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Quiz by Ramon Velasco
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28 questions
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- Q1The terminals (A1-A2) indicates which part of the magnetic contactor?Main terminalsCoil terminalsMain contactsAuxiliary contacts30s
- Q2Name the part number (2) in the shown circuitNormally open push button switchTwo way switchAuxiliary contact ( normally open )Coil30s
- Q3What is the main function of transformer in a door lock circuit shown?Step down the voltageConnecting the circuitMagnetize the push buttonConsuming the energy30s
- Q4What is the size of EARTH wire used in Ring main circuit according to Bahrain regulation?6 mm2 D4 mm21.5 mm22.5 mm230s
- Q5What is the main function of the device shown in the figure?Use to communicate with outdoor stationStep down the voltageLock and unlock the door locking deviceEnergize the circuit30s
- Q6Name the device shown in the pictureDoor lock unitTransformerRoom stationDoor Station30s
- Q7The ………………..is done to ensure that is no break in the circuit.Continuity testEarthing testInsulation testPolarity test30s
- Q8What type of switch is used in water heater circuit and Air condition circuit?Two gang switchDouble-pole switchThree way switchTwo way switch30s
- Q9Which method of cable installation is the figure shown ?Method 3 ( Cable in trunk )Method 2 ( on surface of the wall )Method 1 ( buried in concrete )Method 4 ( Conductor in cable tray )30s
- Q10Which method of cable installation is the figure shown ?Method 1 ( buried in concrete )Method 2 ( on surface of the wall )Method 4 ( Conductor in cable tray )Method 3 ( Cable in trunk )30s
- Q11What is the main function of the figure shown?Bend steel conduitsBend PVC conduitsMeasure dimensionsCut PVC conduits30s
- Q12What side of the transformer coil must be connected to the power supply?Primary coilTransformer frameSecondary coilIron core30s
- Q13One of the basic rules in workshop safety is:Wearing sport shoesUsing insulated toolsWorking on a Live circuitNever test the circuit30s
- Q14The total resistance for the circuit shown in figure is:RT = R1 + R2RT = (R1 x R2) / (R1+R2)RT = R1 × R2RT = R1 / R230s
- Q15The device shown in the picture will activate when it sense ……………LightMotionDarknessAir30s