HP Board Class 9 Model Question Paper 2022 Telecom Term 2

MODEL TEST PAPER (Term - II) Q.1. Answer the following questions ?
Class – 9th (Level - I) ÁŸêŸÁ‹Áπà ¬˝‡ŸÙ¥ ∑ð ©ûÊ⁄ ŒËÁ¡∞ ? 5×1=5
Subject – Telecom (a) Optical power can be measured by using
..................... .
Time : 3 hours M.M. : 40
•ÊÚÁå≈∑ ‹ ¬Êfl⁄ ∑ Ù ..................... ∑ð mÊ⁄Ê ◊Ê¬Ê ¡ÊÃÊ
Áfl‡Êð· ÁŸŒð¸‡Ê (Special Instructions) :– „Ò–
(i) Candidates are required to give their answers in (i) OTDR (ii) Power Meter
their ownwords as far as Practicable. (iii) Test Fiber Box (iv) Optical Coupler
¬⁄ˡÊÊÕ˸ ÿÕÊ‚¢÷fl •¬Ÿð ‡ÊéŒÙ¥ ◊ð¥ „Ë ©ûÊ⁄ Œð¥– (b) LASER produces ..................... .

(ii) Marks allotted to each question are indicated LASER ..................... ∑ Ê ©à¬ÊŒŸ ∑ ⁄ÃË „Ò –
against it. (i) Focused beam of light
(ii) Focused beam of rays
¬˝àÿð∑ ¬˝‡Ÿ ∑ð •¢∑ ©‚∑ð ‚Ê◊Ÿð ÁŒ∞ ª∞ „Ò¥ –
(iii) Unfocused beam of light
(iii) All questions are compulsory.
(iv) None of these
‚÷Ë ¬˝‡Ÿ •ÁŸflÊÿ¸ „Ò¥ – (c) Fire extinguisher can be used for .....................
(iv) Answers should be brief and to the point. •ÁÇŸ‡ÊÊ◊∑ ÿ¢òÊ ∑ Ê ©¬ÿÙª ..................... ∑ð Á‹∞
©ûÊ⁄ ‚¢ÁˇÊåà ∞fl¢ Ã∑¸ ‚¢ªÃ „ÙŸÊ øÊÁ„∞– Á∑ ÿÊ ¡Ê ‚∑ ÃÊ „Ò –
(i) Flood (ii) Fire
(v) Answer the questions of 1 marks in only one word
or in a line, 2 marks in 20 to 40 words, of 3 marks (iii) Electric shock (iv) Burn Injury
in 40-60 words. (d) What is the full form of OTDR ?

v •¢∑ flÊ‹ð ¬˝‡ŸÙ¥ ∑ð ©ûÊ⁄ ∑ð fl‹ ∞∑ ‡ÊéŒ ÿÊ ∞∑ ¬¢ÁÄà ◊ð¥, OTDR ∑ Ê ¬Í⁄ Ê ŸÊ◊ ÄÿÊ „Ò ?
w •¢∑ Ù¥ flÊ‹ð ¬˝‡ŸÙ¥ ∑ð ©ûÊ⁄ wÆ ‚ð yÆ ‡ÊéŒÙ¥ ◊ð¥, x •¢∑ Ù¥ flÊ‹ð (i) Optical Time Detector Ratio
¬˝‡ŸÙ¥ ∑ð ©ûÊ⁄ yÆ ‚ð {Æ ‡ÊéŒÙ¥ ◊𥠌𥖠(ii) Optical Time Domain Reflectometer

(iii) Optical Time Domain Ratio (f) What is PowerMeter ?
(iv) Optical Time Detector Reflectometer ¬Êfl⁄ ◊Ë≈⁄ ÄÿÊ „Ò ?
(e) What is the full form of OFC ? (g) What is entrepreneurship ?
OFC ∑ Ê ¬Í⁄ Ê ŸÊ◊ ÄÿÊ „Ò ? ©lÁ◊ÃÊ ÄÿÊ „Ò ?
(i) Optical fiber cable (h) What are the qualities of successful
(ii) Orange fiber cable entrepreneur.
(iii) Optical frequency controller ‚» ‹ ©l◊Ë ∑ð ªÈáÊ ÄÿÊ „Ò ¢ ?
(iv) Optical fault controller (i) What is fire extinguisher ?
2. Answer any ten of the following questions in brief.
•Êª ’ȤÊÊŸð ∑ Ê ÿ¢òÊ ÄÿÊ „Ò ?
ÁŸêŸÁ‹Áπà ◊𥠂ð Á∑ ã„Ë¥ Œ‚ ¬˝‡ŸÙ¥ ∑ð ©ûÊ⁄ ŒËÁ¡∞ —- 10×2=20
(j) Explain the three R’s for saving the
(a) What is green Economy ? environment.
„Á⁄à •Õ¸√ÿflSÕÊ ÄÿÊ „Ò ? ¬ÿʸfl⁄áÊ ∑ Ù ’øÊŸð ∑ð Á‹∞ ÃËŸ R’s ∑ Ë √ÿÊÅÿÊ ∑ ⁄‘¥ –
(b) What is OTDR ? (j) List out the various items that must be in a
first aid box.
OTDR ÄÿÊ „Ò ?
(c) Define the roles of entrepreneurship. ¬˝ÊÕÁ◊∑ ÁøÁ∑ à‚Ê ’ÊÚÄ‚ ◊𥠄ٟð flÊ‹Ë ÁflÁ÷㟠flSÃÈ•Ù¢ ∑ Ë
‚ÍøË ’ŸÊß∞–
©lÁ◊ÃÊ ∑ Ë ÷ÍÁ◊∑ Ê•Ù¢ ∑ Ù ¬Á⁄÷ÊÁ·Ã ∑ ⁄‘¥ –
3. Answer any five of the following question in
(d) Which solution is used to clean the brief :- 5×3=15
connector ?
ÁŸêŸÁ‹Áπà ◊𥠂ð Á∑ ã„Ë¥ ¬Ê¢ø ¬˝‡ŸÙ¥ ∑ð ‚¢ˇÊð¬ ◊𥠩ûÊ⁄ ŒËÁ¡∞—-
∑ ŸðÄ≈⁄ ∑ Ù ‚Ê» ∑ ⁄Ÿð ∑ð Á‹∞ Á∑ ‚ ÉÊÙ‹ ∑ Ê ©¬ÿÙª
Á∑ ÿÊ ¡ÊÃÊ „Ò ? (a) Explain the Elements of OTDR with diagram.

(e) What do you mean by dead zone in OTDR? OTDR.

OTDR ◊ð¥ «ð « ˇÊðòÊ ‚ð •Ê¬∑ Ê ÄÿÊ ◊Ë’ „Ò ? OTDR ∑ð ÃàflÙ¥ ∑ Ù ÁøòÊ ‚Á„à ‚◊¤ÊÊ∞¢–

(b) What are the three types of business
activities ? Explain with examples.
ÃËŸ ¬˝∑ Ê⁄ ∑ Ë √ÿÊfl‚ÊÁÿ∑ ªÁÃÁflÁœÿÊ° ÄÿÊ „Ò¥ ? ©ŒÊ„⁄áÊ
‚Á„à ‚◊¤ÊÊ∞¢–
(c) Name the types of OTDR available in the
market ?
’Ê¡Ê⁄ ◊𥠩¬‹éœ OTDR ∑ð ¬˝∑ Ê⁄Ù¥ ∑ð ŸÊ◊ Á‹Áπ∞–
(d) What are the various personal protective
equipment that should be wear while working
in the field.
ÁflÁ÷㟠√ÿÁÄêà ‚È⁄ ˇÊÊ ©¬∑ ⁄áÊ ÄÿÊ „Ò¥ Á¡ã„ð¥ ˇÊðòÊ ◊ð¥ ∑ Ê◊
∑ ⁄Ãð ‚◊ÿ ¬„ŸŸÊ øÊÁ„∞–
(e) Write the name of various testing equipments
used in optical fiber communication.
•ÊÚÁåÃ∑ ‹ » Êß’⁄ ‚¢øÊ⁄ ◊𥠬˝ÿÈÄà „ÙŸð flÊ‹ð ÁflÁ÷ãŸ
¬⁄ˡÊáÊ ©¬∑ ⁄áÊÙ¥ ∑ð ŸÊ◊ Á‹Áπ∞–
(f) What are the safety rules to follow while
splicing ?
ÁSå‹Á‚¢ª ∑ ⁄Ãð ‚◊ÿ ¬Ê‹Ÿ ∑ ⁄Ÿð ∑ð Á‹∞ ‚È⁄ ˇÊÊ ÁŸÿ◊
ÄÿÊ „Ò¥ ?