What diameter orifice hole, d, is needed if under ideal conditions the flowrate through the orifice meter of Fig. P3.118 is to be 30 gal/min of seawater with p 1 = p 2 = 2.37 lb/in. 2 ? The...

What diameter orifice hole, d, is needed if under ideal conditions the flowrate through the orifice meter of Fig. P3.118 is to be 30 gal/min of seawater with p₁
= p₂
= 2.37 lb/in.²? The contraction coefficient is assumed to be 0.63.