CrazyEngineers

tejasnaidu
@tejasnaidu-PBXdbr • Dec 10, 2025

Dec 10, 2025

1.5K

Airconditioner question

Hi all, This is a technical question regarding split airconditioner. Presently at site we have a US (American) made generator which supplies power at 110V/60Hz and 220V/60Hz. Both the supply...

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Abhishek Rawal
@abhishek-fg9tRh • Dec 10, 2025

Dec 10, 2025

1.8K

Magnetic Door Locks. How Does It Work ?

I would like to know the construction & working(in detail) of magnetic door locks. Few questions : - The magnets in locks are temperory magnets or permanent ? - If...

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Simran Jha
@CUzsqV1 • Dec 10, 2025

Dec 10, 2025

979

Social Media – The Modern Fuel Behind Powerful Branding**

Social media has transformed into one of the strongest tools for shaping how people view a brand. What once started as a platform for casual updates has now become a...

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Simran Jha
@CUzsqV1 • Dec 10, 2025

Dec 10, 2025

477

Social Media – The Modern Fuel Behind Powerful Branding**

Social media has transformed into one of the strongest tools for shaping how people view a brand. What once started as a platform for casual updates has now become a...

Like 0 Replies 0
Droopy
@droopy-gD1JUl • Dec 9, 2025

Dec 9, 2025

1.7K

Ground Fault Problem

Hey guys, I am a part time BSEE student while I work my full time job as an industrial electrician. I ran into a problem that is stumping me that...

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mohammed irfan
@mohammed-irfan-HDp5cc • Dec 9, 2025

Dec 9, 2025

1.7K

technical seminar based on airconditioning

hi my name is irfan and i am new to this site.i am a final year mechanical engineering student and i am searching for a topic for technical seminar based...

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Saugata
@saugata-KwZadq • Dec 9, 2025

Dec 9, 2025

1.5K

Airconditioning anomaly

An air-conditioned classroom is maintained at 72◦F in the summer. The students attend classes in shorts, sandals, and tee shirts and are quite comfortable. In the same classroom during the...

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maria flor
@maria-flor-8cAkif • Dec 8, 2025

Dec 8, 2025

1.4K

House Paint Samples On Wall

Before you paint your home, Watch This Video [video=youtube;YCMmDuhXNFc]https://www.youtube.com/watch?v=YCMmDuhXNFc&feature=mfu_in_order&list=UL[/video]

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maria flor
@maria-flor-8cAkif • Dec 8, 2025

Dec 8, 2025

1.3K

How to Design a Home Plumbing System

How to Design a Home Plumbing System Instructions: Waste Water System 1.Decide where to place your main stack. The main stack is a large pipe, usually 3 or 4 inches...

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Ramani Aswath
@ramani-VR4O43 • Dec 8, 2025

Dec 8, 2025

1.1K

Moving house is common. Moving a 6,200 Ton Building?

An amzing feat of moving an entire 122 year old building, the Machine Factory Oerlikon building in Zurich, by 60 metres foundation and all is on. #-Link-Snipped-#

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Mike Paul
@mike-paul-ZdpixD • Dec 8, 2025

Dec 8, 2025

1.6K

Insulation under radiant floor heating system?

Hey friends, We just put in a hot-water radient floor heat system. We need to insulate under the floor in the crawlspace. Contractor says use bats, plumber says use board-type...

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Difficulty - Medium

Total Plays - 76

Allowed Time - 10 sec

Best time - 0.924 sec

Which energy trend is scaling the quickest globally?

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

#A

#B

#C

#D

Explanation:
Solar and wind installations are growing aggressively because of falling costs and policy pushes.

Leaderboard
Difficulty - Hard

Total Plays - 66

Allowed Time - 15 sec

Best time - 1.171 sec

What is the core promise of Quantum Computing?

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

#A

#B

#C

#D

Explanation:
Quantum computers exploit superposition and entanglement to solve certain problems exponentially faster.

Leaderboard
Difficulty - Medium

Total Plays - 67

Allowed Time - 10 sec

Best time - 0.832 sec

Which metal is liquid at room temperature?

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

#A

#B

#C

#D

Explanation:
Mercury stays liquid around 25°C while most metals are solid.

Leaderboard
VivianLaura
@vivianlaura-sg3svF • Dec 4, 2025

Dec 4, 2025

1.2K

Can pre-cast concrete foundation walls be used to repair/replace a failing foundation

My house is 42 years old and the foundation walls are failing, the basement floors are cracking, the living room is sloping. I definitely need to find a solution fast....

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asif ali
@MGPpdcJ • Dec 2, 2025

Dec 2, 2025

475.0K

Discussion Topic: The Importance of Digital Platforms in Utility Management

Discussion Topic: The Importance of Digital Platforms in Utility ManagementHi fellow engineers! 👋As we all know, technology is rapidly changing how we manage everyday tasks, from paying bills to monitoring...

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Ankit Litoriya
@ankit-litoriya-E1enaJ • Dec 1, 2025

Dec 1, 2025

2.1K

Cheat Sheets For C / C++

Hello Friends, Do anyone please help me in getting some good cheat sheets related to C , C++. Very thankful if able to find on Vim editor and android and...

Like 0 Replies 5
Kaustubh Katdare
@thebigk • Nov 28, 2025

Nov 28, 2025

1.5K

19 Years of CrazyEngineers. Started alone in a Bedroom. Spread Across 180+ Countries.

Nineteen years ago today, On 26 November 2005 - CrazyEngineers was launched from a bedroom. A simple idea - to create a place for engineers to connect with each other...

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Kaustubh Katdare
@thebigk • Nov 28, 2025

Nov 28, 2025

1.4K

Renault Twizy Goes Firefighting

Renault's Twizy has been adopted to fire-fighters' needs. The company had demonstrated Twizy back in 2009 at the Frankfurt Motor Show as a two seater designed for urban transport. Twizy...

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Ramani Aswath
@ramani-VR4O43 • Nov 28, 2025

Nov 28, 2025

1.5K

Self cleaning surfaces - Candle Soot coating sheds both warter & oil

Amphiphobic - Repelling both oil and water is the remarkable property of this nano material film devloped by researchers at the Max Planck Institute for Polymer Research, Darmstadt, Germany. Nothing...

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