Answer / amit sunny

for freon refrigeration system leak hallide torch is used.
for halogenated refrigerants electronic leak detectors are used.

is it necessory to use heat exchanger in case of water cooled chillers & cooling towers?????

3 Answers  

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can anybody says what is mean by BS 1/8" thread?

1 Answers  

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what is machnical interlock? explain the uses.

1 Answers  

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what is procedure of measuring operating length of mechanical seal.(in case of centrifugel pump)

0 Answers   ITC Infotech,

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what's the difference between moment of inertia and mass moment of inertia?

4 Answers  

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What are the rules that must be kept in mind while designing castings?

0 Answers  

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why screw pumps are used instead of centifugal pump?

8 Answers  

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I have applied the post Junior Engineer-iii(c&w)in R.R.B Guwahati recently . what type of question i have to practice and which book ?. can i get any model question paper?

6 Answers   RRB,

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What are different types of gate valves?

0 Answers  

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What is the critical speed. Compare the critical speed of hollw shaft and solid shaft.

0 Answers   Cummins,

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What is non-destructive test and what is the purpose of it?

1 Answers   RRB,

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Steps In starting boilers.

1 Answers   ABC Inc, RRB, Siemens,

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