CrazyEngineers

PRADIP CHAKRABORTY
@pradip-IwDCOf • Jul 16, 2025

Jul 16, 2025
22.7K

Cam for Inclined Cam Mechanism

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

Like 5 Replies 0
Kaustubh Katdare
@thebigk • May 9, 2026

May 9, 2026
22.8K

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...

Like 4 Replies 0
Difficulty - Easy

Total Plays - 140

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 - 202

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?

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

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 149

Allowed Time - 10 sec

Best time - 1.324 sec

Identify the next number in the series -

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

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

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 148

Allowed Time - 10 sec

Best time - 0.380 sec

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

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

#A

#B

#C

#D

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 - 137

Allowed Time - 10 sec

Best time - 0.582

What does a capacitor store?

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

#A

#B

#C

#D

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 - 129

Allowed Time - 15 sec

Best time - 0.515

What is the antonym of “Obscure”?

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

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 128

Allowed Time - 10 sec

Best time - 1.262

Choose the word that best fits the sentence:

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

He is very good ___ playing chess.

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 121

Allowed Time - 10 sec

Best time - 0.887

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

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

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 108

Allowed Time - 10 sec

Best time - 1.610

Identify this commonly used engineering tool

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

#A

#B

#C

#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 - 109

Allowed Time - 10 sec

Best time - 1.225 sec

Identify this famous logo of famous energy drink

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

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 93

Allowed Time - 10 sec

Best time - 1.058 sec

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

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

#A

#B

#C

#D

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

Leaderboard
Difficulty - Medium

Total Plays - 85

Allowed Time - 10 sec

Best time - 1.659 sec

What is the next number in the series?

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

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

#A

#B

#C

#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 - 99

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?

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

#A

#B

#C

#D

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 - 90

Allowed Time - 10 sec

Best time - 1.230

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

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

#A

#B

#C

#D

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 - 93

Allowed Time - 10 sec

Best time - 1.035

CrazyEngineers was founded in which year?

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

#A

#B

#C

#D

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

Leaderboard
Kaustubh Katdare
@thebigk • May 9, 2026

May 9, 2026
39.0K

Sony’s New Bravia Lineup Aims for Hollywood at Home, Falls Just Short of $40K Stardom

Sony is back with a fresh Bravia lineup, and it’s aiming straight for the home theater throne. But first, a little history. Bravia, which launched in 2005, stands for "Best...

Like 2 Replies 0
Kaustubh Katdare
@thebigk • Apr 3, 2025

Apr 3, 2025
19.5K

Can data engineer become a data scientist?

I was recently asked if a data engineer can become a data science. How difficult is it for data engineers to switch career to data scientist and what type of...

Like 0 Replies 5
manubhat
@manubhat-k8sJPK • Mar 29, 2025

Mar 29, 2025
2.4K

Software- Development Vs Testing

hey Ceans, Am in final year of my engineering now and planning to do some certifications... Can someone tell me abt it...Does Software testing provide good growth in IT or...

Like 0 Replies 7