Why are manhole covers round?
Submitted by: AdministratorThis is a classic brainteaser, which was reportedly first asked by a Microsoft interviewer. Here's how to ""solve"" this brainteaser (remember to speak and reason out loud while solving this brainteaser): Why are manhole covers round? Could there be a structural reason? Why aren't manhole covers square? It would make it harder to fit with a cover. You'd have to rotate it exactly the right way.
The pipes below are also round, so fitting them might be easier, as might be making them. So many manhole covers are round because they don't need to be rotated. There are no corners to deal with. Also, a round manhole cover won't fall into a hole because it was rotated the wrong way, so it's safer. Looking at this, it seems corners are a problem. You can't cut yourself on a round manhole cover. And because it's round, it can be more easily transported. One person can roll it.
Submitted by: Administrator
The pipes below are also round, so fitting them might be easier, as might be making them. So many manhole covers are round because they don't need to be rotated. There are no corners to deal with. Also, a round manhole cover won't fall into a hole because it was rotated the wrong way, so it's safer. Looking at this, it seems corners are a problem. You can't cut yourself on a round manhole cover. And because it's round, it can be more easily transported. One person can roll it.
Submitted by: Administrator
Read Online Air Conditioning Erector Job Interview Questions And Answers
Top Air Conditioning Erector Questions:
| ☺ | What other companies are you interviewing with? |
| ☺ | What is your biggest achievement? |
| ☺ | If you look at a clock and the time is 3:15, what's the angle between the hour and the minute hands? |
| ☺ | Why should the we hire you as this position As Air Conditioning Erector? |
| ☺ | Have you ever you have been in a position As Air Conditioning Erector where you've had to fire someone? How did you feel about that experience? |
Top Non-Technical Categories
| ☺ | Basic Information Technology Interview Questions. |
| ☺ | Training And Development Interview Questions. |
| ☺ | CV Writing Tips Interview Questions. |
| ☺ | All Jobs Interview Questions. |
| ☺ | Marketing Communication Interview Questions. |
