| 1. | ACSR conductor means ? | |
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All conductor Steel Reinforced
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Aluminium conductor steel reinforced
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Aluminium conduit steel reinforced
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All conduit steel reinforced
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Report Question| 2. | The value of supply voltage for 500 W, 5 ohm load is ? | |
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100 V
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500 V
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50 V
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10 V
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| 3. | In ACSR conductors, the insulation between aluminium and steel conductors is ? | |
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varnish
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bitumen
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ceramic
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No insulation is required
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| 4. | Which one of the given fuse is bigger ? | |
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DC
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AC
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DC or AC
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AC and DC are same
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| 5. | What is the function of choke in a fluorescent lamp ? | |
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starting purpose
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produce high voltage at starting
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improve power factor
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minimize the power consumption
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| 6. | In an electric heater, the metal case is connected to ? | |
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Phase wire
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earth wire
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neutral wire
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none of these
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| 7. | Which of the following is not an indoor lighting ? | |
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Residence light
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Office light
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Industry light
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flood light
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| 8. | Carbon arc lamps are commonly used in ? | |
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Domestic lighting
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Street lighting
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Cinema projectors
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Photography
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| 9. | Lumen/watt is the unit of ... ? | |
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Light flux
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Luminous intensity
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Brightness
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Luminous efficiency
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| 10. | Arc can be produced by ? | |
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AC current only
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DC current only
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Either AC or DC current
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all options are correct
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