In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is

• A. <img src="/_files/images/civil-engineering/waste-water-engineering/192-9.188-1.png">
• B. <img src="/_files/images/civil-engineering/waste-water-engineering/192-9.188-2.png">
• C. <img src="/_files/images/civil-engineering/waste-water-engineering/192-9.188-3.png">
• D. <img src="/_files/images/civil-engineering/waste-water-engineering/192-9.188-4.png">