electrical engineering MCQs – Page 188

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 Review each marked answer and report any item that may be outdated or unclear.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 generation2. analog electronics3. solid state switching circuits4. parallel circuits5. switchgear and protection6. op amp circuits7. transistor audio power amplifiers8. electrostatics9. heating and welding10. multi stage transistor amplifiers11. passive filters12. network theorems13. regulated d c power supply14. a c fundamentals circuits and circuit theory15. electromagnetic induction16. power electronics17. magnetism and electromagnetism18. transformers19. modulation and demodulation20. d c generators21. semiconductor theory22. single phase induction motors23. semiconductor diode24. hybrid parameters25. digital electronics26. oscillators27. earthing or grounding28. single stage transistor amplifiers29. d c motors30. transistor biasing31. amplifiers with negative feedback32. basic electrical33. electronic instruments34. synchronous motors35. field effect transistors fet36. magnetic circuit37. control systems38. industrial drives39. power generation40. series parallel circuits41. transistor tuned amplifiers42. electrical engineering materials43. rectifiers and converters44. integrated circuits45. scr silicon controlled rectifiers46. cables47. polyphase induction motors48. measurement and instrumentation49. transistors50. electrical machine design51. electrolysis and storage of batteries52. electric traction53. transmission and distribution
3741. By the use of which of the following power factor can be improved?
comments icon0

A. Static capacitors

B. Phase advancers

C. Synchronous compensators

D. Any of the above
3742. Ships are generally powered by___________?
comments icon0
A. diesel engines

B. none of the above

C. hydraulic turbines

D. nuclear power plants

E. steam accumulators

3743. A synchronous condenser is virtually which of the following?
comments icon0
A. Over excited synchronous motor

B. Induction motor

C. Under excited synchronous motor

D. D.C. generator

3744. Depreciation charges are high in case of__________?
comments icon0
A. thermal plant

B. hydroelectric plant

C. diesel plant

D. none of these

3745. An over excited synchronous motor on no load is known as__________?
comments icon0

A. alternator

B. synchronous condenser

C. generator

D. induction motor

3746. In a power plant if the maximum demand on the plant is equal to the plant capacity, then
comments icon0

A. diversity factor will be unity

B. plant reserve capacity will be zero

C. load factor will be nearly 60%

D. load factor will be unity

3747. Which plant can never have 100 percent load factor?
comments icon0
A. Peak load plant

B. Nuclear power plant

C. Base load plant

D. Hydro electric plant

3748. In case of _________ fuel transportation is the major problem.
comments icon0
A. thermal power plants

B. diesel power plants

C. hydro-electric power plants

D. nuclear power plants

3749. __________ will be least affected due to charge in supply voltage frequency.
comments icon0

A. Mixer grinder

B. Room heater

C. Electric clock

D. Ceiling fan

3750. Which of the following is not an operating cost?
comments icon0

A. Fuel cost

B. Maintenance cost

C. Salaries of high officials

D. Salaries of operating staff

3751. A nuclear power plant is invariably used as a__________?
comments icon0

A. spinning reserve plant

B. peak load plant

C. stand-by plant

D. any of the above

E. base load plant
3752. Static capacitors are rated in terms of_____________?
comments icon0

A. kWh

B. none of the above

C. kW

D. kVAR
3753. The area under a load curve gives__________?
comments icon0

A. average demand

B. maximum demand

C. energy consumed

D. none of the above

3754. Which of the following power plants need the least period for installation ?
comments icon0
A. Diesel power plant

B. Hydro-electric power plant

C. Thermal power plant

D. Nuclear power plant

3755. Which of the following devices may be used to provide protection against lightening over voltages?
comments icon0

A. Horn gaps

B. Rod gaps

C. All of the above

D. Surge absorbers

3756. In _________ fuel transportation cost is least.
comments icon0
A. nuclear power plants

B. None

C. steam power stations

D. diesel generating plants

3757. Different generating stations use following prime movers?
comments icon0
A. any of the above

B. diesel engine

C. gas turbine

D. steam turbine

E. hydraulic turbine

3758. Direct conversion of heat into electric power is possible through__________?
comments icon0
A. thermionic converter

B. fuel cell

C. all of the above

D. batteries

3759. For which of the following power plants highly skilled engineers are required for running the plants?
comments icon0

A. Gas turbine power plants

B. Solar power plants

C. Nuclear power plants

D. Hydro-electric power plants

3760. Annual depreciation cost is calculated by___________?
comments icon0

A. sinking fund method

B. straight line method

C. both A. and B.

D. none of the above