3T5_model4
Quiz by Ali alomran
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10 questions
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- Q1Rating current of circuit Breaker for Ring main circuit is :5A32A15A50A30s
- Q2How much trip current of ELCB for power circuit ?0.03 Ampere0.3 Ampere3.0 Ampere0.003 Ampere30s
- Q3Maximum number of sockets in ring main circuit is :12+2spare1+2spare10+2spare20+2spare30s
- Q4The figure shown is a :Socket outletPush buttonA.C switchW.H switch30s
- Q5The figure shown is a :Two core cableThree core cableSingle core cableMulti core cable30s
- Q6Which one of electrical protection used for cables?TrunkConduitArmoringCircuit breaker30s
- Q7Which one of mechanical protection used for cables?Circuit breakerArmingOver loadFuse30s
- Q8What is instrument used to carry out Earthing test ?AmmeterVolt meterMeggerOhmmeter30s
- Q9The device shown in the figure is :Smoke detectormuggerHeat detectorsounder30s
- Q10Which loads is connected to lighting circuit in the D.B. ?Air conditioner (A/c)Water heaterSocket outletscooker30s
