in a centrifugal pump .. when we close the delivery valve partially .. does this increase the pressure before or after the valve .. and why ??

1 Answers  

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What is the difference between pipe and tube?

6 Answers   Bhel, NTPC,

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what is the effect of reheat on rakine cycle? 1.efficiency increases 2.workt output increses 3. both 4. none of these.

5 Answers   Jindal, TATA, Thermax,

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pls ,send me technical questions of jindal steels and power ltd

0 Answers   Jindal,

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Why dtsi is used in motor bikes?

0 Answers  

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how to caluculate APFC panel rating, my running Load is 1320KW, Present P.F 0.76 to 0.8 we need 0.98 p.f

17 Answers   Accor, AEPL, Alfa Automation, Jet Airways, Kingfisher, Servo, Spice Telecom, Usha,

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What would happen if there was water in refrigeration line?

2 Answers   RRB,

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how we can check of any kitchen exhaust fan

2 Answers  

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Which material grade is better for low temperature application upto -20 deg C either IS 2062 GR B OR IS 2062 GR C ?

0 Answers  

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What is the flow of steam in an impulse turbine?

0 Answers   ABC Inc, RRB, Siemens,

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can any1 suggest me the books for placement papers.

1 Answers   Jindal,

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How does a boat measure speed?

0 Answers  

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