In a sand casting process, a sprue of height 200 mm and 10 mm base diameter leads to a runner which fills a cubical mould cavity of 200 mm side. Time required to fill the cavity will be: [discharge coefficient = 1, g = 10 m/s2]

• A. 560/11 sec
• B. 460/11 sec
• C. 360/11 sec
• D. 260/11 sec