CENTRAL INSTITUTE OF PLASTICS ENGINEERING & TECHNOLOGY
Question Bank
3 MARK --- QUESTION
4/5 MARK ----QUESTION
Course: DPMT
Semester: I Sem
Subject: Electrical & Electronics Engineering
2 Marks – Questions
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1. Define Voltage?
2. Define Current?
3. State ohm’s law
4. Define Resistance?
5. State Kirchhoff’s Current Law (KCL)
6. Define Magnetic flux
7. Define MMF & Magnetic field intensity?
8. Define DC power?
9. Define Electromagnetism?
10. Define Time period & Power factor?
11. Explain the principle of DC generator?
12. What is back EMF in DC motor?
13. Why starter is for DC motors?
14. Give some applications of DC motors?
15. Mention the two types of winding used in the DC machines?
16. What do you mean by residual flux in DC generator?
17. What is the principle of operation of a DC Motor?
18. Define Torque?
19. Why starting current is high in a DC motor?
20. What is the role of a Commutator?
21. What is meant by a Transformer?
22. What are the losses in Transformers, Explain?
23. What is Auto-transformer?
24. What is Current transformer?
25. What is Buchholz relay?
26. What are the types of three phase induction motor?
27. What is the SLIP?
28. Describe the construction of a three phase motor?
29. What is a Stator?
30. Why an Induction motor sometimes called Rotating Transformer?
31. Define Electrical Earthing?
32. What is Fuse?
33. What is meant by Voltage Stabilization?
34. What is meant by Earthed supply?
35. What is Corona?
36. What is meant by Lightning arrestors?
37. What is Skin effect?
38. Why do we require protection against lightning?
39. What are advantages of leading power factor in distribution system?
40. What are the common methods of Earthing?
41. Define Semiconductor materials?
42. What is an ideal diode?
43. What are the types of Transistors?
44. Explain about P-type and N-type semiconductors?
45. What is meant by a Transistor?
46. Write the truth table for AND gate
47. Write the truth table for NOR gate
48. Write the truth table for EXNOR gate
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