CrazyEngineers

PRADIP CHAKRABORTY
@pradip-MzE4HZ • Mar 20, 2026

Mar 20, 2026

1.7K

PAN CARBON FIBRE

Please let me have the Machining property details of Carbon Fiber components and the details of Drilling, milling cutter used to machine it.

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Difficulty - Medium

Total Plays - 56

Allowed Time - 15 sec

Best time - 0.960 sec

Calculate in Mind: 4% of 475

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Explanation:
Easy way to calculate: 1% of 475 = 4.75. Now to calculate 4%, multiple 4 by '4' to get 16, and then multiple 4 x 0.75 which is 3. Answer must be 16 + 3 = 19.

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Krishna Dabholkar
@fresh-duster • Mar 14, 2026

Mar 14, 2026

1.7K

Trading course?

I am 17 and just completed by board exams, any good and free trading courses which i can join during my free time?

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Difficulty - Medium

Total Plays - 62

Allowed Time - 10 sec

Best time - 1.048 sec

What is type of null in JavaScript?

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Explanation:
Due to a historical bug in JavaScript, typeof null returns "object". It is a well-known quirk of the language.

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Difficulty - Easy

Total Plays - 60

Allowed Time - 10 sec

Best time - 0.716 sec

What is type of (5,) in Python?

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Explanation:
The trailing comma makes it a tuple. Without the comma, (5) would just be an integer.

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Difficulty - Medium

Total Plays - 54

Allowed Time - 10 sec

Best time - 1.042 sec

What is the size of char in C programming language?

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Explanation:
In C, char is defined as exactly 1 byte. The actual number of bits in a byte is implementation-defined, but sizeof(char) is always 1.

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Difficulty - Medium

Total Plays - 43

Allowed Time - 10 sec

Best time - --

Which quantity remains constant in series circuit?

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Explanation:
In a series circuit, the same current flows through all components because there is only one path for charge flow. Voltage divides across components, but current remains constant throughout.

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Difficulty - Easy

Total Plays - 46

Allowed Time - 15 sec

Best time - 0.992 sec

In a certain code, CAT is written as DBU. How is DOG written in that code?

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Explanation:
Each letter is shifted forward by one position in the alphabet. D → E, O → P, G → H. So DOG becomes EPH.

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Difficulty - Medium

Total Plays - 35

Allowed Time - 10 sec

Best time - 5.821 sec

Choose the correct meaning of the word "Pragmatic"

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Explanation:
“Pragmatic” refers to dealing with things realistically and sensibly. It focuses on practical results rather than theories or emotions.

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Difficulty - Hard

Total Plays - 33

Allowed Time - 15 sec

Best time - 1.085 sec

A train 120 m long crosses a 180 m platform in 15 seconds. What is its speed?

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Explanation:
Total distance covered = 120 + 180 = 300 m. Speed = Distance ÷ Time = 300 ÷ 15 = 20 m/s.

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Kaustubh Katdare
@thebigk • Feb 19, 2026

Feb 19, 2026

473

CrazyEngineers Upgraded :: Welcome to New CE!

CrazyEngineers has just been upgraded to latest version of Jatra - the community platform that powers CE. We've a lot of new goodies packed! @abrakadabra

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veereshsg
@veereshsg-BDN31U • Feb 16, 2026

Feb 16, 2026

2.1K

Any Ideas On Load Bearing Capacity In Interference Fit With Shearing Loads.

Any ideas on Load bearing capacity in interference fit with shearing loads.

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maria flor
@maria-flor-8cAkif • Feb 16, 2026

Feb 16, 2026

1.5K

Asia's first Underwater Resort

The Philippines is all set to embrace a futuristic undersea project to rival those in Maldives, Dubai and Fiji, according to a Filipino team of developer and architects, which is...

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Olu_Ola
@olu-ola-gHa7IO • Feb 16, 2026

Feb 16, 2026

9.3K

Relationship between frequency and distance

Please can anybody explain how the frequency of a communication signal affect its propagation range?Answer:In electrical engineering, the relationship between frequency and distance can be analysed in the context of...

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piyushcs
@piyushcs-4pZUx1 • Feb 14, 2026

Feb 14, 2026

2.7K

Soft Computing Vs. Hard Computing

what is the difference b/w soft and hard computing?? 😁

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Chaitali Sumita
@chaitali-sumita-Bn5O8f • Feb 14, 2026

Feb 14, 2026

7.4K

Electric Flux Magnetic Flux Difference

Below is the simple explanation of electric flux and magnetic flux and the difference between the two. Let me know if you have more questions. I will be happy to...

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Aarti Jangid
@aartijangid • Feb 5, 2026

Feb 5, 2026

665

What Challenges Do Developers Face When Building Scalable Crypto Exchanges?

As cryptocurrency adoption grows, crypto exchanges must handle increasing numbers of users, transactions, and assets—often in real time and across global markets. Building a platform that is not only functional...

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amara wilson
@amara-8HZG3i • Apr 29, 2026

Apr 29, 2026

2.4K

How I can make my Career in Digital Marketing?

Would you please tell me how I can make my career in digital marketing. I had done 6 months professional training in digital marketing after my graduation in computer science....

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Kaustubh Katdare
@thebigk • Feb 4, 2026

Feb 4, 2026

2.1K

The Raspberry Pi 2 Review - Officially Awesome Micro Computer

Short Review: Awesome hardware combined with great software and equally amazing, vibrant community of DIYers makes Raspberry Pi 2 the best micro computer you can buy in India for just...

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Ankita Katdare
@abrakadabra • Feb 4, 2026

Feb 4, 2026

2.0K

Sonos 5.0 App Introduced - Six New Features That Make Your Heart Grow Fonder

Sonos app was first launched in March with an aim to let users play and control their favorite music from a single place. By introducing the new version of their...

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