CrazyEngineers

bhuvan
@bhuvan-X3dzlh • Nov 3, 2025

Nov 3, 2025

10.0K

Mini Project Ideas For Mechanical Engineering - 2023

We have compiled a list of mechanical engineering mini-project ideas that are easy to implement and cost very well under Rs. 10,000. Most of the projects discussed cost under Rs....

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Abhishek Rawal
@abhishek-fg9tRh • Oct 31, 2025

Oct 31, 2025

2.1K

GooglePlayDownloader : An App To Download APK From PlayStore

You heard it right. #-Link-Snipped-# developed by few awesome devs which will let you download any app's apk directly on PC. Source : #-Link-Snipped-# Go compile !!!

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Anoop Kumar
@anoop-kumar-GDGRCn • Oct 30, 2025

Oct 30, 2025

7.2K

KBC (Kaun Banega Crorepati) Double Dip vs. 50/50

One of the lifeline of <a href="https://en.wikipedia.org/wiki/Kaun_Banega_Crorepati#Biggest_Winners" target="_blank" rel="nofollow noopener noreferrer">Kaun Banega Crorepati Biggest Winners</a> was Fifty-Fifty (50/50) which is replaced by Double Dip in fifth season and still in...

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Difficulty - Hard

Total Plays - 104

Allowed Time - 15 sec

Best time - 1.063

The average of five consecutive even numbers is 24. What is the smallest number?

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Explanation:
Average = middle term = 24. Numbers = 20, 22, 24, 26, 28. Smallest = 22.

Leaderboard
Difficulty - Hard

Total Plays - 58

Allowed Time - 15 sec

Best time - 1.448

The ratio of speeds of two cars is 4 : 5. If the faster car covers 300 km in 3 hours, how long will the slower car take?

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Explanation:
Faster car’s speed = 300/3 = 100 km/h. Slower = 100 × 4/5 = 80 km/h. Time = 300/80 = 3.75 ≈ 4 hours.

Leaderboard
Difficulty - Medium

Total Plays - 53

Allowed Time - 10 sec

Best time - 1.124

A sum doubles in 8 years at simple interest. In how many years will it triple?

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Explanation:
If it doubles in 8 years, the interest earned = principal. To triple, interest = 2× principal. So time = 8 × 2 = 16 years.

Leaderboard
Difficulty - Hard

Total Plays - 45

Allowed Time - 15 sec

Best time - 1.411

Who designed the first programmable computer concept (Analytical Engine)?

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Explanation:
Babbage proposed the Analytical Engine, which inspired modern computing architectures.

Leaderboard
Difficulty - Hard

Total Plays - 44

Allowed Time - 15 sec

Best time - 0.532

What happens to electrical resistance as temperature increases in a conductor?

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Explanation:
In most conductors, higher temperature increases atomic vibrations, which hinder electron flow and raise resistance. (But in semiconductors, it’s the opposite — resistance drops!)

Leaderboard
Difficulty - Medium

Total Plays - 45

Allowed Time - 10 sec

Best time - 1.208

What unit measures electrical power?

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Explanation:
The watt measures the rate of energy conversion or power in an electrical circuit.

Leaderboard
Difficulty - Medium

Total Plays - 49

Allowed Time - 10 sec

Best time - 1.160

What does CAD stand for?

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Explanation:
CAD software helps engineers design parts and assemblies digitally before production.

Leaderboard
cindrilla
@cindrilla-uEN5oq • Oct 25, 2025

Oct 25, 2025

1.6K

aptitude questions

a sports dealer bought 2000hockey sticks for Rs 350 each.10%of them were found to be defective and unfit to be sold.At what price should he sell the remaining to get...

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J I J O
@j-i-j-o-Qfo12V • Apr 8, 2026

Apr 8, 2026

1.7K

Query about studying in Singapore..

HI guys, This is for my friend he is a mechanical engineer we studied together. Now he want to go to Singapore for joining MBA. His preferred universities are James...

Like 0 Replies 3
Deasel Weasel
@deasel-weasel-A8LaZa • Apr 8, 2026

Apr 8, 2026

1.8K

What High School Classes Should I Take to be an Engineer?

I'm in high school, and my school offers alot of electives. I already signed up for my engineering class, but was wondering if there are any other classes i should...

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Kaustubh Katdare
@thebigk • Oct 23, 2025

Oct 23, 2025

186.3K

Is the job market bad right now or warming up?

I’m seeking opinions on the status of the job markets right now, especially for the engineers. Do you think the job market is bad right now or do you think...

Like 3 Replies 2
vinaykumar devarkond
@vinaykumar-devarkond-9KsNLW • Oct 23, 2025

Oct 23, 2025

31.5K

30 Lakhs (in Rupees) to USD?

Rs. 30 Lakhs in USD would be about $36,090, as per USD <> INR exchange rate. If you wish to earn that much salary; you will have to get a...

Like 1 Replies 8
Kaustubh Katdare
@thebigk • Oct 18, 2025

Oct 18, 2025

620

Founder Life : Fair > Loved and Genuine > Perfect!

As a founder, you can’t afford to be perfect.Your real job is to be authentic.Perfection often comes from the need to be loved -but that need can stop you from...

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Edward Rubahika
@breezy-blogger • Oct 10, 2025

Oct 10, 2025

993

Smell detecting camera/app

So, I am looking for a mobile app/camera to detect smell/scent. One that can be downloaded onto a phone, smart watch that you can point and it detects that this...

Like 1 Replies 1
Kaustubh Katdare
@thebigk • Oct 15, 2025

Oct 15, 2025

22.1K

Will AI Agents Replace Engineers in the Future?

I wonder if AI agents will replace engineers in near future. I want to seek your opinions on this topic because we have engineers from diverse backgrounds and experiences. AI...

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Boson123
@9dmOsp0 • Aug 2, 2025

Aug 2, 2025

19.8K

Looking for a co-founder for a civil engineering related startup

Hi,I am an aspiring entrepreneur. Not yet hit the elusive glass ceiling but definitely intend to. I have a solution to the next big thing in the infra space. I...

Like 7 Replies 1
Priya M
@priya-mehta • Oct 15, 2025

Oct 15, 2025

20.3K

Which is the best engineering branch for future?

I wish to know which is the best engineering branch for the future? This is for my sister who is looking to decide engineering branch. She’s got good percentage and...

Like 7 Replies 3