electrical engineering MCQs – Page 333

Practise multiple-choice questions from electrical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

electrical engineering Mcqs

1. economics of power generation 2. analog electronics 3. solid state switching circuits 4. parallel circuits 5. switchgear and protection 6. op amp circuits 7. transistor audio power amplifiers 8. electrostatics 9. heating and welding 10. multi stage transistor amplifiers 11. passive filters 12. network theorems 13. regulated d c power supply 14. a c fundamentals circuits and circuit theory 15. electromagnetic induction 16. power electronics 17. magnetism and electromagnetism 18. transformers 19. modulation and demodulation 20. d c generators 21. semiconductor theory 22. single phase induction motors 23. semiconductor diode 24. hybrid parameters 25. digital electronics 26. oscillators 27. earthing or grounding 28. single stage transistor amplifiers 29. d c motors 30. transistor biasing 31. amplifiers with negative feedback 32. basic electrical 33. electronic instruments 34. synchronous motors 35. field effect transistors fet 36. magnetic circuit 37. control systems 38. industrial drives 39. power generation 40. series parallel circuits 41. transistor tuned amplifiers 42. electrical engineering materials 43. rectifiers and converters 44. integrated circuits 45. scr silicon controlled rectifiers 46. cables 47. polyphase induction motors 48. measurement and instrumentation 49. transistors 50. electrical machine design 51. electrolysis and storage of batteries 52. electric traction 53. transmission and distribution

6641. Copper oxide rectifier is usually designed not to operate above___________?
0

A. 20C

B. 30C

C. 10C

D. 45C

6642. Which of the following metals is generally manufactured by electrolysis process ?
0

A. Copper

B. Zinc

C. Aluminium

D. None of the above

E. Load

6643. In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of______________?
0

A. synchronous generator

B. induction regulator

C. synchronous motor

D. shunt motor

6644. An audio amplifier is an example of _________________?
0

A. Digital IC

B. Linear IC

C. Both digital and linear IC

D. None of the above

6645. ICs are generally made of ________________?
0

A. Copper

B. None of the above

C. Silicon

D. Germanium

6646. We use _____________ ICs in computers?
0

A. Digital

B. Linear

C. Both digital and linear

D. None of the above

6647. Which of the following is most difficult to fabricate in an IC ?
0

A. Capacitor

B. Transistor

C. Diode

D. FET

6648. _________________cannot be fabricated on an IC?
0

A. Large inductors and transformers

B. Transistors

C. Resistors

D. Diodes

6649. The SiO2 layer in an IC acts as ________________?
0

A. Mechanical output

B. An insulating layer

C. None of the above

D. A resistor

6650. An IC has _______________size?
0

A. Very large

B. Extremely small

C. Large

D. None of the above

6651. ICs are used in ______________?
0

A. Linear devices only

B. Digital devices only

C. Both linear and digital devices

D. None of the above

6652. Digital ICs process______________?
0

A. Linear signals only

B. Digital signals only

C. Both digital and linear signals

D. None of the above

6653. The active components in an IC are _______________?
0

A. Capacitors

B. Transistors and diodes

C. Resistors

D. None of the above

6654. ___________ ICs are the most commonly used?
0

A. Monolithic

B. Hybrid

C. Thin films

D. None of the above

6655. The most popular types of ICs are _________________?
0

A. Thin-film

B. Thick-film

C. Hybrid

D. Monolithic

6656. The most popular form of IC package is _____________?
0

A. None of the above

B. Flatpack

C. DIL

D. TO-5

6657. Operational amplifiers use ________________?
0

A. Linear ICs

B. Digital ICs

C. Both linear and digital ICs

D. None of the above

6658. A transistor takes_____________ inductor on a silicon IC chip?
0

A. More space than

B. Less space than

C. None of the above

D. Same space as

6659. We can control a.c. power in a load by connecting ______________?
0

A. Two SCRs in parallel

B. None of the above

C. Two SCRs in parallel opposition

D. Two SCRs in series

6660. An SCR can exercise control over____________of a.c. supply?
0

A. Positive half-cycles only

B. Negative half-cycles only

C. Both positive and negative half-cycles

D. Positive or negative half-cycles

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