You must size an orifice meter to measure the flow rate of gasoline (SG ¼ 0:72) in a 10 in. ID pipeline at 608F. The maximum flow rate expected is 1000 gpm, and the maximum pressure differential...

You must size an orifice meter to measure the flow rate of gasoline (SG ¼ 0:72) in a 10 in. ID pipeline at 608F. The maximum flow rate expected is 1000 gpm, and the maximum pressure differential across the orifice is to be 10 in. of water. What size orifice should you use?