The Greater Chennai Corporation has installed additional pumps at the Nungambakkam subway as part of monsoon preparation. | Photo Credit: B. VELANKANNI RAJ

The Greater Chennai Corporation has completed work on flood preparedness in all subways. Sixteen subway wells have been desilted a

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Lead up to 50 times the acceptable limit, cadmium up to seven times — an analysis of groundwater near Bhalswa landfill by The Indian Express has thrown up findings that raise concerns for those living there.

The Indian Express collected three groundwater samples from Shraddhanand Colon

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  Michelle Healy of Elk Grove Village fills up water bottles Friday at Schiller Woods near Irving Park Road and Cumberland Avenue. For decades, the well has drawn lines of devotees daily. Brian Hill | Staff Photographer

  For decades, a Schiller Woods we

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Updated At: Jan 21, 2022 12:30 PM (IST)

How is the net positive suction head required (NPSHr) determined for vertical pumps?

For rotodynamic pumps, it is customary to determine the NPSHr as the NPSHa where a 3% reduction in head occurs. It is then known as the NPSH3.

The NPSHr could be determined and stated by the manufa

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Polyphenylene Sulfide market research study provides a basic summary of the industry such as definitions, applications, classifications, and industry chain structure. The Global Polyphenylene Sulfide market analysis is offered for the global markets such as

Hydraulic Gear And Piston Pump Market Size

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Major players in the artificial lift system market are Halliburton Company LLC, Schlumberger Limited, Baker Hughes, Weatherford International Ltd, Borets International, Dover Corporation, JJ Tech, NOV Inc, Novomet, General Electric, Flotek Industries, AccessESP, ChampionX, John Crane Group, BC