Precautions and Treatment for Lightning

Q. Why is it advisable to stay inside a car during a thunderstorm?

Q.

What is earthing? Why is earthing of electrical appliances necessary?

Q.

What should be the steps taken to help a lightning strike victim?

1. Start artificial respiration to help in breathing.

2. Treat the person for burn

3. Treat for shock

4. Lie him on an insulating platform.

Q.

If air is bad conductor than why lightning can pass through it?

Q.

Mention few precautions to be taken during a lightning storm.

Q. What are the safety measures during a lightning strike?

Q.

How does earthing offer protection?

Q. Lightning conductors can be made up of ___.

1. plastic
2. copper
3. wood
4. rubber

Q. List down any four protective measures that you should take during a lightning.

Q.

Which is the best approach to keep safe during a thunderstorm?

1. Stay inside a big building or a hard-topped metallic car.

2. Stand underneath the nearest tall tree

3. Lie down on the ground

4. Crouch down to reduce the height

Q. The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain. [3 marks]

Q.

During lightning in a jungle
A) go under a tall tree.
B) go under a canopy of small trees.
C) crouch down

1. B and C

2. A and C

3. A, B and C

4. A only

Q.

Select which of the following should be followed to protect against lightning.

1. Avoid using any plumbing during lightning storms.

2. Avoid using your corded landline telephone during lightning storms.

3. Don't use appliances that are plugged into the wall during lightning storms.

4. Avoid standing on surfaces in which moisture or water is present during lightning storms.

Q.

Question 27

What precautions would you take if lightning occurs while you are outside the house?

Q. Identify the lightning conductor and the copper plate in Fig. shown

Q. What is the necessary safety measure to be taken to protect tall buildings from damage due to lightnings?

1. Install long metallic conductors over the building and connect it to ground.
2. Install a web of conductors over the building.
3. Have a roof top garden with tall tree
4. Install a tall insulator over the building.

Q.

Question 19

If the materials used for constructing a building were good conductors, do you think lightning will strike the building? Will the lightning conductor be still required to be installed in the building?

Q. A lightning conductor is electrically insulated from the building.

1. False
2. True

Q. It is safe to use cordless phones during thunderstorm.

1. True
2. False

Q. Electric appliances having metallic bodies should be switched on during a thunderstorm.

1. False
2. True

Q. Give reason ligtning conductor helps to prevent damage to tall buildings from the harmful effects of lightning

Q. Which of the following are considered unsafe during lightning?

1. Switching TV on
2. Bathing
3. Using cellphone
4. Using landline
5. Using umbrella
6. Crouching
7. Lying down
8. Turning lights on

Q. It's a good idea to carry an umbrella during thunderstorm and lightning.

1. True
2. False

Q.

Which of the following is safe to do during lightning?

1. Taking shelter under a tall tree

2. Talking on a mobile phone

3. Crouching in a large building or inside home

4. Working with construction machinery