Is there a lower limit to the gland surface finish for static O-rings, gaseous system? surface finish table lists 0.41-0.81 micro-meters for static gaseous systems. What is the drawback of using a smoother surface finish lower than 0.41?

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What is the formula for 1 HP of a two-cycle engine?

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In d thermal power plant why D/A placed on height.

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which type of electrode can be used for welding hardox 400 to St37 ? and do i apply any heat treatment ?

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Why thermal efficiency of i.c. Engines is more than that of gas turbine plant ?

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IF 125 kva diesel generator generating 13 kw energy in an hour then how much percentage of load is connected to generator and generator is running at what load efficiency

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What will happen if the centrifugal pump has no pressure?

2 Answers   RRB,

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what is the name of turbine used in turbo of diesel engines?

2 Answers   Honda,

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What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?. What importance it is having related to Boiler?. Upto what presrure natural circulation is possible in Boilers?.

0 Answers   Honda, IGCAR,

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Greetings This question is about hydraulics and I request an expert to answer it. A simple hydraulic machine is made up of two heads, a larger one with a larger force inside a wider pipe and a smaller one with a smaller force inside a smaller pipe in width as in the second picture on this link: http://science.howstuffworks.com/hydraulic1.htm The question is this: what happens if the smaller head and the smaller force doesn’t exist but the smaller pipe is high enough to take all the liquid? For example the larger head is 1.00 sqr metre and can go down 1.00m under a weight of 100.00kg. The cross sectional area of the smaller pipe is 0.001 sqr metre. Now when the larger head goes down 1.00m, how high the liquid from the wider pipe can go into the smaller pipe of the cross sectional area of 0.001 sqr metre? Regards

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a 20ph motor runnig a load with direct belts, can we use 10hp motor for the same load with the help of gear where motor rpm 900 and load rpm 250

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Advantage of hollow shaft over the solid shaft

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