UEE BITS
1. The motor having wider range of speed control is__________________
2. For quick reversal the motor preferred is_____________________
3. In sewing machine the motor is preferred is __________
4. Which motor is generally used in rolling mills, paper and cements industries___________
5. The drive motor for large rice mill would be__________
6. Which motor is most commonly used in refrigerator_____________
7. The driver motor for a locomotive would be__________
8. A pony motor is used for starting a_______________
9. The motor used in elevator is__________
10. Galvanizing is the process of applying a layer of__________
11. Current range for arc welding is usually__________
12. Electric welding produces temperature up to _____________
13. Electronic components are joined by___________
14. Because of high leakage reactance, the induction furnace works on__________
15. Coreless induction furnaces are operated at_________
16. For measuring temperature of electric finance the instrument used is____
17. In a core less furnace, low current density prevents effect in the molten material__________
18. Immersion water heater comes under?
19. Annealing of material is performed by?
20. If “f” is the supply frequency in high frequency induction type heating. The depeth of penetration of heat is proportion to_______
21. To produce a good weld the voltage across arc should be around_______
22. A condenser is provide in tube light to___________
23. The colour of light depend up on ___________
24. Units Luminous intensity?
25. Unit of luminous flux?
26. The colour of sodium oxide vapour lamp is____________
27. Mercury vapour at high pressure gives a colour of__
28. Mercury vapour at low pressure gives a colour of_______
29. In an incandescent lamp the filament material is made of______
30. The gas used in a high pressure mercury vapour lamp is______
31. The gas used in sodium vapor lamp is______
32. Some times the rotating devices, in a room having fluorescent lamps, appear to be stationery. This is due to
33. For regenerative braking, the regenerated power should have_________
34. Contact with wire is maintained by__
35. Quadrilateral speed time curves is used for_______
36. The dc motor speed control method which gives the speed above rated speed____
37. The dc motor speed control method which gives the speed below rated speed____
38. The drive used in textile mills__________
39. The drive used in cement mills____________
40. The drive used in coal mills__________
41. During regenerative braking energy is____
42. The voltage used for Ac traction in INDIA is_____
43. Which motor is a not self starting motor________
44. In Xerox machine, the motor used is________
45. The important application of scharge motor____
46. The over efficiency of steam loco motive is_____
47. The friction at the track is _____________
48. The adhesive weight is more for________
49. We can save energy during in which mode (braking)?
50. The area under the speed time curve is?
UEE BITS
1. Dc shunt motor
2. Dc motor
3. Universal motor
4. Three phase synchronous motor
5. Squirrel cage induction motor
6. Squirrel cage induction motor
7. Dc series motor
8. synchronous motor
9. 3-ph induction motor
10. Lead
11. 15 to 75 A
12. 3600o
13. Brazing
14. Lagging p.f
15. High frequency
16. Pyrometer
17. Pinching effect
18. Indirect resistance heating
19. Resistance heating
20. 1/f
21. 10 volts
22. To improve p.f
23. Wave length & frequency
24. Candela
25. Lumen
26. Yellow
27. Bluish white
28. Bluish green
29. Tungsten
30. Argon
31. Neon
32. Stroboscopic effect
33. The same frequency as that of the main supply
34. Pantograph collectors along with springs & bow
35. Urban services
36. Field resistance method
37. Armature resistance method
38. Squirrel cage
39. Slip ring IM
40. Dc motors
41. Returned to supply lines
42. 25 kv
43. Squirrel cage IM
44. Universal motor
45. Rolling mills
46. 15-35%
47. Inversely proportional to speed
48. Diesel traction
49. Regenerative braking
50. Schedule speed
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