ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | FLUID MECHANICS 🔥

Pipeline + centrifugal pump system.

Flow rate drops after few months…
Pump speed is SAME.

👉 What went wrong?

---

💡 Think:
• System resistance?
• Pump vs system curve?
• Cavitation?
• Fluid properties?

👇 Drop your answer (No Googling)
Best answers will be featured!

17 hours ago | [YT] | 1

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | REACTION ENGINEERING 🔥

A continuous reactor shows oscillations in:
• Temperature
• Conversion

Instead of steady operation.

👉 What could be happening physically?

---

💡 Think:
• Kinetics vs heat transfer
• Delayed cooling response
• Multiple steady states
• Feedback instability

👇 Drop your answer (No Googling)
Best answers will be featured!

3 days ago | [YT] | 9

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | HEAT TRANSFER 🔥

Two fluids flow over the same hot plate:
• Air
• Liquid metal

👉 Which one will have LOWER convective resistance?

WHY?

---

💡 Think:
• Thermal conductivity
• Boundary layer thickness
• Prandtl number

👇 Drop your answer (No Googling)
Best answers will be featured!

4 days ago | [YT] | 7

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | DISTILLATION 🔥

Atmospheric distillation unit showing poor separation.

👉 How will you identify the REAL cause?

---

💡 Think:
• Thermodynamics?
• Hydraulics?
• Heat transfer?

What plant data will help you diagnose it?

👇 Drop your answer (No Googling)
Best answers will be featured!

5 days ago | [YT] | 4

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | HEAT & MASS TRANSFER 🔥

Cooling tower efficiency drops in humid weather.

👉 Reactor temperature starts rising… what will you do?

---

💡 Think:
• Why does humidity affect cooling?
• What changes will you make?
• How will you ensure safety?

---

👇 Drop your answer (No Googling)
Best answers will be featured!

1 week ago | [YT] | 3

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | CRE 🔥

You are analyzing a gas–solid reaction where conversion does NOT increase with temperature.

👉 Why is this happening?

---

💡 Think deeper:
• Is diffusion limiting the system?
• Can faster kinetics still fail?
• What role does particle size play?

---

👇 Drop your answer (No Googling)
Best answers will be featured!

1 week ago | [YT] | 2

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | MASS TRANSFER 🔥

You are designing a gas absorption system where gas A is being absorbed into a liquid.

Even after increasing gas flow rate significantly, the absorption rate does NOT increase proportionally.

👉 Why is this happening?

---

💡 Think deeper:
• Is the system limited by mass transfer or thermodynamic equilibrium?
• What role does film thickness play?
• Can increasing flow rate ever reduce performance?

---

👇 Drop your answer (No Googling)
Best answers will be featured!

3 weeks ago | [YT] | 5

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | BARC/NPCIL | HEAT TRANSFER 🔥

You are analyzing heat transfer from a hot surface with fluid flowing over it.

👉 Why is Nusselt Number (Nu) considered a measure of convection strength?

💡 Think deeper:
• What does Nu = 1 physically represent? 🤔
• Why do engineers use Nu correlations instead of solving equations?
• If Nu increases, what exactly is improving?

👇 Drop your answer (No Googling)
Best answers will be featured!

3 weeks ago | [YT] | 4

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🚨 INTERVIEW CHALLENGE | BARC/NPCIL

Most students think this is simple…
But this question decides whether you get selected or rejected.

👉 How will you arrange multiple insulation materials for best performance?

💡 Think deeper:
• Should low k be inside or outside?
• Does arrangement even matter?
• What role does temperature distribution play?

👇 Drop your answer (No Googling)
Best answers will be featured!

4 weeks ago | [YT] | 3

ACE GATE & PSUs with Ankush Gupta | Chemical Engg.

🏆 *GATE 2026 Result Update – _Proud Moment for our ACE Family!_*

I am very happy to share that many ACE learners have started receiving excellent results this year ❤️
So far, **9 students have shared their results and testimonials with me, securing ranks from AIR 69 to AIR 621**, and more results are still coming.

Their disciplined preparation, conceptual clarity and consistent practice have truly paid off.
Sharing their result posters below 👇
Let’s congratulate them and get inspired from their journey 🚀

🎯 *If you were part of ACE classes (YouTube / App / Batch) and have qualified or secured a good rank, you can share your **scorecard + photo + consent** with me.*
We would be happy to celebrate your achievement as well.

💙 *To those who did not get the expected result this time — please don’t feel disheartened.*
GATE is a competitive exam, and sometimes results may not reflect the effort you have put in. One result or one difficult day does not define your potential.
Take this as a learning phase — analyse your preparation, strengthen your basics, and come back stronger.

If you need guidance to restart your preparation for **GATE 2027** or have any doubts/confusion, you can always reach out to me.

Let’s keep learning, keep improving and keep moving forward together.

– ACE | A Curious Educator

1 month ago | [YT] | 17