Question

Write short notes on Sluice valve and Pressure-relief valve.

Answer 1

A sluice (from the Dutch "sluis") is a water channel controlled at its head by a gate. ...Sluice gates commonly control water levels and flow rates in rivers and canals. They are also used in wastewater treatment plants and to recover minerals in mining operations, and in watermills.

A relief valve or pressure relief valve is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire. ... As the fluid is diverted, the pressure inside the vessel will stop rising