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 Pre-Sales Manager Job Interview Questions And Answers
Top Pre-Sales Manager Questions:
☺ | How do you keep others informed on work issues? |
☺ | If you felt like you were hitting the proverbial "wall" and getting burned out, what would you do to re-energize yourself? |
☺ | Your coworker highlights your mistakes in front of everyone, how do you handle the situation? |
☺ | Your client is upset with you for a mistake you made, how do you react? |
☺ | If you have multiple projects on your plate, how do you handle completing them on time? |
Top Best Management Categories
☺ | Store Keeper Interview Questions. |
☺ | Administrative Officer Interview Questions. |
☺ | Good Team Leader Interview Questions. |
☺ | Hotel Management Interview Questions. |
☺ | Project Coordinator Interview Questions. |