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ZINC PLANTDept: ELECTRICAL Date:01-06-13

Answer for the following questions:-

1. What is the Kw range of LT motors, used in zinc plant?

2. What are the voltages applied to HT Motors of Zinc plant?

3. Draw the Motor TB diagram for Delta Connection?

4. A healthy silica breather should be ____________ color.

5. Mentioned any four kinds of Starters, which are used in zinc plant?

6. How do we ensure that HGP/WGP purge air Heaters are healthy are not?

7. If isolator opened before disconnecting circuit breaker what will happen?

8. What are the voltages applied as Coil voltage in control circuit of zinc plant?

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9. Mentioned any two causes which create abnormal noises in motor while running condition?

10. Draw the motor TB diagram for Star Connection?

11. What will happen if a single phase is absent in a three phase motor?

12. Where we are using single phase motors in zinc plant and name the single phase motors?

13. How many wires available in proxy probe, mention its color?

14. What are the safety switches used in zinc plant for conveyors?

15. Name any two kinds of oils used in electrical dept. and where it has been used?

16. Mention the wattage ratings of lights used in our plant?

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17. Name any two timers and where it can be used in zinc plant?

18. What are devices used in a lighting circuit and what is its usage?

19. Earthing wire must be in ___________color

20. Where we are using compressed air in electrical dept. and what is its usage?

21. What is rated voltage of PVC Insulation tape?

22. How to reverse a motor rotation?

23. How many units we are having in zinc power plant and what is its MW rating?

24. Name any three motors that are used under water in zinc plant?

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25. Give ant two energy conservation activity that will save energy in day-to-day industrial life?