CBSE 10th class Unit 4: Chapter 3 PREVENT ACCIDENTS AND EMERGENCIES

 

Unit 4 
Chapter 3
PREVENT ACCIDENTS AND EMERGENCIES

A. Multiple Choice Questions

1.      (d) All of the above

All steps mentioned are necessary for operating a fire extinguisher.

2.      (d) All of the above

All options listed are examples of ignition sources of open flames.

3.      (b) Class B material

Class B fires involve flammable liquids, grease, and gases.

4.      (d) Class D material

Class D fires involve combustible metals like magnesium, potassium, and sodium.

5.      (a) Class A material

Class A fires involve ordinary combustibles like wood, paper, and cloth.

6.      (c) Class C material

Class C fires involve electrical equipment and wiring.

7.      (c) In case of fire

Fire extinguishers are specifically designed to combat fires.

8.      (b) 101

101 is the primary fire emergency telephone number in India.

A. Multiple Choice Questions

9. (b) Emergency Action Plan

An Emergency Action Plan outlines procedures for emergency response, including evacuation.

10. (d) Both (a) and (b)

In a medical emergency, immediate first aid and activating the emergency plan are both crucial steps.

B. Fill in the blanks

1. Emergency is a serious or crisis situation that needs immediate attention and action.
2. A caution sign will warn people to walk carefully on freshly mopped floors.
3. Warning signs can prevent accidents on a staircase with a sharp bent or warn against a loose floor tile.
4. Workplace safety committee should be responsible to handle evacuation process.
5. Workplace fires are commonly caused by improper storage of flammable material or combustible dust.
6. There should always be an emergency plan for scheduled electrical maintenance or work.
7. If the victim is breathing and has a heartbeat, give first aid for injuries and treat for shock.
8. A fire extinguisher is a portable device containing an extinguishing agent which can be discharged to extinguish a fire.

C. State whether the following statements are True or False

1. True
2. False
3. True
4. True
5. True
6. True
7. False
8. True

D. Short answer questions

1. What is a workplace emergency?

A workplace emergency is any unplanned event that threatens the health, safety, or security of employees, visitors, or property. This can include fires, floods, natural disasters, active shooter situations, or other unforeseen circumstances.

2. How do you protect yourself, your employees, and your business?

To protect yourself, your employees, and your business, you should implement a comprehensive emergency preparedness plan. This plan should include:

• Emergency Action Plan (EAP): Outlines procedures for emergency response, evacuation, and accountability.
• Fire Safety Plan: Details fire prevention measures, evacuation routes, and fire extinguisher locations.
• Emergency Contact List: Lists key personnel and emergency contacts.
• Regular Drills and Training: Conducts drills to practice emergency procedures and train employees on proper response.
• First-Aid Kits: Maintains well-stocked first-aid kits in accessible locations.
• Emergency Equipment: Provides necessary equipment like fire extinguishers, fire blankets, and alarms.
• Insurance: Maintains adequate insurance coverage to protect against losses.

3. What is an emergency action plan?

An Emergency Action Plan (EAP) is a written document that outlines procedures for emergency response, evacuation, and accountability. It helps ensure a coordinated and effective response to emergencies.

4. What should your emergency action plan include?

An EAP should include:

• Emergency Procedures: Specific actions to be taken in case of different types of emergencies.
• Evacuation Procedures: Designated escape routes, assembly points, and evacuation signals.
• Emergency Contacts: A list of emergency contact numbers.
• Roles and Responsibilities: Assigning specific roles to employees for emergency response.
• Training and Drills: A schedule for regular training and drills.
• Communication Plan: Procedures for communicating with employees and external agencies.

5. How do you develop an evacuation policy and procedures?

To develop an evacuation policy and procedures, you should:

• Identify potential hazards: Assess the risks and vulnerabilities of your workplace.
• Develop evacuation routes: Plan clear and safe escape routes and mark them with signs.
• Designate assembly points: Establish specific locations for employees to gather after evacuation.
• Train employees: Conduct regular drills to familiarize employees with evacuation procedures.
• Review and update: Regularly review and update your evacuation plan to account for changes in the workplace.

6. How do you establish evacuation routes and exits?

To establish evacuation routes and exits:

• Identify exits: Clearly mark all exits and ensure they are unobstructed.
• Designate primary and secondary routes: Have multiple escape routes in case of emergencies.
• Post evacuation maps: Display maps at strategic locations to guide employees.
• Conduct regular inspections: Ensure exits are clear and accessible.

7. What are the various types of fire extinguisher and their extinguishing material?

• Class A: Water-based extinguishers for ordinary combustibles like wood, paper, and cloth.
• Class B: Carbon dioxide or dry chemical extinguishers for flammable liquids and gases.
• Class C: Dry chemical extinguishers for electrical fires.
• Class D: Special dry powder extinguishers for combustible metals.

8. What are the steps for operating a fire extinguisher in case of a fire emergency?

• Pull: Pull the pin to release the safety lock.
• Aim: Aim the nozzle at the base of the fire.
• Squeeze: Squeeze the handle to discharge the extinguishing agent.
• Sweep: Sweep the nozzle side-to-side to cover the fire.

9. Compare the different types of fire extinguishers.

Type	Extinguishing Agent	Fire Class
Class A	Water	Ordinary combustibles (wood, paper, cloth)
Class B	Carbon dioxide, dry chemical	Flammable liquids and gases
Class C	Dry chemical	Electrical fires
Class D	Dry powder	Combustible metals

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10. List the different classes of fire.

• Class A: Ordinary combustibles (wood, paper, cloth)
• Class B: Flammable liquids and gases
• Class C: Electrical fires
• Class D: Combustible metals

11. List out electrical rescue techniques.

• Do not touch the victim directly: Use non-conductive materials like wood or rubber to move the victim.
• Shut off the power source: If possible, turn off the power at the source.
• Call for help: Dial emergency services immediately.
• Administer CPR if necessary: If the victim is not breathing, perform CPR.

12. What is the first aid for electrical emergencies?

• Do not touch the victim: If the victim is still in contact with the electrical source, do not touch them.
• Turn off the power: If possible, turn off the power at the source.
• Call for help: Dial emergency services immediately.
• Administer CPR if necessary: If the victim is not breathing, perform CPR.
• Monitor the victim: Keep the victim warm and monitor their condition until medical help arrives.