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- Q 1/10Score 0What is the minimum height of socket outlet above floor level?29B. 40cmA. 30 cmC. 20cmD. 60 cm
10 questions
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- Q1What is the minimum height of socket outlet above floor level?B. 40cmA. 30 cmC. 20cmD. 60 cm30s
- Q2The height of switch is between………..above floor level.30 to 45 cm75 to 88 cm1 to 1.5 m2 to 2.7 m30s
- Q3Calculate the resistance ( R ) supplied by 24 volts and the current drawn is 4 A in circuit shown.12 ohms2 ohms8 ohms6 ohms30s
- Q4How many intermediate switch needed to control a lamp from 6 locations?614230s
- Q5Photocells convert ……… energy into electrical energy.ChemicalLightMechanicalNuclear30s
- Q6What is the trip current rating of RCD for lighting circuit?0.03 A0.3 mA3.3A300 mA30s
- Q7Insulation test is carried out to ensure thatall switches are workingthere is powerthe insulation between wires have acceptable valuethere is no cut between wires30s
- Q8What is the standard size of Line and neutral wire used for ring main circuit?2 mm21.5 mm23 mm22.5 mm230s
- Q9Calculate the value of voltage from the circuit shown.2 volts6 volts4 volts1 volts30s
- Q10A device used to measure the energy consumedKilo-Watt-Hour MeterKilo-Watt-Hour MeterMCCBService entrance Cable30s