i want to know the difference between proportional hydraulic valve & servo hydraulic valve

0 Answers  

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What is thrust bearing?

1 Answers   ABC Inc, RRB, Siemens,

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how is Eccentricity reduced?

1 Answers  

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I'm a Mechanical Engineer (2007 passed out) 77% distinction degree holder from anna university chennai, tamilnadu. presently working in a software company, i'm interested in getting my job with Indian Railways. Can any one help me in how to know the vaccancies and applying for RRB.

0 Answers   Indian Railways, SK,

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what is NPSH ?

5 Answers  

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Why an increase in area is required to produce an increase of velocity in case of supersonic flow ?

0 Answers  

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Explain the cycle of refrigeration system.

0 Answers   RRB,

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Inspection for intermediate shaft bearing.

1 Answers   RRB,

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What causes turbocharger surging?

0 Answers   RRB,

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I am using 500 KVA DG set but I am facing one problem that frequently radiator getting leak what will be the reason?????

0 Answers  

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What is the date of first titan launch from cape canaveral?

0 Answers  

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Where is the maximum temperature in refrigeration cycle? a.Between evaporator & compressor. b.At Compressor c.Between compressor and condensor. d.At condensor

12 Answers   HAL,

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