp and mechanical ON/OFF indicator 3 multiple choice options

The two cables that run between the switches of a two way lighting circuit are known as; Strappers 3 multiple choice options An A2 standard circuit is : Circuit Type-Radial, Max Area - 75m2, Cable size - 4mm2, Fuse size - 30/32A 3 multiple choice options Silicone insulated FP200 cables required ferrules. These are no longer required if the cable insulation is; Insudite 3 multiple choice options Which one of the following symbols represents the rating factor when using a BS3036 Semi-enclosed Re-Wirable Fuse? Cf 3 multiple choice options What is the maximum permissible voltage drop of a lighting circuit in a dwelling? 6.9V 3 multiple choice options The current carrying capacity of a cable can be shown as; It 3 multiple choice options Which one of the following is the value of voltage drop, in millivolts per ampere per metre, for a 1.5mm2 700 thermoplastic, insulted and sheathed flat cable 29 mV/A/m 3 multiple choice options Which one of the following devices has the highest tolerance to overloads BS EN 60898 Type D 3 multiple choice options A high breaking capacity (HBC, previously HRC) fuse has the British Standard BS 88- 2 3 multiple choice options Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables: · 2 x 10mm · 1 x 16mm 2 x 25mm2? 32mm 3 multiple choice options Which one of the following is the minimum conduit size suitable for a 3.5m straight run containing the following stranded cables: 32mm 3 multiple choice options Which one of the following is the conduit capacity factor to be used where a 32mm conduit has 4 bends in a 1..5m run? 600 3 multiple choice options

Toilet water 3 multiple choice options A turbines sweeping area must not exceed; 3.8m 3 multiple choice options Which of the following is not a renewable source of energy Nuclear 3 multiple choice options Greywater Can be used for irrigation purposes 3 multiple choice options Which of the following must be considered when planning to install a micro- renewable system Location of renewable source, regulations, building location, building fabric 3 multiple choice options Places specific duties on the client, designer and contractors to think about health and safety of a building project throughout its life. Construction design and management Regulations 3 multiple choice options The electricians guide to good electrical practice. Unite Union Book 3 multiple choice options Guidance Note 1 gives clarification of BS7671 in regards to; Selection and erection of equipment 3 multiple choice options A Frost stat (£40+ VAT), Product code: TTF562F, Manufacturer: Smart Electro are all pieces of information found in Manufacturer/Supplier information 3 multiple choice options A type of diagram that clearly shows how a system works; Circuit 3 multiple choice options Which one of the following is the correct drawing scale where a wall, 3.4m in length, measures 1.7cm on a drawing? 1: 3 multiple choice options A drawing is produced to a scale of 1:20 showing a fluorescent light installed 7.2cm from the edge of a room. Which one of the following is the actual distance from the corner in the room? 1.44m 3 multiple choice options Fire alarm detectors are usually connected in: Parallel (open circuit) 3 multiple choice options A device connected to the end of a circuit to check that the circuit has not been broken

EOL (end of line resistor) 3 multiple choice options A1 circuit; Circuit Type-Ring, Max Area - 100m2, Cable size - 2.5mm2, Fuse size - 30/32A 3 multiple choice options Which one of the following symbols represents the rating factor when running multiple cables together? Cg Calculate Drop of a cable if the conductor length is 25m, Ib of 2.65A and tabulated volt drop value of 44 mV/A/m. 2.9V 3 multiple choice options Determine the correction factor for a 700 thermoplastic cable in an environment with temperatures of 350C

3 multiple choice options Which of the following is untrue; In ≥ It 3 multiple choice options Which one of the following devices is suitable for an installation supplying a fluorescent lighting and small motors in commercial premises? BS EN 60898 Type C 3 multiple choice options Which one of the following is the minimum conduit size suitable for a short straight run containing the following cables: · 3 x 1.5mm2 Stranded · 3 x 2.5mm2 Solid · 1 x 1.5mm2 Solid 3 x 2.5mm2 Stranded? 20mm 3 multiple choice options Which one of the following is the minimum conduit size suitable for a 4.6m run containing 3 bends, carrying the following stranded cables: · 4 x 1.5mm · 2 x 2.5mm · 4 x 6.0mm2? 32mm 3 multiple choice options Incoming gas and water pipes need to be connected to the main earthing terminal (MET) using; Main protective bonding conductors 3 multiple choice options If 25mm2 tails are used to supply a TNS installation. What is the minimum size main protective bonding conductor to be used? 10mm 3 multiple choice options