Question

What is the best thing to do when strong winds are blowing over a hut having a weak thatched roof?
A) Open the doors and windows
B) Close all the doors and windows
C) Make holes in the roof
D) Burn wood inside

Answer 1

Hint: This is a very practical concept question. One should use their practical knowledge with respect to the scientific facts and relate the conditions given the question with the options given and find out the correct choice.

Complete step by step answer:
1) First of all we will learn about the concept of the thatched roof where the thatching is the part of the building a roof which is built with dry vegetation such as straw, sedge, water reed, heather, rushes, and palm branches. There are many layers of vegetation that are added one above another to repel the water away from the inner roof.
2) Now as we know about the thatched roof, when strong winds are blowing over a hut having a weak thatched roof there will be the possibility of falling off the roof due to strong winds.
3) We can minimize the possibility of falling off the roof by decreasing the resistance to the strong blowing winds as the hut is having a weak thatched roof.
4) We can decrease the resistance by opening all the doors and windows which will let pass the strong blowing winds through it and make the resistance less for the winds.
5) The other given options such as closing all the doors and windows will further increase the resistance to the strong winds. Making holes in the roof will damage the roof and burning the wood inside will not give the solution as it has nothing to do with the strong winds.
6) Therefore, the best thing to do when strong winds are blowing over a hut having a weak thatched roof is opening the doors and windows

Therefore, the correct option is A

Note:
While the construction of a thatched roof the bulk of the various vegetation is used which mostly stays dry and it is very densely packed. The dense packing traps the air in the layer making the thatching also as insulation for the hut.