Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion


The leakage in a refrigeration system using ammonia is detected by

[A]. halide torch
[B]. sulphur sticks
[C]. soap and water
[D]. all of these

Answer: Option B


No answer description available for this question.

Sachin said: (Dec 14, 2016)  
No it's halide torch.

Vikas Singh said: (Feb 17, 2017)  
No, I think you are wrong @Sachin.

Uddhav said: (Aug 30, 2017)  
Yes, right @Sachin.

It's halide torch.

Gladson said: (Sep 19, 2017)  
No, it's for freon gas that is halide torch this is ammonia so its Sulphur sticks.

Pankaj said: (Sep 23, 2017)  
You are right @Gladson.

Puneet Singh said: (Jul 18, 2018)  
It's halide torch.

Dinesh said: (Feb 4, 2019)  
For freon - halide torch.

For NH3 - sulphur sticks.

Shrivardhan said: (Dec 12, 2019)  
Sulphur stick - which will form white fumes of ammonia sulphide in presence of ammonia.

Vinayaka L said: (Jan 11, 2020)  
For freon: Halide torch, soap and bubble.

For Ammonia: sulphur sticks.

For so2: Ammonia swab test.

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