1.What is the difference between safety valve and relief valve?

9 Answers   Covanta Energy,

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which is more efficient diesel or petrol engine?

4 Answers  

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current rating of a 3 phase dg set is 20 amp, but what will be the per phase current for single phase supply?

0 Answers  

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What is a cotter joint?

0 Answers  

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what is synchronizer

2 Answers  

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What is the difference between soldering & brazing?

3 Answers   UltraTech,

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hai, i am preparing for rrb section engineer writeen exam, can enyone help me out with last few years model question papers,my mail I.D. is gopi306@gmail.com. and is there any books to prepare for the exam.............

1 Answers  

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What are the differences between pneumatics and hydraulics?

0 Answers  

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part of lathe which houses speed changing gears?

2 Answers   BEL,

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What are the methods of heat transferin boiler & condenser

2 Answers  

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What is big advantage of fast breeder reactor ?

0 Answers  

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Discuss various surface finishing processes?

0 Answers   John Deere,

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