Hydraulic and Fluid Mechanics

201. Newton's law of viscosity is a relationship between

1. Pressure, velocity and temperature
2. Shear stress and rate of shear strain
3. Shear stress and velocity
4. Rate of shear strain and temperature

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202. Non uniform flow occurs when

1. The direction and magnitude of the velocity at all points are identical
2. The velocity of successive fluid particles, at any point, is the same at successive periods of time
3. Velocity, depth, pressure, etc. change from point to point in the fluid flow.
4. The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

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203. Normal depth in open channel flow is the depth of flow corresponding to

1. Steady flow
2. Unsteady flow
3. Laminar flow
4. Uniform flow

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204. One cubic metre of water weighs

1. 100 litres
2. 250 litres
3. 500 litres
4. 1000 litres

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205. One litre of water occupies a volume of

1. 100 cm³
2. 250 cm³
3. 500 cm³
4. 1000 cm³

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206. One poise is equal to

1. 0.1 N-s/m²
2. 1 N-s/m²
3. 10 N-s/m²
4. 100 N-s/m²

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207. One stoke is equal to

1. 10^-2 m²/s
2. 10^-3 m²/s
3. 10^-4 m²/s
4. 10^-6 m²/s

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208. Operation of McLeod gauge used for low pressure measurement is based on the principle of

1. Gas law
2. Boyle's law
3. Charles law
4. Pascal's law

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209. Piezometer is used to measure

1. Pressure in pipe, channels etc.
2. Atmospheric pressure
3. Very low pressures
4. Difference of pressure between two points

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210. Pitot tube is used for measurement of

1. Pressure
2. Flow
3. Velocity
4. Discharge

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