Quiz
Unit 203 Mock Installation Technology Questions
Questions in this quiz (40)
1Which one of the following directly affects all persons working with electricity in a working environment?
- AElectricity Safety, Quality and Continuity Regulations
- BBS 7671
- CElectricity at Work Regulations
- DConstruction design and management Regulations
2Which one of the following are non-statutory regulations?
- AElectricity at Work Regulation
- BManual Handling Regulation
- CBS 7671
- DProvision and Use of Work Equipment Regulations
3Which one of the following is a direct implication of not complying with statutory regulations?
- ALoss of earnings
- BLost clients
- CDismissal
- DProsecution
4The document showing the location of electrical equipment in an electrical installation is a:
- Aspecification
- Bdrawing
- Cvariation order
- DGantt chart
5Which one of the following diagram types does not show individual conductors or cables but shows the sequence of equipment?
- ABlock
- BCircuit
- CSchematic
- DBar chart
6The symbol shown represents:
- Aone-way switch
- Btwo-way switch
- Cintermediate switch
- Dpull switch
- Aone-way switch
7Which one of the following is the correct drawing scale where a wall, 4m in length, measures 8cm on a drawing?
- A1:50
- B1:100
- C1:200
- D1:500
- A1:50
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?
- A0.875m
- B1.75m
- C3.5m
- D7m
- A0.875m
9A circuit installed to supply a fire panel would be identified as:
- Apower and heating
- Bdata communication
- Ccontrol circuit
- Dalarm and emergency system
- Apower and heating
10The type of trunking that can be used as a circuit protective conductor is:
- Amini
- BPVC dado
- Csteel
- Dplastic
- Amini
11The insulation material of mineral insulated metal sheathed cables is absorbent; therefore the terminations must be:
- Awatertight
- Bcorrectly identified
- Cfitted with a gland
- Dfitted with a shroud
- Awatertight
12Additional cable supports should be provided in trunking where:
- Asegregation is required
- Bthere are long vertical runs
- Ctrunking is made of plastic
- Dthe walls are made of lightweight block
- Asegregation is required
13Band I and Band II circuits can be enclosed in the same enclosure, provided that:
- Athe current rating of all circuits does not exceed 10A
- Bthey are twisted around each other along the trunking length
- Cevery cable or conductor is insulated for the highest voltage present
- Dthere are the same number of Band I and Band II circuits
- Athe current rating of all circuits does not exceed 10A
14Which one of the following is the type of conduit fixing shown?
- ACleat
- BClip
- CCrampet
- DSaddle
- ACleat
15Which one of the following symbols represents the rating factor for thermal insulation?
- ACi
- BCa
- CCf
- DCg
- ACi
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?
- A44 mV/A/m
- B11 mV/A/m
- C4.4 mV/A/m
- D2.8 mV/A/m
- A44 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?
- A31A
- B32A
- C36A
- D41A
- A31A
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?
- A29 mV/A/m
- B18 mV/A/m
- C11 mV/A/m
- D7.3 mV/A/m
- A29 mV/A/m
19Which one of the following devices is suitable for an installation supplying an X-ray machine in a hospital?
- ABS 3036 rewireable fuse
- BBS EN 60898 Type D
- CBS EN 60898 Type C
- DBS EN 60898 Type B
- ABS 3036 rewireable fuse
20Which one of the following devices will disconnect in the fastest time if a short circuit current of approximately 400A occurred on a circuit?
- A32A/30mA Type C RCBO
- B32A Type B circuit breaker
- C32A Type C circuit breaker
- D32A Type D circuit breaker
- A32A/30mA Type C RCBO
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?- A16mm
- B20mm
- C25mm
- D32mm
- A16mm
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?- A16mm
- B20mm
- C25mm
- D32mm
- A16mm
23Which one of the following is the conduit capacity factor to be used where a 25mm conduit has 2 bend in a 6m run?
- A111
- B182
- C333
- D600
- A111
24The electrical system in which the connection to earth is by an earth electrode is:
- ATT
- BTN-S
- CTN-C
- DTN-C-S
- ATT
25Which one of the following earthing arrangements is shown in the diagram?
- ATN-C-S
- BTT
- CTN-C
- DTN-S
- ATN-C-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?
- AMain protective bonding conductor
- BSupplementary equipotential bond
- CEarthing conductor
- DFunctional earth
- AMain protective bonding conductor
27What is represented by Zs in the following formula:
Zs = Ze + (R1 + R2)?- ATotal earth fault loop impedance
- BExternal earth fault loop impedance
- CFinal circuit earth fault loop impedance
- DCombined resistance of the earth path
- ATotal earth fault loop impedance
28Which one of the following defines the term ‘main protective bonding conductor’?
- AThe conductor which links the MET to an earth electrode
- BThe conductor which links the MET to extraneous conductive parts
- CThe conductor which links the MET to exposed conductive parts
- DThe conductor which links the MET to the means of earthing
- AThe conductor which links the MET to an earth electrode
29Which one of the following is the purpose of the main protective bonding conductor?
- ATo raise extraneous conductive parts to the same voltage as the supply under overload
- BTo raise extraneous conductive parts to the same voltage as the supply under earth fault conditions
- CTo raise extraneous conductive parts to the same voltage as the supply under normal conditions
- DTo raise extraneous conductive parts to the same voltage as the supply under transient fault conditions
- ATo raise extraneous conductive parts to the same voltage as the supply under overload
30Which one of the following is an exposed conductive part?
- AMetal-clad switch
- BStructural steelwork
- CAir conditioning ducting
- DMetallic oil service pipe
- AMetal-clad switch
31Which one of the following is metal cable trunking?
- AEarthed conductive part
- BExtraneous conductive part
- CInsulated part
- DExposed conductive part
- AEarthed conductive part
32Which one of the following is an extraneous conductive part?
- AMetallic gas service pipe
- BMetal-clad twin socket outlet
- CHeavy duty steel conduit
- DPVC mini-trunking
- AMetallic gas service pipe
33Which one of the following methods of generating electricity uses fossil fuels?
- AWave power
- BSolar
- CGas
- DWind
- AWave power
34Which one of the following uses sunlight to generate electricity?
- APhoto-voltaic
- BBiomass
- CWind
- DAir source heat pump
- APhoto-voltaic
35Which one of the following is a transmission voltage?
- A400kV
- B33kV
- C11kV
- D400V
- A400kV
36Which one of the following is a typical distribution voltage for a medium-sized factory where a private sub station is located?
- A230V
- B400V
- C5kV
- D11kV
- A230V
37In which of the following parts of the electrical distribution network would a step-down transformer be located?
- APower station
- BPylon
- CLocal distribution sub station
- DInverter
- APower station
38Which one of the following describes the process of a solar photo voltaic system?
- ASolar power is used to ignite a biomass which heats up water
- BSolar power is collected by a solar panel which provides electricity
- CSolar power is collected by a solar panel which provides hot water
- DSolar power causes hot air to rise, rotating a generator that produces electricity
- ASolar power is used to ignite a biomass which heats up water
39Which one of the following is a suitable use for rainwater harvesting?
- ABaths/showers
- BToilet flushing
- CDrinking water
- DCooking water
- ABaths/showers
40Which one of the following micro-generation systems requires the least maintenance once installed?
- AMicro-combined heat and power
- BAir source heat pump
- CBiomass
- DSolar thermal
- AMicro-combined heat and power
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- Description
- Unit 203 Mock Sample Questions
- Author
- Oliver Balay
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- English
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