During the opening of a valve in a pipe line, the flow is

Related MCQs

• According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)
• To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than
• A flow through a long pipe at decreasing rate is called __________ uniform flow.
• 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
• 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.
• The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the
• The total energy line lies over the centre line of the pipe by an amount equal to
• The hydraulic gradient line is always parallel to the centre line of the pipe.
• The hydraulic gradient line may be above or below the centre line of the pipe.
• A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if