An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.
1 %
1.5 %
2 %
2.5 %
Correct Answer :
D. 2.5 %
Related Questions
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Adhesion
Cohesion
Surface tension
Viscosity
A flow is called super-sonic if the
Velocity of flow is very high
Discharge is difficult to measure
Mach number is between 1 and 6
None of these
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Increases
Decreases
Depends upon mass of liquid
The buoyancy depends upon the
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Pressure with which the liquid is displaced
Viscosity of the liquid
Compressibility of the liquid
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Sum
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Arithmetic mean
Geometric mean
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Designing models so that the result can be converted to prototypes
Comparing similarity between design and actual equipment
Hydraulic designs
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Surface tension
Viscosity
Friction
Cohesion
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At same point
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The metal piece will simply float over the mercury
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To minimise frictional losses
Both (A) and (B)
None of these
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Orifice
Notch
Weir
Dam
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Bottom surface of the body
C.G. of the body
Metacentre
All points on the surface of the body
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Real
Ideal
Newtonian
Non-Newtonian
The flow in a pipe or channel is said to be non-uniform when
The liquid particles at all sections have the same velocities
The liquid particles at different sections have different velocities
The quantity of liquid flowing per second is constant
Each liquid particle has a definite path
The centre of gravity of the volume of the liquid displaced is called
Centre of pressure
Centre of buoyancy
Metacentre
None of these
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Inertial force and gravity
Viscous force and inertial force
Viscous force and buoyancy force
Pressure force and inertial force
The flow in which each liquid particle has a definite path and their paths do not cross each other is called
One dimensional flow
Streamline flow
Steady flow
Turbulent flow
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will
Increase
Decrease
Remain same
Increase/decrease depending on depth of immersion
Bernoulli's equation is applied to
Venturimeter
Orifice meter
Pitot tube
All of these
Select the wrong statement
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The length of an equivalent pipe is equal to that of a compound pipe
The discharge through an equivalent pipe is equal to that of a compound pipe
The diameter of an equivalent pipe is equal to that of a compound pipe
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Buoyancy, gravity
Buoyancy, pressure
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Venturimeter
Orifice plate
Pitot tube
Rotameter
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Same as
Less than
More than
None of these
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Stable equilibrium
Unstable equilibrium
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Sub-sonic velocity
Super-sonic velocity
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Equal
Directly proportional
Inversely proportional
None of these
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Critical flow
Turbulent flow
Tranquil flow
Torrential flow
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The material which exists above the free surface of the liquid
Both of die above
Any one of the above
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It is easier to see through the glass tube
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It is not possible to conduct this experiment with any other tube
All of the above
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The metacentre should lie above the center of gravity
The center of buoyancy and the center of gravity must lie on the same vertical line
A righting couple should be formed
All the above are correct