Class 11 Telecom Chapter 4 Fundamentals of Optical Fiber Technology

Class 11 Telecom Chapter 4 Fundamentals of Optical Fiber Technology Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters Class 11 Telecom Chapter 4 Fundamentals of Optical Fiber Technology Question Answer and select need one. Class 11 Telecom Chapter 4 Fundamentals of Optical Fiber Technology Notes Download PDF. AHSEC Class 11 Elective Telecom Question Answer English Medium.

Class 11 Telecom Chapter 4 Fundamentals of Optical Fiber Technology

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Fundamentals of Optical Fiber Technology

Chapter: 4

SESSION 1: PRE-INSTALLATION TESTING OF OPTICAL FIBER CABLES

CHECK YOUR PROGRESS

A. Multiple Choice Questions:

1. Never look directly at the fiber light, since it will damage the_______________.

(a) Eyes retina.

(b) Ears.

(c) Skin.

(d) Nose.

Ans: (a) Eyes retina.

2. LASER light will penetrate inside the eyes retina causing blindness since it is_____________.

(a) Focussed beam.

(b) Unfocussed beam.

(c) Scattered beam.

(d) Transmitted beam.

Ans: (a) Focussed beam.

3. Which of the following is used to heal the burn injury in case of electrocuted.

(a) Burnol.

(b) Soframycin.

(c) Burnol or Soframycin.

(d) None of the above.

Ans: (c) Burnol or Soframycin.

4. Which of the following is not the bleeding type.

(a) Minor bleeding.

(b) Bleeding through artery or main blood circulatory system.

(c) Bleeding from vein.

(d) External bleeding.

Ans: (d) External bleeding.

5. First aid box must contain following medicine.

(a) Tincture – iodine.

(b) Potassium permanganate.

(c) Sol-violate spirit.

(d) All of the above.

Ans: (d) All of the above.

6. What are the steps for using the fire extinguisher?

(a) Identify the safety pin of the fire extinguisher which is generally present in its handle.

(b) Break the seal and pull the safety pin from the handle.

(c) Use the fire extinguisher by squeezing the lever.

(d) All of the above.

Ans: (d) All of the above. 

7. When we use the fire extinguisher.

(a) In case of flood.

(b) In case of electric shock.

(c) In case of fire.

(d) In case of burn injury.

Ans: (c) In case of fire. 

8. Which of the following is the safety item Technician must not have while working?

(a) Safety boots.

(b) Gloves.

(c) Helmet.

(d) Belt.

Ans: (d) Belt.

B. Fill in the blanks:

1. While working on electricity, the technician must wear ________ gloves and shoes. 

Ans: Insulated.

2. Keep stretching your arms, legs, neck and back while working to ensure that they are not __________. 

Ans: Fatigued.

3. The unconsciousness due to electric shock may cause damage to his/her _______. 

Ans: Brain.

4. When fire is due to combustible metal then __________ type of fire extinguisher is used. 

Ans: Class-D.

5. Defective or inadequate insulation may result ___________.

Ans: Electric shock.

C. True or False:

1. Fiber optic splicing and termination use various chemical cleaners and adhesives as part of the processes. 

Ans: True.

2. The broken ends of fibers and scraps of fiber created during termination and splicing can be extremely dangerous.

Ans: True.

3. Fire extinguishers for use on electrical fires will have a C, BC or ABC on the label. 

Ans: True.

4. Apply Burnol or Soframycin type creams to burnt part of body of electrocuted person and do the bandage. 

Ans: True.

5. All the parts of body of affected person be kept in straight position and should be laid down on even spot. 

Ans: True.

6. Fire extinguisher consists of a hand-held cylindrical pressure vessel containing an agent, which can be discharged to extinguish a fire.  

Ans: True.

7. Check the rating and physical condition of the components and cables. 

Ans: True.

8. Common injuries that can be caused due to lifting heavy loads include neck strain, wrist sprain, back sprain, shoulder pain. 

Ans: True.

9. The aim of first-aid treatment is to cool down the affected area rapidly to minimize damage and loss of body fluids, and therefore reduce the risk of developing shock. 

Ans: True.

10. Fire extinguisher is used in case of an earthquake. 

Ans: False.

D. Short Answer Question. 

1. What are the factors that result in hazard? 

Ans: Hazards in the workplace may result from:

(i) Defective or inadequate insulation of electrical equipment.

(ii) Mishandling of tools and machinery.

(iii) Improper storage or handling of chemicals.

(iv) Wearing loose clothing near moving machinery.

(v) Negligence in following safety procedures

2. List out the various remedies to be taken in workplace. 

Ans: (i) Always wear proper PPE (gloves, helmet, safety glasses, earplugs, safety boots).

(ii) Use insulated tools when working with electricity.

(iii) Keep fire extinguishers readily available and know how to operate them.

(iv) Store chemicals properly and read all safety labels.

(v) Avoid loose clothing and ensure proper ergonomics.

(vi) Regularly check the rating and physical condition of cables and components.

3. How will you protect yourself from electric shock in a lightning storm? 

Ans: (i) Stay indoors and avoid contact with live electrical wires.

(ii) Do not touch metallic objects, poles, or equipment connected to power supply.

(iii) Disconnect electrical appliances and avoid using wired devices.

(iv) Wear rubber-soled safety shoes and insulated gloves if unavoidable outdoor work is required.

4. What are the precautions to be taken for preventing electric shock on the job? 

Ans: (i) Wear insulated gloves and shoes while working with electricity.

(ii) Avoid working on live circuits; switch off power before maintenance.

(iii) Ensure proper grounding and insulation of cables.

(iv) Do not use damaged or defective tools/equipment.

(v) Keep the workplace dry to avoid conduction through water.

(vi) Follow all safety signboards and warnings.

5. List out the various items that must be in first aid box. 

Ans: (i) Tincture – iodine.

(ii) Potassium permanganate.

(iii) Sol-violate spirit.

(iv) All of the above

6. What are the first aid treatments in case of burn injury? 

Ans: (i) Apply Burnol or Soframycin type creams to the burnt part of the body of an electrocuted person.

(ii) Do the bandage.

(iii) All the parts of the body of the affected person be kept in a straight position.

(iv) The patient should be laid down on an even spot.

7. Write down the steps for correct way of operating a fire extinguisher in case of a fire emergency. 

Ans: (i) Identify the safety pin of the fire extinguisher which is generally present in its handle.

(ii) Break the seal and pull the safety pin from the handle.

(iii) Use the fire extinguisher by squeezing the lever.

(iv) All of the above