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Intelligence Bureau (IB) 1.2.2015
36. What will be the sampling frequency that reveals the same sampled signal
37. Which transistors are used in TTL? Bipolar 38. Which system used dc to dc high voltage gain A. Solar system B. Battery backup 39. Which statement is false for switching regulators 40. To decrease the power in control system we use 41. Power plant the availability of power is least for A. Wind B. Solar C. Tidal D. Geothermal E. Bio gass 42. A diode that has a negative resistance characteristics is the A. Schottkey diode B. Tunnel diode C. Hot-carrier diode D. Laser diode E. Zener Diode Answer: B 43. Common mode rejection ratio is the ratio of Answer: Differential mode gain to Common Mode gain 44. Resolution of ADC is defined as the no of bits in Answer: Output 45. The control system is used for 46. Horizontal line in the s plane is for 47. Recharge able batteries are called? Secondary batteries 48. The batteries which are charged and discharged continuously 49. Which system needs more stability A. Automatic washing machine B. Traffic signal system C. Home heating system D. Motor with position control 50. Natural frequency in the control system represents 51. For measuring small resistance we use Answer: Kelvin bridge 52. Hay bridge is used for the measurement of Answer: Inductance 53. ____ bridge used for the measurement of resistance Answer: Wheatstone bridge 54. In three phase 4 wire system how many voltages are available Answer: Two 55. _____ acts as voltage controlled variable capacitor Answer: Varactor 56. By which a meter after checking with no current returns to its previous state Answer: Controlling Torque 57. By connecting a shunt of higher value in ammeter what will decrease Answer: Current sensitivity decreases 58. If z transform lies in ROC then A. System is stable B. Inverse of system is stable C. Both system and its inverse are unstable D. Both system and its inverse are stable 59. If R1 is the resistance of a coil of copper at t oC and RT is the resistance at T oC and also the resistance temperature coefficient of copper per degree centrigrade at 0oC is 1/234.45, then Rt/RT (A) (1+t) / (1+T) (B) (1+ 234.45t) / (1+234.45 T) (C) (234.45 + t) / (234.45 + T) (D) (234.45 + t2 ) / (234.45 + T 2). 60. The shunt winding of a motor has a resistance of 85 ohm at 22oC. When the motor runs at full load, its resistance increases to 100 ohms. The resistance temperature coefficient of winding per 0oC is 0.004. The rise in temperature of the winding will be nearly (A) 20oC (B) 50oC (C)70oC (D) 100oC. 61. Wimbledon Tournament is for? Lawn Tennis 62. All organizations share 63. For minimum input a person has got the output he has used the resources efficiently 64. Sharjah is in? UAE 65. Against Nehru’s Report Qaid-e-Azam proposed a solution of how many points? Answer: 14 points 66. the punishment for robbery in Islam 67. on simple series question (___, 15, 19, 24,) answer 12 68. Which of the following Rukn-e-Islam is called a shield? Answer: Fasting 69. What is the literal meaning of word Qiblah? Answer: In front of 70. Northern end of Pakistan is occupied by western range of which of following? Answer: Himalayan range 71. The ancient name of IRAN 72. TLRIA is to WOULD then YBVLKA is for? BEYOND 73. Which word will be in the middle select and tick that one A. Rigorous B. Retrospective C. Remove D. Revive E. rumor |
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sayyidah shah (Friday, May 29, 2015) |
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thnkx
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