| Post Name | Assistant Sub Inspector Trainee (Telecommunications) (SR for ST only)- Police |
|---|---|
| Question Paper Code | 048/2024/OL |
| Category Code | 268/2023 |
| Date of Test | 3 May 2024 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Which of the following statements are correct about "Synod of Diamper" (Udayamperoor Sunhados) ? i. Priests conference held at Udayamperoor to make the Christian church of Kerala closer to the pope of Rome. ii. Udayamperoor is a town situated in Ernakulam District. iii. The conference was presided over by Alexis de Menezes. iv. It was an event in the history of Kerala during the Portuguese rule.
Answer
D. All are correct
2
Who founded the "Vaala Samudaya Parishkarani Sabha" ?
Answer
A. Pandit K. P. Karuppan
3
Which of the following statements are correct about Vakkom Abdul Khader Moulavi ? i. Father of Muslim renaissance in Kerala. ii. Founder of Swadeshabhimani News paper. iii. Started Travancore Muslim Mahajana Sabha. iv. Author of the book "Delhi Durbar".
Answer
B. Only (i), (ii), (iii)
4
Which among the following is the ļ¬rst printing press in Kerala ?
Answer
A. C. M. S. Press
5
Who was the founder of Samatwa Samajam ?
Answer
C. Vaikunta Swamikal
6
Who is the father of the library movement in Kerala ?
Answer
B. P. N. Panicker
7
Which among the following is not written by Lalithambika Antharjanam ?
Answer
C. Thulavarshapacha
8
Who among the following is not associated with Vaikom Satyagraha ?
Answer
B. C. Kesavan
9
Who among the following made the famous Temple entry Proclamation ?
Answer
C. Sree Chithira Thirunnal
10
The Malayalam Daily Kerala Kaumudi was founded by
Answer
A. C. V. Kunjiraman
11
Who founded Sadhujana Paripalana Sangham ?
Answer
A. Ayyankali
12
Which of the following statements are correct about Mannathu Padmanabhan ? i. Ente Jeevitha Smaranakal is the auto biography of Mannathu Padmanabhan. ii. First general secretary of Nair Service Society. iii. Known as "Bharatha Kesari". iv. Wrote Pancha Kalyani Niroopanam.
Answer
D. All are correct
13
Who is the ļ¬rst editor of Bhashaposhini ?
Answer
A. Kandathil Varghese Mappila
14
Which among the following is not written by Vaikkom Muhammed Basheer ?
Answer
D. Mindapennu
15
How many times has the preamble of the Constitution of India been amended ?
Answer
A. 1
16
Which among the following articles of the Fundamental Rights in the Constitution of India cannot be suspended during National Emergency ?
Answer
B. 21
17
Which of the following statements are correct about "Chief Justice of the Supreme Court of India" ? i. Retirement age of the Chief Justice of the Supreme Court of India is 65 years. ii. Salary of the Chief Justice of the Supreme Court of India is given from the contingency fund of India. iii. The ļ¬rst Chief Justice of the Supreme Court of India is Harilal J. Kania. iv. Y. V. Chandrachood is the longest serving Chief Justice of the Supreme Court of India.
Answer
C. Only (i), (iii), (iv)
18
Who was the ļ¬rst general secretary of Sree Narayana Dharma Paripalana Yogam ?
Answer
A. Kumaran Asan
19
The President of India who declared National Emergency in India in 1975 ?
Answer
B. Fakrudeen Ali Ahammed
20
Who is known as the Jhansi Rani of Travancore ?
Answer
B. Akkamma Cherian
21
The carrier is transmitted as full power but only one of the side bands is transmitted. This system is
Answer
B. SSBFC
22
What is the eļ¬ect of increasing its modulation depth to 100% in amplitude modulation process ?
Answer
D. Over modulation
23
In FM, frequency deviation is doubled
Answer
A. Modulation is doubled
24
In super heterodyne receiver, the output of mixer stage is
Answer
C. IF
25
In FM system, the modulation index is equal to 1 (100%) for a frequency deviation of
Answer
B. 75 KHz
26
In FM radio receiver, the intermediate frequency is
Answer
C. 10.7 MHz
27
Which one is not a limitations of Amplitude modulation ?
Answer
B. Needs less audio power
28
88 MHz to 108 MHz frequency range is used in
Answer
A. FM band
29
Short wave radio transmission is done using
Answer
D. Sky wave propagation
30
____________ is used for selecting desired station in radio receiver.
Answer
B. Gang capacitor
31
In TV transmission
Answer
C. Picture signal is AM and sound signal is FM
32
In the 625 line system, 2.5 line period (2.5 Ć 64 = 160 Micro seconds) has been allotted for the
Answer
A. Vertical sync pulses
33
For TV reception, Yagi uda antenna consists of
Answer
D. Dipole, reļ¬ector and directors
34
The length of a transmitting antenna is kept proportional to the
Answer
C. Wavelength of the signal to be radiated
35
What is the characteristic impedance of RG 6U cable used for long line cable TV transmission ?
Answer
C. 75 Ohm
36
What is a co-axial cable ?
Answer
A. A center wire inside an insulating material which is covered by a metal sleeve or shield
37
In radio wave propagation, the Very High Frequency (VHF) range is
Answer
C. 30 MHz ā 300 MHz
38
In the PAL color TV system, the color subcarrier frequency is ___________ way from the picture carrier.
Answer
D. 4.433 MHz
39
Antennas that transmit and receive radio waves in all directions equally known as
Answer
B. Omnidirectional antenna
40
What are the primary and secondary colors of TV ?
Answer
A. Red, green, blue, cyan, yellow, magenta
41
In Radio frequency spectrum Very Low Frequency (VLF) band ranges from
Answer
B. 3 ā 30 kHz
42
Which of the following mode of propagation is known as ionospheric propagation ?
Answer
A. Sky wave propagation
43
Line of sight propagation is
Answer
C. Space wave propagation
44
Which characteristics changes in frequency modulation ?
Answer
A. Carrier wave frequency
45
What is the band width of AM if carrier frequency is 500 kHz and modulating frequency is 10 kHz ?
Answer
C. 20 kHz
46
For 100% AM modulation calculate the power transmitted by carrier signal if total power is 3000 W ?
Answer
B. 2000 W
47
Antenna gain is measured in
Answer
A. dB
48
An Omnidirectional antenna is designed to provide ___________ radiation pattern.
Answer
D. 360Ā°
49
Which of the following antenna is used for radar antenna ?
Answer
D. Parabolic antenna
50
According to Nyquist criteria of sampling theorem the sampling frequency is
Answer
B. Twice the signal frequency
51
Which of the following is not a digital modulation technique ?
Answer
D. FM
52
DC component is present in ___________ type of encoding.
Answer
B. Unipolar encoding
53
The geographical area under one base station with a single transmitter and a receiver is known as
Answer
A. Cell
54
Which wireless technology link is used for mobile phone data transfer ?
Answer
C. Bluetooth
55
The band width used for TV transmission in India is
Answer
C. 7 MHz
56
What are the 3 primary colours used in colour television system ?
Answer
A. Red, Blue, Green
57
Which of the following type of UPS is known as double conversion UPS ?
Answer
B. ON line UPS
58
Which circuit is used in control section of SMPS to drive the switching transistor ?
Answer
B. Pulse width modulator
59
Which of the following is an example of e-governance project ?
Answer
A. Online tax ļ¬ling and payment
60
According to which section, No person shall possess wireless telegraphy apparatus without license issued under Indian telegraph act ?
Answer
B. Section 4
61
What is the formula for dynamically induced emf ?
Answer
C. BLV sinĪø volts
62
What is the purpose of ELCB ?
Answer
B. Monitors the residual current
63
What is the power factor in a 3 phase power measurement of two wattmeters showing equal reading ?
Answer
B. 1
64
Calculate the percentage slip in a 3 phase induction motor having 6 poles with a frequency of 50 Hertz rotating with actual speed of 960 rpm.
Answer
C. 4%
65
In a 3 phase system, if the active power is 4 kW and the apparent power is 5 KVA, calculate the reactive power.
Answer
C. 3 KVAR
66
Which type of DC Generator works in absence of residual magnetism ?
Answer
D. Separately excited generator
67
Calculate the line current of the 3 phase 415 V 50 Hz supply for the balanced load of 3000 Watt at 0.8 power factor is connected in star.
Answer
B. 5.2 A
68
What is the rotor frequency of a 3 phase squirrel cage induction motor at the time of starting ?
Answer
A. Equal to supply frequency
69
Which electrical quantity aļ¬ects the heat generated in a conductor ?
Answer
B. Square of the current
70
Calculate the voltage regulation in percentage of the transformer if the no load voltage is 240 volt and full load voltage is 220 volt.
Answer
D. 9.09%
71
What is the maximum value of voltage for 240 volt RMS ?
Answer
C. 339.5 V
72
Which is the application of DC series MCB ?
Answer
C. Locomotives
73
What is the eļ¬ect on surrounding metal placed in a magnetic ļ¬eld ?
Answer
C. Eddy current
74
What is the unit of luminous eļ¬ciency ?
Answer
D. Lumen/watt
75
What is the eļ¬ect of the parallel circuit with one branch opened ?
Answer
C. No current will ļ¬ow in that branch
76
Which resistor the lowest current ļ¬ows in a parallel circuit having the values of 50 Ī©, 220 Ī©, 450 Ī© and 560 Ī© connected with supply ?
Answer
D. 560 Ī©
77
Which position MB type high pressure mercury vapour lamps are operated ?
Answer
D. Any position
78
Which factor aļ¬ects the polarity of the electromagnet ?
Answer
B. Direction of current
79
Which power loss is assessed by open-circuit test on transformer ?
Answer
D. Core loss
80
Which type of resistor is used for Arc quenching protection in circuit breakers ?
Answer
A. Varistors
81
Which of the following statements are true ? i. First Generation computers used Valves. ii. Second Generation computers used vacuum tubes. iii. Third Generation computers used ICs. iv. Fourth generation computers use microprocessors.
Answer
D. i, iii and iv only
82
An Operating System do i. Process Management ii. Process Synchronization iii. Memory Management iv. CPU Scheduling
Answer
A. i, ii, iii and iv
83
Which is the technology of electronically extracting data from marked ļ¬elds such as checkboxes or bubbles from pre-printed forms ?
Answer
C. OMR
84
Linux was ļ¬rst released in
Answer
D. 1991
85
In the following VDUs, which are considered as emissive display ? i. LED ii. LCD iii. Flat CRT iv. Plasma panel
Answer
D. i, iii and iv only
86
With the number of cores increased, then i. Price increases ii. The multitasking capability of the CPU increases iii. The speed increases iv. Processing time increases
Answer
B. i, ii and iii only
87
DHCP stands for
Answer
C. Dynamic Host Conļ¬guration Protocol
88
In MS Word which of the following are types of SmartArt graphic ? i. Cycle ii. Hierarchy iii. Process iv. Stock
Answer
B. Except iv
89
Which twisted pair cable contains only two pairs (4 wires) ?
Answer
A. Cat 1
90
Which protocol speciļ¬es the way the web browser and the web server communicates ?
Answer
B. HTTP
91
According to ROM, which of the following statements are true ? i. ROM is a Programmable Logic Device ii. ROM stands for Read Only Memory iii. ROM is the primary memory unit of a computer iv. We can only read the programs and data stored on it
Answer
D. i, ii, iii and iv
92
In MS Word, under Auto ļ¬t behaviour you can't choose
Answer
A. AutoFit Rows
93
Bluetooth follows the principle of transmitting and receiving data using
Answer
A. Radio Waves
94
Which of the following are intermediary devices ? i. Wireless Access Points ii. Web Servers iii. Workstations iv. Security Firewalls
Answer
C. i, ii and iv only
95
According to a DVD, which of the following are true ? i. The recording or metal layer is situated on the top of the disk. ii. There are double layers of pits in DVD. iii. The data transfer rate is 11 MB/sec. iv. The thickness of DVD is 0.6 mm.
Answer
D. ii, iii and iv only
96
Windows 10 introduced a feature, which is able to accept voice commands
Answer
B. Cortana
97
Who created World Wide Web ?
Answer
B. Timothy John Berners Lee
98
Which of the motherboard component controls the data connection to the BIOS ?
Answer
D. Southbridge
99
In the following input devices, which are considered as pointing devices ? i. Scanner ii. Mouse iii. Joystick iv. Keyboard
Answer
B. ii and iii only
100
On the basis of principle of operation computers are classiļ¬ed as i. Micro Computers ii. Analog Computers iii. Digital Computers iv. Hybrid Computers
Answer
C. ii, iii and iv only
Discussion
Ask a doubt or share a tip.
No comments yet ā start the discussion.