PESCO NTS Test MCQs with Answer for Electrical/Electronic Job in Pakistan

 

Hey, Today in this article we are going to give you the Past 100 PESCO NTS MCQs for Electrical/Electronic Engineering jobs, These MCQs are taken from past tests of Peshawar Electric Supply Company (PESCO) test of National Testing Service.

These PESCO NTS Test Mcqs will help you for the Preparation of Job Test,  Interview, and competitive exams, etc. These Electrical/ Electronics NTS MCQs will help you to secure maximum marks in upcoming PESCO NTS  test and also you can get the idea of NTS tests for various electrical/electronic engineering related jobs.

PESCO NTS Test MCQs with Answer for Electrical/Electronic Engineering Job in Pakistan

1. The product of RMS current and RMS voltage is called? Apparent power
2. The power consumed in the resistance of a circuit is? Active/Actual/Real power
3. The power which flows in the coil of reactance is? Reactive power
4. The reciprocal of the power factor is? Q-factor
5. Optical power is the power received due to______? light
6. When the RLC circuit is at resonance then? Power dissipation is maximum
7. The diversity factor is always? more than 1
8. Load factor is equal to? Average load/peak demand
9. Which of the following is not the part of Aeroderivative turbine? Fans
10. The voltages 66KV and 33KV are generally representing which part of the power system? Subtransmission voltages
11. The voltages greater than 230KV are known as? Extra high voltage
12. Delta source is considered to be less expensive because? It does not utilize neutral wire to earth
13. When fault on the power system is detected then? Circuit breaker opens
14. The overload protection uses the? Current Transformer
15. The fault occurs due to lightning and storms on the transmission line is? A line to Ground fault
16. Fault in the transmission line are ______ symmetrical? 5%
17. DIAC is a two terminal ? 4 layer device
18. In commercial analog, to digital converter, the output data is in the range of 6 bit up to? 32 bit
19. The class-A amplifier is used to achieve? High Linearity
20. The ripple frequency of bridge rectifier is? Twice the natural frequency
21. The class-A amplifier conducts for? 360 degrees
22. For measuring small resistance we use? Kelvin bridge
23. If R1 is the resistance of a coil of copper at t 0C° and RT is the resistance at T 0C° and also the resistance temperature coefficient of copper per degree centigrade at 0C° is 1/234.45, then Rt/RT? (234.45 + t) / (234.45 + T)
24. cos pi/4, the period is equal to? 8
25. The shunt winding of a motor has a resistance of 85 ohms 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 near? 70oC
26. The one unit of energy will be charged if 20 watts bulb run for hours? 50
27. An alternator operating at unity power factor, the armature flux ___________ main flux? cross magnetizes
28. The LTI system is characterized by? Impulse input/response
29. Fourier series expansion has _____________ harmonically complex exponentials? Infinite
30. Main feature of crystal diode _________? stability
31. The ROC of Z- Transform lies? z=0
32. Which one is used to generate DSB in AM? balanced modulator
33. z transform is used when a signal is not? absolute summable, square summable, converges
34. If ROC does not include unit circle then? Z- transform converges
35. Any constant of t domain is an impulse in f domain with? infinite height, zero width, unit area
36. By which a meter after checking with no current returns to its previous state? Controlling Torque
37. The instrument used only for DC measurement? Induction type
38. A moving iron ammeter coil has few turns of thick wire in order to have: Low resistance
39. A permanent magnet coil meter has which features Low power consumption, no hysteresis loss, reduced eddy current, reduced damping
40. By connecting a shunt of higher value in galvanometer what will decrease? Current sensitivity decreases
41. The relay is used in Transformer Protection? Bucholz
42. ____ is defined as the measure of the instrument by which it is error free? Answer: Accuracy
43. A _____ meter is used a null detector in Wheatstone bridge? Answer: Galvanometer
44.  _________is used for the measurement of Inductance? Hay bridge
45. ____ bridge used for the measurement of resistance? Wheatstone bridge
46. The wavelength of an EM wave after reflection at an angle on a surface? Increases in the actual direction of propagation
47. When the electric field is parallel to the plane of incidence, the electromagnetic wave is said to be? hyperbolically polarized
48. The EM field and current are concentrated close to the surface of the conductor. The phenomenon is called? Skin Effect
49. XH = J + D is? Maxwell equation
50. The ideal voltage source is one which ? when connected in a circuit supplies constant voltage whether the current changes or remains constant
51. The passive components used in electronic circuits are resistance, inductance and? capacitance
52. In a loop, the sum of all potential differences is equal to? the sum of individual currents
53. Fundamental property used in 1-node pair circuit analyzer is? voltage
54. If the potential of point A & B is Va and Vb then to find V(ab), we take _____ as a reference node? Node-A
55. The current source in parallel with equivalent resistance represents? Norton’s Theorem
56.  The active device is one which? supplies energy as well as converts energy from one form to another
57. The potential difference between two points in an electric circuit is? electric pressure
58. Oscilloscope is a ___________ measuring device? Voltage
59. In superposition theorem, all v-sources are replaced by………? Short circuit
60. The transmission voltages are generally considered to be greater than? 110KV
61. Super position theorem relates to? Thevenin and Norton theorems
62. …….is like a 3 phase gives constant power? two-phase
63. Variable speed requirements can be met by using? Wound rotor
64. The circuit in which currently leads the voltage by 90 degrees or voltage lags the current by 90 degrees?  Capacitive circuit
65. Which of the following convert’s thermal energy to kinetic energy? Rocket
66. The Power plant for which the availability of power is least reliable is? Wind
67. Which type of engine uses maximum air fuel ratio? Gas turbine
68. Which of the following relay is used in Motor for protection? Thermal relay
69.  Solid grounding is used for voltages? below 660 V
70. RC snubber circuit is used to suppress? a rate of change of voltage
71. Which of the following is not the fundamental part of the transformer core, windings, insulation, mutual flux? Mutual flux
72. Ideal transformer is characterized by? winding resistance=0, core loss=0, core permeability=infinite
73. Natural uranium contains _________ of U-235? 0.7%
74. Transmission line voltage is generally high voltage ________ alternating current? 3-phase
75. Which thing happens in gas discharge lamps? Ionization in vapor or gas
76. The battery used for electric power storage is? Lead acid cells
77. In a submarine power system, the power is transmitted through_________ cable? HV DC
78. By connecting the conductive surfaces of all the equipment to the same ground wire, the risk of electric shock is? Minimized
79. A small voltage (less than 10V) is considered to be? Stray voltage
80. The component of switchgear which sense fault and initiate trip are? Protective Relay
81.  Two overload Protection relays used are Instantaneous over current and? Time Overcurrent
82. Which of the following is not a purpose of disturbances monitoring equipment? incorrect protection setting
83. The principle of ____ is used to analyze fault in the power system? Superposition Theorem
84. A team from the same department and functional area that involves efforts to improve work activities? Problem-solving team
85. Single is for double and one is for? Two
86. Which one is odd in the list…. mile, inch, foot, yard, acre? acre
87. Which one is odd in the list… Loin, leopard, cow, tiger? cow
88. 64 32 16 8 4 2 _____? 1
89. Pakistan largest province by area? Balochistan
90. Taxila was the capital of? Gandhara
91. In earlier hours, on September 6, India cross a border of Pakistan, city? Lahore
92. The northern end of Pakistan is occupied by a western range of which of following? Himalayan range
93. Which of the following Rukn-e-Islam is called a shield? Fasting
94. The literal meaning of word Qibla is? Anything in front
95. Youm-e-Arafat is known as? Hajj day
96. Largest, heaviest and longest mammal an animal is? Blue whale
97. Wimbledon tournament is of which game? Lawn tennis
98. The old name of Iran was? Persia
99. Who first brought Kashmir issue in the security council of UNO? India
100. The management organization in any industry acts upon? Principles of management

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