Chemical Engineering GATE Exam » Water

Effect Of Delivery Pipe Diameter Of A Centrifugal Pump Delivery Time, Flow, Height Used For Water?

admin — Fri, 29 Jan 2010 04:53:14 +0000

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?

How Can I Convert My I/o Boat From Raw Water Cooling To A Heat Exchanger So I Can Use It In Salt Water?

admin — Sun, 10 Jan 2010 12:54:18 +0000

It’s a Marthon 27′ cabin cruiser with a Chevy/OMC 350 stern drive. I would like to convert it and was wondering what the cheapest and best way to do this is. I want to take it in salt water for extended periods and I don’t want to ruin the motor. I’ve been researching heat exchangers but it’s kind of confusing. Any advise appreciated, thanks.

Is Solar Thermal Heating Using A Water To Air Heat Exchanger Really Efficient?

admin — Mon, 21 Dec 2009 12:54:07 +0000

I’m considering doing a solar water heater and getting a large storage tank to let me partially heat the house by doing a heat exchanger from the tank for our furnace. Is it worth trying?