GENERAL KNOWLEDGE (20 Marks)1. United Nation came into existence on _______ (24 Oct 1995)

2. Pakistan is located in which region of the world?

a) South Asia

b) South west Asia

c) Eastern Asia

d) West Asia

3. First world war was started in ______ (1914)

4. Sun shines vertically on the equator ______

a) Twice a year

b) Once a year

c) 6 months

d) Throughout the year

5. What is Hammas?

a) A town of Jordan

b) A radical Palestine Group

c) President of Lebanon

d) None of the above

6. The term third world refer to ________ (under developed countries)

7. When the cease fire line was drawn in Kashmir?(1949)

8. Buffer state of Asia is geographical surname of ________ (Afghanistan)

9. What is the location of Canada? (North America)

10. Atmospheric pressure is measured by ________ (barometer)

11. Largest Railway Station in the world _________ (Grand Central Terminal)

12. In rainbow, which color comes between orange and green? (Yellow)

13. Which continent has no desert? (Europe)

14. Wheel is symbol of __________ (progress)

15. PH value blood is _________ (7.3 to 7.8)

16. Areas having rainfall between 102 204 cm is dominated by ________ forest.

17. Pakistan shares shortest boundary with ______ (China)

18. Which of the following converts thermal energy to kinetic energy?

a. Thermo couple

b. Storage Battery

c. Fuel Cell

d. Rocket

19. In which power plant availability of power is least reliable?

a. Wind Power Plant

b. Solar Power Plant

20. Which engine has highest air fuel ratio?Diesel

21. A relay used for protection of motors against overload is _________thermal

22. Solid grounding is useful for ____ voltages.

23. Light is produced in electric discharge lamp by _____

24. State space equations used for

a. linear b.non linearc. time variant

d. time invariant

e. all of above

25. UJT having almost same characteristics as

a. CE

b.bjtc.fet26. DC toDC with high voltage gain ______

27. Main feature of crystal diode _________

a. Stability

b. Reliability

c. High frequency

28. CMRR is defined as

29. CE amplifier amplify..voltage, current, power

30. Graph showing VI characteristics of transistor known as (Q.Point)

31. effect of increasing height of the tower on inductor and capacitor... a) both increase b) both decrease c)capacitor increase while inductor remain unchange d) capacitor decrease while inductor unchange

32. Primary is stationary while srcondary rotating this rotating transformer is known as..........

33. For rectification we use......

34. Current leads in whch ckt....

35. Shunt dc motor, temperation of winding 22C at resistance 85 ohm, what will be temperature at 100 ohm, alpha is 0.004

36. Inverse of p.f......

37. What is zero inresonance ckt......

38. What is max in resonance ckt......

39. Power in inductive ckt......

40. If pole is in left half of s plane system is.........

41. Negative resistance of which diode

42. 20:1 in transformer mean....

43. Why Rating of transformer in VA

44. To measure small resistance we use which bridge.......

45. Sensing elements to initiate trip........

46. Electrical storage in which batteries........

47. Fault analysis done by which theorem........

48. Thick wirewith small sizeused inmoving coil instument......

49. 3 phase four wire sys givesus how many voltages......

50. Conduction angle in class a amplifier.....

51. Which class of amplifier is used in pre-amplifier stage.

52. InOp amp maxdc voltagecan applied is......

53. In jfet channel is between......

54. Current amplification in common base or common emmitter.......

55. property of material in superconducting state

56. control system is basically used for

57. triocis bi or tri directional.....

58. what will happen if every circuit has commongrounding

59. ripple frequencycompareto source frequency

60. source and load current and voltage variables dependencies

61. stable system can be

62. stepper motor speed can becontrolledby..

63. motion of electrons in conductor.sinusoidal, triangular, square..

64. frequencyper octave.(3db, 6db etc)

65. at saturation..signal cut off by.

66. reverseleakage current is due to

67. barrier potential for silicon diode.

68. Output of whichoscillatoris controlled by frequency

69. In submarine we use (lvdc,hvdc, etc)

70. Votage less than 10v are called ( dim,stray, ground)

71. Crystall oscillator

72. Length of transmiosns lines will be less ( 2 wire dc)

73. 4 wires are used in which system (star)

74. In High transmission lines (3 phase current)

75. In commulative motor fields add up

76. Over current protection in motor are Instaneous and protection

77. Super conductor

78. Cmrr should ?

79. Cross magnetizing

80. Hay bridge

81. Diversity factor high load factor low

82. Bulb numerical

83. 9. A permanent magnet coil meter has which featuresA. Low power consumptionB. no hysteresis lossC. reduced eddy currentD. reduced dampingE. all84. A diode that has a negative resistance characteristics is theA. Schottkey diodeB. Tunnel diodeC. Hot-carrier diodeD. Laser diodeE. Zener Diode85. Voltage follower

86. Power desipation is max at resonannce

87. Appearent power

88. Transformers have wat in common ( magnetic circuit)

89. Depletion region

90. Model validation

91. Volatge limiters

92. Uranium contains .. 0.7 of natural uranium

93. Moderator in the nuclear power plant

94. Dc series motor has highest torque

95. Which cant be used for the dc instruments ( induction type)