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