Kerala PSC - Solved Paper - Police Constable (Telecommunications) held on 14 Feb 18

1. The Journal 'Sivayogavilasom' was published by: Vagabhadananda
2. The Birth place of C Kesavan : Mayyanad
3. The FIFA World Cup 2022 will be held in : Qatar
4. United States President, Donald Trump, made his first foreign trip to: Saudi Arabia
5. The Pass located at the Southern end of the Nilgiri Hills in South India is called : The Palghat pass
6. Which Union Territory has the least population as per the 2011 census? - Lakshadweep
7. Which was the first state to recognize tourism as an Industry ? - Kerala
8. Which Indian state has the longest Coast line ? - Gujarat
9. Who led 'Ooruttambalam Agitation'? - Ayyankali
10. Which state has been declared the first smoke free sate in the country ? - Himachal pradesh
11. Goa was liberated in the year - 1961
12. Who is known as the lion of Punjab? - Lala Lajpat Rai
13. Which revolutionist of freedom struggle was hanged till death at the age of 14 ? - Khudiram Bose
14. The World Humanitarian Day (WHD) is Observed every year in which date? - August 19
15. In which city have digitised schools been started? - Mumbai
16. Who has been named skipper of ICC Women's cricket world cup XI? - Mithali Raj
17. Vayalvaram Veedu is related to : - Sree Narayana Guru
18. In which year Gandhiji made a visit to Kerala, That was described by him 'piligrimage' - 1937
19. Who was the first Vice President of SNDP Yogam ? - Dr. Palpu
20. The effective border between India and the People's Republic of China : LAC
21. Inverter coverts : DC to AC
22. PIV in diode stands for : Peak Inverse Voltage
23. Barrier Potential of Germanium diode is : 0.3 V
24. The resonance frequency occurs when : XL=XC
25. The common collector configuration is also known as : Emitter follower
26. The terminals of a FET are : Drain, Source, Gate
27. The package of digital IC 7400 series is : TTL
28. The Aspect ratio of Indian TV system is : 4:3
29. One nibble contain : Four bits
30. Capacity of DVD : 4.7 GB
31. The feedback used in amplifier is : Negative
32. The value of capacitor 103 is : 0.01 mF
33. In the following 3-pin IC, which gives negative regulated voltage 15V? 7915
34. Which speaker is used for Midrange frequency response ? Squawker
35. The Oscillator generating high frequency oscillation in the range of 1MHz to 500MHz - Hartley
36. Velocity of Electromagnetic wave was : 3 x 10^8 m/s
37. The primary colors in CTV system is : RGB
38. In an Oscillator circuit is very important : Tank Circuit, Feedback, Amplifier
39. The system used in India for color TV Transmission is : PAL
40. The separation of sound and picture carrier in Indian TV system : 5.5 MHz
41. Length of dipole in yagi antenna is : 143/f
42. The purpose of saw filters in TV receivers is : To replace wave trap circuit
43. Ripple factor of half wave rectifier is : 1.21
44. Input Impedance of emitter follower is : High
45. ____ shows negative resistance characteristics : Tunnel Diode
46. Unit of magneto motive force is : Ampere Turns
47. RMS value of AC is ____ : 0.707 Vm
48. The inductive reactance value ___ with the increase in frequency of applied voltage : Increase
49. IC _____ is a 8 line multiplexer : 74151
50. The peak inverse voltage for bridge rectifier is ___ : Vm
51. Etching solution of PCB is made by ___ Ferric Chloride
52. ___ feedback is used in amplifiers : Negative
53. I.M 317 is ___ a regulator IC
54. The current rating of lead acid battery is expressed in ___ Ampere hour
55. Bandwidth of an ideal OP Amps is ___ Infinity
56. ___ microphones requires a DC voltage for its operation Carbon
57. The cut off frequency of RC lowpass filter is ___ ½πRC
58. In 8085 microprocessor stack pointer is a ___ bit register - 16
59. The thickness of LC layer in LCD is expressed in ____ - Micronese
60. Convert (5A)16 into octal number : (132)8
61. Three resistance of 40, 30, 10 Ohms are connected in parallel, their combined resistance will be ____ - less than 10 Ohms
62. In electrical writing, the light point allowed in one sub circuit is ___ - 10
63. Temperature limit for class 'E' insulation is ___ - 120°C
64. Wheatstone bridge is used to measure ____ - Resistance
65. An electric lamp is marked 100 Watt, 240 Volt, the resistance of filament will be ___ 576Ω
66. A network which contains no source of EMF in it, is called ____ - Passive network
67. In B-H curve, 'B' represents ____ - Magnetic flux density
68. Power factor of a pure resistive load is ___ - Unity
69. In an AC circuit, an ammeter measures ___ value of current. RMS value
70. To convert a moving coil galvanometer in to an ammeter, it must connect ___ - Low resistance in parallel
71. The speed of a shunt motor has to be controlled through the flux control method, the suitable starter will be ___ - 4-point starter
72. The wattmeter reading of a transformer on open circuit test is 600 watt and on short circuit test at full load current in 1200 watt. What will be the copper loss at half load ? 300 watt
73. The eddy current loss in the transformer occur in ___ - core
74. The fixed coil in dynamometer type wattmeter is the ____ - Current coil
75. A wave winding is made in a machine for ____ - more voltage, less current
76. The direction of induced EMF in a coil is found by ___ - Lenz's Law
77. The shunt type ohmmeter will have zero reading at the ___ - left hand end of the scale
78. The unit of luminous flux is ___ - Lumen
79. Load factor is defined as the ratio of ___ - Average load to Maximum Demand
80. The rotating magnetic field in a three phase, 6 pole, 50 Hz slip ring induction motor will rotate at ___ speed. 1000 RPM
81. Which of the following devices can be used to directly image printed text ? OCR
82. Who designed the first electronics computer ENIAC? - J Presper Eckert and John W Mauchly
83. BCC stands for ___ - Blind carbon copy
84. CPU retrieves its data and instructions from ____ - Main Memory
85. A web page can contain - Text, Image and Video
86. The default alignment option of text in MS Word is - left
87. Background color or effects applied on a document is not visible in : Print Preview
88. In a database table, the category of information is called ___ - Field
89. Protocol used in e-mail is ___ - SMTP
90. In Linux everything stored as a : File
91. ___ can be used as communication medium in a LAN. - Coaxial cable, Twisted Cable, Fiber-optic cable
92. ___ function translates a numeric value to a variable. - Val
93. A ____ is a device that forwards packets between network by processing the routing information included in the packet. Router
94. Communication between a computer and a keyboard involves ___ transmission. Simplex
95. Memory size of Boolean : - 2 byte
96. Which is an example of Visual Basic objects ? - Control objects, ASP.Net, 3 ADO.Net
97. Which of the following dialogue boxes is used to give a warning message? Alert box
98. A sequence of activities being carried out to solve a program is known as : Process
99. Execution of two or more programs by a single CPU is known as : Multiprogramming
100. Which of the following are the concepts of Information security? Access control, Integrity, Confidentiality

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