Electric 4
Quiz by Brett Sweet
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48 questions
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- Q1What document should be referred to for specific wiring details of domestic heating controls?Manufacturer’s instructionsBuilding regulationsPart PUser instructions60s
- Q2Which is the most likely supply voltage type and rating used for a central heating circulating pump?230V DC110V AC230V AC110V DC60s
- Q3Which of the following would be found on a low voltage central heating wiring system?24V DC24V AC12V DC110V AC60s
- Q4What type of domestic electrical circuit is shown in the diagram?Lighting circuitRadial circuitRing main circuitSpur circuit60s
- Q5What type of domestic electrical circuit is shown in the diagram?Lighting circuitRing main circuitSpur circuitRadial circuit60s
- Q6Which of the following earth arrangements uses an installation earth electrode as part of the earth fault path?TN-STN-CTN-C-STT60s
- Q7Which one of the following conductors connects an installation main earthing terminal to the incoming copper mains water pipe?Main protective bonding conductorCircuit protective conductorHigh integrity protective conductorSupplementary bonding conductor60s
- Q8Which one of the following would be used to connect 2 pipes together in a bathroom?High integrity protective conductorCircuit protective conductorMain protective bonding conductorSupplementary bonding conductor60s
- Q9Which one of the following components operates under earth fault conditions only?RCBOCircuit breakerHBC fuseRCD60s
- Q10Identify the protective device which operates when the system is overloaded?RCBORCDHBC fuseCircuit breaker60s
- Q11What is the component shown in the image?Cartridge fuseRCBORCDCircuit breaker60s
- Q12Out 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?13A16A6A3A60s
- Q13Identify the marked component in the diagramConsumer’s main earth terminalSupplier’s energy meterConsumer’s control unitSupplier’s cut out60s
- Q14Identify the marked component in the diagramSuppliers cut outConsumers control unitConsumers main earth terminalSuppliers energy meter60s
- Q15Which one of the following protection methods applies when installing circuits using single core cable?The cables must be clipped to the surfaceThe cables must be enclosed within conduitThe cables must be buried within the wallThe cables must be protected by a RCD60s
