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Mech Revision Factory � SSC JE | RRB JE | RSSB JE | AE/JE | PSU | GATE | PhD Entrances
� Concepts | Formulas | Numerical

15/10/2026

🥄 A metal spoon feels colder than a wooden spoon… but are they actually at different temperatures? 🤔

If both spoons are kept in the same room, why does the metal spoon feel colder when you touch it?

🧠 Think like a Mechanical Engineer!

👇 Comment your answer below! Let's see who knows the science behind this everyday phenomenon.

📚 Perfect for Mechanical Engineering students, engineering enthusiasts, and aspirants preparing for RRB JE, SSC JE, GATE, ESE/IES, State JE/AE, PSU exams and FE Mechanical.

11/10/2026

⚙️ Have you ever noticed the spiral grooves on a drill bit?

Why aren't drill bits made with straight grooves? What important function do these spiral flutes perform during drilling?

🧠 Think like a manufacturing engineer!

👇 Comment your answer below! Let's see how many engineering students know the purpose of drill bit flutes.

📚 Useful for RRB JE, SSC JE, GATE, ESE/IES, State JE/AE, PSU technical exams, Diploma/Polytechnic and FE Mechanical students.

10/10/2026

⚽ Ever wondered why a spinning football curves in the air?

What aerodynamic effect is responsible for this fascinating phenomenon? 🤔

Think like an engineer and comment your answer below! 👇 Let's see how many of you know the science behind this!

📚 Useful for RRB JE, SSC JE, GATE, ESE/IES, State JE/AE, PSU exams, FE Mechanical and engineering students worldwide.

08/10/2026

Why does a cutting tool have a positive rake angle? ⚙️

How does it affect cutting forces during machining?

Think like a manufacturing engineer and drop your answer in the comments! 👇

📚 Useful for RRB JE • SSC JE • GATE • ESE/IES • State JE/AE • PSU Technical Exams • Diploma/Polytechnic • FE Mechanical

07/10/2026

🔥 RRB JE CBT-2 | 100 QUESTIONS SERIES — Q.01/100
Your 1 Question a Day journey starts now! 🎯
Q.01 — Welding:
Which welding process is commonly used for joining thick steel plates in heavy structural applications due to its high deposition rate and deep pe*******on?
🤔 A, B, C or D?
Drop your answer in the comments before checking anywhere else! 👇
📌 Follow MECH REVISION FACTORY for 100 days • 100 questions covering important Mechanical Engineering topics for RRB JE CBT-2.

06/10/2026

🔥 WELDING QUESTION — CAN YOU GET IT RIGHT?
Which welding process is commonly used for thick steel plates because of its high deposition rate and deep pe*******on?
🤔 A, B, C or D?
Drop your answer in the comments — don’t check Google! 👇
🎯 Useful for RRB JE • SSC JE • GATE • ISRO • PSU • RVNL JE • RSMSSB JE • RPSC AE and other Mechanical Engineering exams.
📚 MECH REVISION FACTORY
Learn • Revise • Crack Exams

01/10/2026

Can you answer this Thermodynamics question in 10 seconds? 🔥

For an ideal gas, what happens to its internal energy when its temperature increases?

Think carefully and write your answer in the comments! 👇

📚 Useful for:
RRB JE • SSC JE • GATE • ESE/IES • State JE/AE • PSU Technical Exams • Diploma/Polytechnic • FE Mechanical • Mechanical Engineering Students

30/09/2026

Can you identify this dimensionless number? 💧

Which dimensionless number represents the ratio of inertial forces to viscous forces?

Think carefully and comment your answer below! 👇

📚 Useful for:
RRB JE • SSC JE • GATE • ESE/IES • State JE/AE • PSU Technical Exams • Diploma/Polytechnic • FE Mechanical • Mechanical Engineering Students

With Interesting Engineering – I just made it onto their weekly engagement list by being one of their top engagers! 🎉
29/09/2026

With Interesting Engineering – I just made it onto their weekly engagement list by being one of their top engagers! 🎉

29/09/2026

Can you identify this casting defect in 10 seconds? 🔥

Which casting defect appears as a cavity caused by trapped gases inside the casting?

Think carefully and comment your answer! 👇

📚 Useful for:
RRB JE • SSC JE • GATE • ESE/IES • State JE/AE • PSU Technical Exams • Diploma/Polytechnic • FE Mechanical • Mechanical Engineering Students

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