Capillary action is due to the

Related MCQs

• A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
• When a container containing a liquid is rotated, then due to centrifugal action, then which of these energies are changed?
• The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach)
• The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)
• The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is
• 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)
• The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)
• The swirl caused due to eddies are called as ______
• Minor losses occur due to
• Which among the following force is developed due to resistance of a fluid flow?