Question 1 : In flowing liquids pitot tubes are used measure
1. discharge
2. velocity
3. pressure
4. depth
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Question 2 : Most economical section of a triangular channel, is
1. equilateral triangle
2. right angled triangle
3. right angled triangle with equal sides.
4. isosceles triangle with 45° vertex angle
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Question 3 : A fluid particle may possess the displacement of
1. distortion
2. translation
3. all
4. rotation
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Question 4 : Shear stress is directly proportional to
1. the shear strain
2. the velocity.
3. the velocity
4. the viscosity
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Question 5 : Pick up the correct statement from the following :
1. Vertical distance between the total energy line and total energy gradient represents loss of head
2. Total energy gradient is the graphical representation of the total head at any section of a pipe line
3. Vertical distance between the total energy line and hydraulic grade line is equal to the velocity head
4. all
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Question 6 : To avoid an interruption in the flow of a syphon, an air vessel is provided
1. at the inlet
2. at the outlet
3. at any point between intet and outlet.
4. at the summit
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Question 7 : Piezometers are used to measure
1. very low pressure.
2. atmospheric pressure
3. difference in pressure at two points
4.
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Question 8 : Atmospheric pressure is equal to water column head of
1. 9.81 m
2. 7.5 m.
3. 5.0 m
4. 10.30 m
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Question 9 : On an inclined plane, centre of pressure is located
1. above the centroid
2. anywhere.
3. below the centroid
4. at the centroid
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Question 10 : The following is not a laminar flow
1. Flow in beds in ground water
2. Flow of oil in measuring instruments
3. Rise of water in plants through roots
4. Flow in water pipe lines.
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