1) Any pipe line working fluid may water / steam on it one manual isolation valve suppose one side of valve 6 kg/ cm^2 pressure (i.e. up stream) and other side is “ 0” kg/ cm^2 pressure(i.e. down stream) . So how much Tourqe required for opening the valve in terms of Newton force wheather normal man can open this valve. (for reference pipe nominal bore is 100 NB )

0 Answers   Ansaldo,

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What is Solution Annealing? kindly explain its process in brief.

4 Answers  

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There is a block placed in between air and water. water is at 100 deg cel and air at 50. 1) Draw temperature profile. 2) Why is it curve in air and water?

0 Answers   BARC,

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what is npsh and how to calculate it for a centrifugal pump

15 Answers   Essar,

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All industrial (power plant, sugar. Cement etc...) chimneys are circular in shape rather than any other shapes... Y..?

9 Answers   BPCL Bharat Petroleum, UltraTech,

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In a tractor wheel, why is the Disc polygonal in shape (like a square, hexagon or octagon) whereas for Commercial vehicles and Passenger Cars the wheel has a circular disc?

4 Answers  

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what is mpa

2 Answers  

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What will happen if oil is mixed with boiler feed water?

5 Answers   NTPC,

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if we not carried out B check at mean time in DG set what will be happen?

0 Answers  

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What is the Turbo technology in engine???????????

3 Answers  

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what is the diffrence between a shaper machine and aplanner machine

8 Answers   HAL,

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Explain the advantages of cycloidal and involute gears?

0 Answers  

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