Back water curve is caused if
The unit of the viscosity is
The value of momentum correction factor (β) for a laminar flow through a circular pipe, is
In C.G.S. system the unit of visocity is
A spherical loadkg is rolled through 9.8 m across the deck of a ship weighingkg. If the metacentric height of the ship is 5 metres, the angle of heel, is
An orifice is an opening in a vessel with
Kinematic viscosity of liquids by equation is determined by :
The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called
In C.G.S. system the units of kinematic viscosity, is
On an inclined plane, centre of pressure is located
An error ofin measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to
Power transmitted through a pipe is maximum when friction head loss, is
Manometers are used to measure
The ratio of the percentage error in the discharge and percentage error in the measurement of head, over rectangular notch, is
Pick up the correct statement from the following :
The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point, is called
A triangular notch is preferred to a rectangular notch because
Pick up the incorrect statement from the following :
In case of laminar flow through a circular pipe,
If S is the length of the crest, H is the height of water source of a weir whose length is L and discharge is Q m3/sec, the velocity of approach Vd is
Mercury is generally used in barometers because
In flowing liquids pitot tubes are used measure
Capillary rise of water is
A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water
The dimensional formula of force is
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