What is meant by direct heat exchanger [or] open heat exchanger?
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current rating of a 3 phase DG set is 20 Amps, but what will be the per phase current for single phase supply.
As compression ratio increases, thermal n increases. How is thermal n affected by weak and rich mixture strength ?
What is Solution Annealing? kindly explain its process in brief
What is meant by gear ratio?
Why iso-octane is chosen as reference fuel for s.i. Engines and allotted 100 value for its octane number ?
What is the role of nitrogen in welding?
What should you do before you start the engine?
Which rays are produced by cobalt-60 in industrial radiography ?
what is the relation between f and reynolds number?
Steps In starting boilers.
1 Answers ABC Inc, RRB, Siemens,
Explain the Classification of Welding Process?
Sir/Mam, I have applied for RRB chennai for the section engineer - mechanical posting. If any one is having the old written exam question papers please send it to my mail id : spramu@gmail.com Thanks in advance, Ramanathan...