234) An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

235) The velocity of the liquid flowing through the divergent portion of a venturimeter

236) In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.

237) Bernoulli's equation is applied to

238) A fluid having no viscosity is known as