http://www.roliv.com Jobs Salary Internship Colleges Careers Syllabus Notes Wed, 24 Mar 2010 17:09:31 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://www.roliv.com/effect-of-delivery-pipe-diameter-of-a-centrifugal-pump-delivery-time-flow-height-used-for-water.html http://www.roliv.com/effect-of-delivery-pipe-diameter-of-a-centrifugal-pump-delivery-time-flow-height-used-for-water.html#comments Fri, 29 Jan 2010 04:53:14 +0000 admin http://www.roliv.com/effect-of-delivery-pipe-diameter-of-a-centrifugal-pump-delivery-time-flow-height-used-for-water.html We have two series connected 2.2 kw (3HP) centrifugal pumps used for domestic water supply from ground floor to over head tank at 25 m high. Delivery line has 100 mm dia. reduced to 40 mm dia. GI pipe If we change the 40 mm dia. GI pipe to 75 mm dia. GI or PVC pipe, will there be any saving on pumping time?

]]> http://www.roliv.com/effect-of-delivery-pipe-diameter-of-a-centrifugal-pump-delivery-time-flow-height-used-for-water.html/feed 2 http://www.roliv.com/how-calculated-lmtd-for-double-pipe-heat-exchangerand-what-is-hot-fluid-and-cold-fluid.html http://www.roliv.com/how-calculated-lmtd-for-double-pipe-heat-exchangerand-what-is-hot-fluid-and-cold-fluid.html#comments Thu, 07 Jan 2010 12:52:16 +0000 admin http://www.roliv.com/how-calculated-lmtd-for-double-pipe-heat-exchangerand-what-is-hot-fluid-and-cold-fluid.html Is it hot fluid steam and cold fluid feed enter heat exchanger?

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