Previous Exams

Telephone Operator ,DCB - 2015

 

Time Remaining :
1. In an exchange, the number of call attempts in a busy hour is called:
Call completion rate
Busy hour call attempt
Centum call second
Grade of service
2. CATV means :
Community Antennae Television
Cable Telivision
Cable Antennae Television
Central Antennae Television
3. Usually the links that run between the exchanges are called :
Sub Links
Trunks
Signal links
None of the above
4. Internationally accepted unit of telephone Traffic intensity is :
Decibel
Erlang
Call rate
BHCA
5. The media which is best suited for very high data rate transmission is :
Micro wave
Copper cable
Coaxial cable
Optical fiber cable
6. ISDN is an acronym for :
Informatin Services Digital Network
Internet System for Data Network
Integrated Services Digital Network
Inter Services Data Network
7. Electrical Telegraph was invented by :
Graham Bel
Samuel More
Edison
Marcony
8. Telivision broadcast is an example of :
Halfduplex Transmission
Simplex Transmission
Duplex Transmission
Full Duplex Transmission
9. The public telephone booth are usually called as :
RAX
CTO
CENTREX
PCO
10. How many geostationary satelites are required to completly cover the entire earth?
5
6
3
7
11. One of the following is not an organisation working for the protection of human rights?
PUCL
Asia Watch
UNEP
Amnesty International
12. Who was known as The Socrates of Maharashtra?
Gopala Krishna Gokhale
CR. Das
Subhash Chandra Bose
Bal Gangadhar Tilak
13. What will be the time in India when it is 9 am at the place situated at 30 degree E?
12 noon
12.30 pm
11 am
11.30 am
14. Telagana, 29th state of India was formed on :
4 June 2014
2 June 2014
5 July 2014
6 July 2014
15. Which of the following country hosted the BRICS summit held in 2014?
India
South Africa
China
Brazil
16. The Symbol of ' Tungsten ' is :
W
T
Au
Ag
17. In Indian Economy mining and quarrying include in which sector?
Primary sector
Secondary sector
Tertiary sector
Primary and secondary sectors
18. Who was considered as ' Father of Kerala Renaissance '?
Chattampi Swamikal
Vaikunda Swami
Ayyankali
Sree Narayana Guru
19. A treeless area between the ice cap and tree line of Arctic , having permanently frozen subsoil is known as?
Igloo
Ice berg
Tundra
Glacier
20. Suraj Venjaramoodu won the national Film Award for best actor for his performance in ?
Thaskara Lahala
Perariyathavar
Duplicate
Sakudumbam Syamala
21. Which company decided to buy Nokia mobile?
Microsoft
IBM
Fox conn
HP
22. B.K.S. Iyenkar who passed away in August 2014 was popular in?
Tabala
Yoga
Literature
Science
23. The dynasty that succeeded the Khilji dynasty :
Thughlaq dynasty
Slave dynasty
Sayyad dynasty
Lodhi dynasty
24. Where was the ' Ebola Virus discovered at first?
Nigeria
Algeria
Democratic Republic of Congo
Zambia
25. The immediate cause of the first world war was the assassination of :
Francis Ferdiant
Frederic William
Kaiser William II
Jan smuts
26. According to the 2011 senses of India ,the sex ratio of Kerala is :
1064 females per 1000 males
1068 females per 1000 males
1058 females per 1000 males
1084 females per 1000 males
27. The process of oxygen transportation in human body is given below : choose the correct order :(a) Blood (b)Lungs (c)Tissue
(b),(a),(c)
(c),(b),(a)
(a),(b),(c)
(b),(c),(a)
28. Who made primary education compulsary in Travankore?
Rani Lakshmi Bai
Rani Gauri Parvathi Bai
Swathi Thirunal
Chithira Thirunal Balarama Varma
29. Which of the following is wrongly matched?
Max Plank - Quantum theory
E. Torricelli - Barometer
Edward Teller - Nuclear fission
James Harrison - Refrigerator
30. The next commonwealth games(2018) will be held at :
Canada
England
Australia
Newzealand
31. Which one of the following rulers does not go along with other three?
Bimbisara
Bindusara
Chandra Gupta Mayurya
Asoka
32. Who was founded ' Sahodara samajam '?
Sree Narayana Guru
Ayyankali
Chattambi Swamikal
K. Ayyappan
33. Kolleru lake situated in which state :
Telungana
Odisha
Assam
Seemandra
34. What is the correct sequence of the following events ? (a)Ezhava memorial (b)Temple Entry Proclamation (c)Vaikom Satyagraha (d)Nivarthana Movement
(a),(d),(c),(b)
(a),(b),(c),(d)
(a),(c),(d),(b)
(c),(b),(a),(d)
35. Hunger strike of civil rights activist Irom Sharmila Chanu against ?
MCOCA
AFSPA
UAPA
ATS
36. Which of the following are causes of changes in seasons?
Rotation of earth
Revolution of earth
Rotation of earth and inclination of earth's axis
Revolution of earth and inclination of earth's axis
37. Swadesi movement was started in the year ?
1903
1904
1905
1907
38. The judge of the Supreme Court can serve till they attain the age of :
65
64
63
62
39. Quit India Movement was adopted by the INC :
Ahmedabad
Allahabad
Bombay
Madras
40. What is known the name of bloody military operations of Israel in Gasa in July 2014?
Operation Falcon Freedom
Operation Protective Edge
Operation Enduring Freedom
Operation Harmattom
41. Who is the Author of autobiography ' One life is not enough '?
Vinod Rai
Natwar Singh
Sanjay Baru
P.C. Parekh
42. A natural element is :
Neptunium
Plutonium
Fermium
Uranium
43. Which one is not a conventional energy source ?
Nuclear Energy
Wind Energy
Solar Energy
Tidal Energy
44. Information Technology act was enacted in :
1999
2000
2001
2002
45. How many oxygen attom are there in an ozone molecule ?
One
Two
Three
Four
46. The power to amend the Indian Constitution vests in the :
President
Supreme Court
Central Ministry
Parliament
47. ' Phobas ' the'salelite of Mars is known as :
New moon
Blue moon
Red moon
Black moon
48. ' Welfare state ' includes in the :
Fundamaental Rights
Fundamental Duties
Directive Principles
Preamble
49. Which of the following names are associated with ' Pattini Jatha '?
A.K Gopalan
K. Kelappan
Mannathu Padmanabhan
Ayyankali
50. Which of the following is kharif crop ?
Oats
Barley
Wheat
Rice
51. In which state Plastic Photo Identity Card was introduced at first?
Maharashtra and Goa
UP and MP
Nagaland and Assam
Bihar and Haryana
52. Level of Calcium in blood is controlled by : (a)Thyroid (b)Parathyroid (c)Adrenal (d)Pancreas
(a) only
(b) only
(c) and (d)
(a) and (b)
53. What is the chemical name of Baking Soda?
Sodium Chloride
Sodium Bicarbonate
Sodium Nitrate
Sodium Carbonate
54. Who won the Golden Boot in the FIFA World CUP 2014?
Manuel Neuer
James Rodriguez
Lionel Messi
Poul Pogba
55. Who is the Cheif of Army Staff?
Dalbir Sing Suhag
Bikram Singh
Arup Raha
Robin K. Dhowan
56. pH value of pure water is :
6
6.5
7.5
7
57. The hormone responsible for fruit ripening is called :
Abscisic acid
Ethylene
Gibberellin
Cytokinin
58. Ken - Betwa river project will help the state of :
Gujarath and Maharashtra
Bihar and West Bengal
Madhya Pradesh and Uttar Pradesh
West Bengal and Odisha
59. Nodal Agency for Global Ayurveda Village Project by Kerala government is :
KTDC
KITTS
KSIDC
KINFRA
60. Who was called the Lincoln of Kerala ?
Pandit Karuppan
K. Madhavan
K. Kelappan
Dr. Palpu
61. The fictional place in R.K. Narayanan's stories :
Hiragudi
Krishnagudi
Malgudi
Neelgudi
62. The Girl's Father is dead / but her mother is -------
born
alive
lived
life
63. ' Daffodils' -a poem is written by :
Geoffrey Chaucer
Dan Micheal
John Wycliff
William Wordsworth
64. I am little late , ___________?
Aren't I
Im I
Amn't I
Are I
65. In which of the following forms of classical literature, the birds and beasts are made to think ,and act like men?all teach some moral?
Epic
Ode
Satire
Fable
66. I enjoy _______ novel?
to read
to reading
reading
read
67. When the poet say 'A' is 'b' he employs _____________
Monotomy
Metaphor
Irony
Simile
68. If he asked me, I ___________ it to him .
would have given
will give
will have given
would give
69. I prefer juice , _____________ tea.
Than
to
from
on
70. Pickout the correct one :
Pronounciation
Prenunciation
Pronunciation
Pronounsiation
71. Everybody _______________ David a fool.
calls
call
calling
None of these
72. The lifespan of these species ______ very short.
are
were
is
have
73. The Shakespeare wrote _____ sonnets.
116
148
16
154
74. Saki is the pen name of ________________
John Dryden
Coleridge
H.H. Munro
P.B. Shelley
75. Where does the action in ' Paradise Lost ' take place?
In the garden of Eden
In the Hell
In the Earth
In the Moon
76. Which prize did Arundati Roy receive for her novel ' The God of Small Thing' ?
Commonwealth Prize
Nobel Prize
Pulitzer Price
Booker Price
77. Who is the creator of Sherlock Holmes?
Sherlock Holmes
Conas Doyle
Mathew Arnold
H.G. Wells
78. Which of the following words does not end in 'z' sound ?
Blogs
Girls
Blanks
Bells
79. Choose the odd one out :
Goal
Aim
Objective
Victory
80. The teacher who made a dramatic change in Helen Keller's life :
Anne Sullivan
Mary Stevenson
Kamal Das
Tennesse Williams
82. STD is an acronym for :
Simplex Transmission Distance
Simple Trunk Dialing
Subscriber Trunk Dialing
Subscriber Trunk Distance
83. Usually Tlevision transmission is :
Unicast
Broadcast
Multicast
Areacast
84. In a TELEX system,at the beginning of a message ,the sender sends a message "who are you " for :
Confirmation
Release
Monitoring
All of the above
85. In telephone conversation, the person who initiate the call is reffered to as:
Calling party
Calling initiator
called party
Call Mediator
86. Electronic type of branch exchangesare reffered to as :
PABX
PAX
EPABX
None of the above
87. The first automatic switching system(Exchange) was:
CDOT
Magneto
Cross Bar
Stowger
88. Which out of the following is a widely used pulse modulation technique?
PWM
PPM
PCM
PAM
89. The signal quality of Digital Communication systems are usually measured in:
Erlang
BER
DB gain
CCR
90. In ordinary telephony, at on hook condition,the impedance of telephone line is :
Zero
Low
High
Infinity
91. Telegraph circuit are used for :
Data communication
Voice communication
Video communication
All the above
92. A highly secured Mini internet within an organization is :
Extranet
Intranet
Internet
Wi-Fi Net
93. A common media which is used for inter connecting computers of a Local Area Network (LAN) is:
Microwave
Waveguide
UTP
None of the above
94. Analog signals are chaacterized by:
Frequency
Phase
Amplitude
All the above
95. ITU is an acronym for :
Indian Telecom Union
International Telecom Union
Industrial Telecom Union
None of the above
96. Modem is mainly used for :
Packet switching and routing
Modulation and Demodulation
Analog to digital conversion
Digital to analog conversion
97. Communication between a keyboard and CPU of a computer involves :
Duplex Transmission
Simplex Transmission
Half-Duplex Transmission
Half-Simplex Transmission
98. Number of transitions per second in a telecommunication link is called :
Bit-rate
Burst-rate
Word rate
Baud rate
99. AM and FM are examples of ___________ modulation
Digital to Digital
Digital to Analog
Analog to Analog
Analog to Digital
100. The facility which enable a customer for barring certain calls like STD or ISD:
Call deny
Call banning
Call restrict
Call barring