Q. Froude's number is the ratio of inertia force to

View solution

Q. According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)

View solution

Q. When a liquid is flowing through a pipe, the velocity of the liquid is

View solution

Q. The pressure of fluid due to hammer blow is

View solution

Q. A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called

View solution

Q. A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

View solution

Q. One cubic metre of water weighs

View solution

Q. Surface tension force is the product of surface tension per unit length and cross-sectional area of flow.

View solution

Q. An average value of coefficient of velocity is

View solution

Q. When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

View solution

Q. An orifice is said to be large, if

View solution

Q. The flow in a pipe or channel is said to be uniform when

View solution

Q. The density of a liquid in kg/m³ is numerically equal to its specific gravity.

View solution

Q. The critical depth meter is used to measure

View solution

Q. The velocity of flow is same at all points in the cross-section of a channel.

View solution

Q. The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

View solution

Q. Select the wrong statement

View solution

Q. The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

View solution

Q. In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be

View solution

Q. A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is

View solution