Goa Board Class 10 Question Paper 2022 Tele Communication

2022 XI 24 0230 Seat No.

Time : 1 Hour FIRST-TERM TELECOMMUNICATION
(NSQF)
Subject Code

S 1 0 8 5

Total No. of Questions : 20 (Printed Pages : 8) Maximum Marks : 20

INSTRUCTIONS : (i) Paper contains 20 questions.

(ii) Every question has four choices for its answers

(A), (B), (C) and (D) and only one of them is the correct

answer.

(iii) On the OMR sheet, for each question number, darken

with a ball point pen ONLY ONE bubble corresponding

to what you consider to be the most appropriate answer,

from among the four choices.

(iv) Please note that it is not possible to change the answer

once you have filled up the bubble with a ball point

pen. Hence sufficient care must be taken while

darkening the bubbles.

(v) For each question, you will be awarded ONE mark if

you have darkened only the bubble corresponding to

the correct answer. There is no negative mark.

(vi) Only one OMR sheet will be provided.

(vii) Use only Black or Blue Ball Point Pen.

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Choose and write the correct alternative from the options given
below :

1. Which of the following is not verbal communication ? 1

(A) Face to face conversation

(B) Talking on the phone

(C) Body language

(D) Group discussion

2. The component in the communication cycle which converts the readable data
to unreadable data is ................................. . 1

(A) Sender

(B) Encoding

(C) Channel

(D) Decoding

3. The ability to handle or minimise the physical and emotional effect of
stress is ............................. . 1

(A) Self-management

(B) Self-regulation

(C) Stress management

(D) Self-awareness

4. Which of the following is shortcut key used to save a file ? 1

(A) Ctrl+C

(B) Ctrl+S

(C) Ctrl+P

(D) Ctrl+V

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5. How can you make a strong password ? 1

(A) Use only letters

(B) Use number and special characters

(C) Use name of a person

(D) Use letters, numbers and special characters

6. The optical fiber cable that transmits one signal per fiber is called ......... . 1

(A) Step index

(B) Graded index

(C) Single mode

(D) Multi mode

7. The cable that is flexible, transparent made up of glass or plastic is ........ 1

(A) Shielded Twisted pair cable

(B) Unshielded Twisted pair cable

(C) Co-axial cable

(D) Optical fiber cable

8. Fiber optic communication is a method in which communication takes place
using ............................ . 1

(A) Air

(B) Water

(C) Light

(D) Oil

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9. The importance of splicing is .......................... . 1

(A) Only to join two broken fibers

(B) Only extend the cable run

(C) Only attaches a preterminated pigtail

(D) All of the above

10. Which of the following is the correct order for Route inspection ? 1

(1) Verify the plan through a route walk

(2) Take corrective actions

(3) Obtain an OFC route plan

(A) (1), (2), (3)

(B) (2), (3), (1)

(C) (3), (1), (2)

(D) (2), (1), (3)

11. Fusion splicing is mostly done ........................... . 1

(A) When we need splices need to be made quickly and easily

(B) When splices is done temporarily joining the cable

(C) When we need reliable joint between two fibers

(D) None of the above

12. The symbol is used in route plan indicates ....................... . 1

(A) Tank or Tower

(B) Building

(C) Warning

(D) Restricted

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13. Label the part marked as ‘‘A’’ : 1

Fiber Optic Cable
(A) Core

(B) Cladding

(C) Jacket

(D) Buffer

14. ....................... is used in single mode and polarization OFC. 1

(A) LC connector

(B) FC connector

(C) SC connector

(D) ST connector

15. Fiber optic communication is based on the principle of ................. . 1

(A) Reflection

(B) Refraction

(C) Dispersion

(D) Total Internal Reflection

16. .................... tool is used to cut the optical fiber at 90º. 1

(A) Cleaver

(B) Crimper

(C) Stripper

(D) Kevlar scissors

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17. ...................... is used for viewing the connector to protect eyes from fiber optic
source light in fiber. 1

(A) Visual fault locator

(B) Connector Inspection Microscope

(C) OTDR

(D) Power meter

18. In splicing, power meter is used ........................ . 1

(A) To cut the cable jacket and armor

(B) To verify splices and troubleshoot problems

(C) To clean fiber and connector during splicing

(D) To splice the optical fiber permanently

19. The tool used to remove primary coating from fiber without nicking the optical
fiber is .............................. . 1

(A) Tubing cutter

(B) Cable jacket stripper

(C) Fiber optic stripper

(D) Fiber cleaver

20. Identify the type of bad splice shown below : 1

(A) Fuse time too long

(B) Fuse current too hot

(C) Auto feed too high

(D) Auto feed too low

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