CrazyEngineers

PRADIP CHAKRABORTY
@pradip-IwDCOf • Jul 16, 2025

Jul 16, 2025

22.2K

Cam for Inclined Cam Mechanism

Please let me know the manufacturing process of the cam , required for inclined Cam Mechanism equipment.

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Kaustubh Katdare
@thebigk • Jun 26, 2025

Jun 26, 2025

1.7K

iOS 18.4.1 Update and Issues: Balancing Critical Security Fixes with Emerging User Concerns

Apple recently released iOS 18.4.1 to patch two critical security vulnerabilities that were reportedly being exploited in targeted attacks. While the update is essential for safeguarding devices against these threats,...

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Kaustubh Katdare
@thebigk • Jul 20, 2025

Jul 20, 2025

20.9K

OpenAI's Social Network Vs Twitter - The Battle for Real-Time Data

I’m sure you’ve heard the news of OpenAI planning to build its own social network like “X”. One may wonder why’d an AI company want to build a social network....

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Kaustubh Katdare
@thebigk • Sep 26, 2025

Sep 26, 2025

22.5K

Samsung’s New Odyssey Neo G9 Monitor Packs Dual UHD Resolution and Mind-Blowing Visuals

TL;DR: Samsung just announced the massive 57-inch Odyssey Neo G9 gaming monitor, featuring dual UHD (7,680 x 2,160) resolution, a rapid 240Hz refresh rate, and Quantum Mini LED technology for...

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Difficulty - Easy

Total Plays - 132

Allowed Time - 5 sec

Best time - 1.624 sec

Identify this famous personality

Tip: Click "Play" to reveal options and start playing.

#A

#B

#C

#D

Explanation:
Linus Benedict Torvalds is a Finnish software engineer who is the creator and lead developer of the Linux kernel

Leaderboard
Difficulty - Hard

Total Plays - 196

Allowed Time - 15 sec

Best time - 0.457

A father is 36 years old and his son is 6. In how many years will the father be exactly three times as old as the son?

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#A

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#D

Explanation:
In 9 years, father will be 45 and son will be 15. 45 is 3 times 15.

Leaderboard
Difficulty - Medium

Total Plays - 145

Allowed Time - 10 sec

Best time - 1.324 sec

Identify the next number in the series -

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2 -> 3 -> 5 -> 7 -> 11 -> [ ? ]

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Explanation:
These are prime numbers. 13 is the next prime after 11.

Leaderboard
Difficulty - Medium

Total Plays - 142

Allowed Time - 10 sec

Best time - 0.632

If it takes 5 machines 5 minutes to make 5 widgets, how long would 100 machines take to make 100 widgets?

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#A

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Explanation:
Each machine makes 1 widget in 5 minutes. So 100 machines will make 100 widgets in 5 minutes, working in parallel.

Leaderboard
Difficulty - Medium

Total Plays - 134

Allowed Time - 10 sec

Best time - 0.582

What does a capacitor store?

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Explanation:
A capacitor stores energy in the form of an electric field between its plates. It doesn't store current or voltage directly.

Leaderboard
Difficulty - Hard

Total Plays - 126

Allowed Time - 15 sec

Best time - 0.515

What is the antonym of “Obscure”?

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#B

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#D

Explanation:
"Obscure" means unclear or hidden. Its opposite is clear.

Leaderboard
Difficulty - Medium

Total Plays - 124

Allowed Time - 10 sec

Best time - 1.262

Choose the word that best fits the sentence:

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He is very good ___ playing chess.

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Explanation:
The correct preposition after "good" (when talking about skill) is "at".

Leaderboard
Difficulty - Medium

Total Plays - 118

Allowed Time - 10 sec

Best time - 0.887

Identify Next Number In the Series: 2, 6, 12, 20, 30, ?

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#D

Explanation:
The pattern is +4, +6, +8, +10, +12... So, 30 + 12 = 42

Leaderboard
Difficulty - Medium

Total Plays - 105

Allowed Time - 10 sec

Best time - 1.610

Identify this commonly used engineering tool

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#A

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#D

Explanation:
A claw hammer is used for driving nails into wood and removing them using the curved claw. It’s a common tool in carpentry and general household repairs.

Leaderboard
Difficulty - Medium

Total Plays - 106

Allowed Time - 10 sec

Best time - 1.225 sec

Identify this famous logo of famous energy drink

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#A

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#D

Explanation:
This is the logo of famous energy drink "Red Bull"

Leaderboard
Difficulty - Medium

Total Plays - 90

Allowed Time - 10 sec

Best time - 1.058 sec

Choose the word most similar in meaning to: "Eloquent"

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#A

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#D

Explanation:
“Eloquent” refers to clear, strong, and persuasive speech or writing.

Leaderboard
Difficulty - Medium

Total Plays - 82

Allowed Time - 10 sec

Best time - 1.659 sec

What is the next number in the series?

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2 -> 4 -> 8 -> 16 -> ??

#A

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#D

Explanation:
Each number is multiplied by 2 to get the next number (2×2=4, 4×2=8, etc.).

Leaderboard
Difficulty - Hard

Total Plays - 96

Allowed Time - 15 sec

Best time - 1.592 sec

A clock shows the time as 3:15. What is the angle between the hour and the minute hands?

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Explanation:
At 3:15, the minute hand is at 3 (i.e., 90°), and the hour hand is slightly ahead of 3. Every minute, the hour hand moves 0.5°, so in 15 minutes, it moves 7.5°. So, angle between them = 90° - 7.5° = 7.5°.

Leaderboard
Difficulty - Medium

Total Plays - 87

Allowed Time - 10 sec

Best time - 1.230

Engineers' Day in India is celebrated on September 15 to honor which famous Indian engineer?

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Explanation:
Mokshagundam Visvesvaraya was a legendary civil engineer and Bharat Ratna awardee. His birthday, September 15, is celebrated as Engineers' Day in India.

Leaderboard
Difficulty - Medium

Total Plays - 89

Allowed Time - 10 sec

Best time - 1.035

CrazyEngineers was founded in which year?

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Explanation:
CrazyEngineers was founded in 2005 to bring together engineers from around the world to share ideas, projects, and innovations.

Leaderboard
Priya Mehta
@priyamehta • Jul 16, 2025

Jul 16, 2025

42.9K

Suggest a Laptop Suitable for Engineering Student (Budget Rs. 50000)

Hi everyone! I’m planning to buy a laptop under ₹50,000 and need some suggestions. I’m an engineering student, so my main usage will include running coding software like VS Code,...

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