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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How with alloying of steel it is possible to a achieve properties which can not be achieved with heat treatment ?

0 Answers  

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What will happen if oil is mixed with boiler feed water? Which is the best lubricant-air, oil or water? what is difference between fan and blowers

1 Answers  

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If we put a ball(made by metal) of dia 10mm on table of size 200 mm*200 mm . weight of ball is 10 kg(98.1N) it should point conact with table than what is the stress acting on table and why?

3 Answers  

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What is the developed on working company

1 Answers   Saint Gobain,

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types of law of evoporation

1 Answers   ACB Group, Tata Motors,

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Name two vital conditions of a perfect gas.

0 Answers  

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Refrigeration cycle works on?

6 Answers   Bhel,

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What is the critical temperature of a refrigerant ?

0 Answers  

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TRANSACTION CODE FOR GR/IR ACCOUNT CLEARING WITH POSTING DATE OF GR (MATERIAL DOCUMENT POSTING DATE)TO CHECK ACTUAL CLEARING GR/IR CONTROLLING ACCOUNT

1 Answers  

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What is the purpose of engine preheating?

1 Answers   RRB,

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On 22nd December, which of the following places has the largest day and shortest night ?

2 Answers  

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