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Unit 203 Mock Installation Technology Questions

Oliver Balay 40 questions 64,735 views 5.0 (3 ratings) Updated 27 Jun 2019

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1Which one of the following directly affects all persons working with electricity in a working environment?
1. AElectricity Safety, Quality and Continuity Regulations
2. BBS 7671
3. CElectricity at Work Regulations
4. DConstruction design and management Regulations
2Which one of the following are non-statutory regulations?
1. AElectricity at Work Regulation
2. BManual Handling Regulation
3. CBS 7671
4. DProvision and Use of Work Equipment Regulations
3Which one of the following is a direct implication of not complying with statutory regulations?
1. ALoss of earnings
2. BLost clients
3. CDismissal
4. DProsecution
4The document showing the location of electrical equipment in an electrical installation is a:
1. Aspecification
2. Bdrawing
3. Cvariation order
4. DGantt chart
5Which one of the following diagram types does not show individual conductors or cables but shows the sequence of equipment?
1. ABlock
2. BCircuit
3. CSchematic
4. DBar chart
6The symbol shown represents:
1. Aone-way switch
2. Btwo-way switch
3. Cintermediate switch
4. Dpull switch
7Which one of the following is the correct drawing scale where a wall, 4m in length, measures 8cm on a drawing?
1. A1:50
2. B1:100
3. C1:200
4. D1:500
8A 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?
1. A0.875m
2. B1.75m
3. C3.5m
4. D7m
9A circuit installed to supply a fire panel would be identified as:
1. Apower and heating
2. Bdata communication
3. Ccontrol circuit
4. Dalarm and emergency system
10The type of trunking that can be used as a circuit protective conductor is:
1. Amini
2. BPVC dado
3. Csteel
4. Dplastic

11The insulation material of mineral insulated metal sheathed cables is absorbent; therefore the terminations must be:
1. Awatertight
2. Bcorrectly identified
3. Cfitted with a gland
4. Dfitted with a shroud
12Additional cable supports should be provided in trunking where:
1. Asegregation is required
2. Bthere are long vertical runs
3. Ctrunking is made of plastic
4. Dthe walls are made of lightweight block
13Band I and Band II circuits can be enclosed in the same enclosure, provided that:
1. Athe current rating of all circuits does not exceed 10A
2. Bthey are twisted around each other along the trunking length
3. Cevery cable or conductor is insulated for the highest voltage present
4. Dthere are the same number of Band I and Band II circuits
14Which one of the following is the type of conduit fixing shown?
1. ACleat
2. BClip
3. CCrampet
4. DSaddle
15Which one of the following symbols represents the rating factor for thermal insulation?
1. ACi
2. BCa
3. CCf
4. DCg
16Which one of the following is the value of voltage drop, per ampere, per metre, for a 10mm2 multi-core flat thermoplastic 70°C cable, intended to supply a single phase circuit?
1. A44 mV/A/m
2. B11 mV/A/m
3. C4.4 mV/A/m
4. D2.8 mV/A/m
17Which one of the following is the maximum current carrying capacity for a single core 6mm2 70°C thermoplastic insulated non armoured cable, enclosed in conduit on a wall installed for a single phase circuit?
1. A31A
2. B32A
3. C36A
4. D41A
18Which one of the following is the value of voltage drop, in millivolts per ampere per metre, for a 4mm2 multi core thermosetting non armoured cable, intended to supply a single phase circuit?
1. A29 mV/A/m
2. B18 mV/A/m
3. C11 mV/A/m
4. D7.3 mV/A/m
19Which one of the following devices is suitable for an installation supplying an X-ray machine in a hospital?
1. ABS 3036 rewireable fuse
2. BBS EN 60898 Type D
3. CBS EN 60898 Type C
4. DBS EN 60898 Type B
20Which one of the following devices will disconnect in the fastest time if a short circuit current of approximately 400A occurred on a circuit?
1. A32A/30mA Type C RCBO
2. B32A Type B circuit breaker
3. C32A Type C circuit breaker
4. D32A Type D circuit breaker
21Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables:
• 4 x 1.5mm2
• 3 x 2.5mm2?
1. A16mm
2. B20mm
3. C25mm
4. D32mm
22Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables:
• 8 x 1.5mm2
• 2 x 2.5mm2
• 2 x 4.0mm2?
1. A16mm
2. B20mm
3. C25mm
4. D32mm
23Which one of the following is the conduit capacity factor to be used where a 25mm conduit has 2 bend in a 6m run?
1. A111
2. B182
3. C333
4. D600
24The electrical system in which the connection to earth is by an earth electrode is:
1. ATT
2. BTN-S
3. CTN-C
4. DTN-C-S
25Which one of the following earthing arrangements is shown in the diagram?
1. ATN-C-S
2. BTT
3. CTN-C
4. DTN-S
26Which 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?
1. AMain protective bonding conductor
2. BSupplementary equipotential bond
3. CEarthing conductor
4. DFunctional earth
27What is represented by Zs in the following formula:
Zs = Ze + (R1 + R2)?
1. ATotal earth fault loop impedance
2. BExternal earth fault loop impedance
3. CFinal circuit earth fault loop impedance
4. DCombined resistance of the earth path
28Which one of the following defines the term ‘main protective bonding conductor’?
1. AThe conductor which links the MET to an earth electrode
2. BThe conductor which links the MET to extraneous conductive parts
3. CThe conductor which links the MET to exposed conductive parts
4. DThe conductor which links the MET to the means of earthing
29Which one of the following is the purpose of the main protective bonding conductor?
1. ATo raise extraneous conductive parts to the same voltage as the supply under overload
2. BTo raise extraneous conductive parts to the same voltage as the supply under earth fault conditions
3. CTo raise extraneous conductive parts to the same voltage as the supply under normal conditions
4. DTo raise extraneous conductive parts to the same voltage as the supply under transient fault conditions
30Which one of the following is an exposed conductive part?
1. AMetal-clad switch
2. BStructural steelwork
3. CAir conditioning ducting
4. DMetallic oil service pipe
31Which one of the following is metal cable trunking?
1. AEarthed conductive part
2. BExtraneous conductive part
3. CInsulated part
4. DExposed conductive part
32Which one of the following is an extraneous conductive part?
1. AMetallic gas service pipe
2. BMetal-clad twin socket outlet
3. CHeavy duty steel conduit
4. DPVC mini-trunking
33Which one of the following methods of generating electricity uses fossil fuels?
1. AWave power
2. BSolar
3. CGas
4. DWind
34Which one of the following uses sunlight to generate electricity?
1. APhoto-voltaic
2. BBiomass
3. CWind
4. DAir source heat pump
35Which one of the following is a transmission voltage?
1. A400kV
2. B33kV
3. C11kV
4. D400V
36Which one of the following is a typical distribution voltage for a medium-sized factory where a private sub station is located?
1. A230V
2. B400V
3. C5kV
4. D11kV
37In which of the following parts of the electrical distribution network would a step-down transformer be located?
1. APower station
2. BPylon
3. CLocal distribution sub station
4. DInverter
38Which one of the following describes the process of a solar photo voltaic system?
1. ASolar power is used to ignite a biomass which heats up water
2. BSolar power is collected by a solar panel which provides electricity
3. CSolar power is collected by a solar panel which provides hot water
4. DSolar power causes hot air to rise, rotating a generator that produces electricity
39Which one of the following is a suitable use for rainwater harvesting?
1. ABaths/showers
2. BToilet flushing
3. CDrinking water
4. DCooking water
40Which one of the following micro-generation systems requires the least maintenance once installed?
1. AMicro-combined heat and power
2. BAir source heat pump
3. CBiomass
4. DSolar thermal

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Description: Unit 203 Mock Sample Questions
Author: Oliver Balay
Language: English
Views: 64,735
History: Created on 28 May 2015 · updated on 27 Jun 2019
Tags: 2365 electrical installations installation technology unit 203 electrical installation guidelines electrical installation test electrical installation questions cpd
Rating: 5.0 out of 5 · 3 ratings
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Unit 203 Mock Installation Technology Questions

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