Electrical Principals and Processes
Quiz by Ricky Fleet
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57 questions
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- Q1What document should be referred to for specific wiring details of domestic heating controls?Building RegulationsPart PManufacturer's instructionsUser Instructions30sEditDelete
- Q2Which is the most likely supply voltage type and rating used for a central heating circulating pump?230V AC110V DC230V DC110V AC30sEditDelete
- Q3Which of the following would be found on a low voltage central heating wiring system?24V DC110V AC24V AC12V DC30sEditDelete
- Q4What type of domestic electrical circuit is shown in the diagram?Radial circuitRing main circuitLighting circuitSpur circuit30sEditDelete
- Q5What type of domestic electrical circuit is shown in the diagram?Ring main circuitRadial circuitSpur circuitLighting circuit30sEditDelete
- Q6Which of the following earth arrangements uses an installation earth electrode as part of the earth fault path?TTTN-C-STN-CTN-S30sEditDelete
- Q7What is the following earth arrangement?TN-CTN-C-STN-STT30sEditDelete
- Q8What is the following earth arrangement?TN-C-STN-STTTN-S30sEditDelete
- Q9Which one of the following conductors connects an installation main earthing terminal to the incoming copper mains water pipe?Supplementary bonding conductorHigh integrity protective conductorMain protective bonding conductorCircuit protective conductor30sEditDelete
- Q10Which one of the following would be used to connect 2 pipes together in a bathroom?High integrity protective conductorSupplementary bonding conductorCircuit protective conductorMain protective bonding conductor30sEditDelete
- Q11Which one of the following components operates under earth fault conditions only?RCDCircuit breakerHBC fuseRCBO30sEditDelete
- Q12Identify the protective device which operates when the system is overloaded?RCBORCDHBC fuseCircuit breaker30sEditDelete
- Q13What is the component shown in the image?Cartridge fuseCircuit breakerRCDRCBO30sEditDelete
- Q14Out of the following cartridge fuses which would be used to provide overcurrent protection to a 230V domestic central heating circuit with a total load of 600W?16A6A13A3A30sEditDelete
- Q15Identify the marked component in the diagramSupplier’s cut outConsumer’s main earth terminalConsumer’s control unitSupplier’s energy meter30sEditDelete
- Q16Identify the marked component in the diagramSuppliers meterConsumer's control unitSupplier's main fuseConsumers main earth terminal30sEditDelete
- Q17Identify the marked component in the diagramSuppliers energy meterConsumers control unitConsumers main earth terminalSuppliers cut out30sEditDelete
- Q18Which one of the following protection methods applies when installing circuits using single core cable?The cables must be protected by a RCDThe cables must be enclosed within conduitThe cables must be buried within the wallThe cables must be clipped to the surface30sEditDelete
- Q19Which one of the following would be most likely to be damaged first in the event a current exceeds its maximum capacity?Cable containmentCable sheathingCable coreCable insulation30sEditDelete
- Q20What is the component shown in the image?Terminal stripTemporary continuity bondingPillar terminalEarth bonding clamp30sEditDelete
