
3T5_model5
Quiz by Ali alomran
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23 questions
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- Q1The numbered part of the figure shown is ?Smoke detectorFire alarm control panelHeat detectorCall point30s
- Q2In the circuit shown , if the resistor is 10 ohm and voltage is 240 v then the power consumed by the load R is :24000watts2400 watts24 watts240 watts30s
- Q3In the circuit shown the current is equal to :I=0.5AI = 10AI=3AI=2 A30s
- Q4What is the name of the intercom device shown?Door lockDoor StationTransformerRoom station30s
- Q5Identify the phase of shown in the given figure?Three phaseMulti-phaseSingle phaseTwo phase30s
- Q6What is the frequency used according to Bahrain regulation?50 Hz60 Hz40 Hz30 Hz30s
- Q7What is the trip current of ELCB for power circuit ?0.003 Ampere3.0 Ampere0.3 Ampere0.03 Ampere30s
- Q8Which part of transformer is connected to the power supply?Transformer frameIron coreSecondary coilPrimary coil30s
- Q9The test used to check that there is no break in the circuit connection is:Polarity testEarthing testContinuity testInsulation test30s
- Q10Intermediate switch used to control loads from :More than two locationNone of the aboveOnly one locationOnly two location30s
- Q11What is the minimum size of wire for Radial circuit according to Bahrain regulations?1.5 mm21.0 mm24.0 mm22.5 mm230s
- Q12In the fluorescent lamp circuit , the chock coil is connected in ?Series with the lineParallel with the tubeSeries with the starterParallel with the line and neutral30s
- Q13Convert 100 mA to amper?10 ampere0.01 ampere100000 ampere0.1 ampere30s
- Q14Calculate the total resistance, Given: R1=2 ohms , R2 =2 ohms connected in parallel?4 ohms2 ohms1 ohms3 ohms30s
- Q15What is the minimum mounting height above the floor level of socket outlets according to Bahrain regulation?30 cm1.73 cm1.37 cm2 m30s