Hydraulic and Fluid Mechanics

191. Kinematic viscosity is dependent upon

1. Pressure
2. Distance
3. Density
4. Flow

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192. Kinematic viscosity is equal to

1. Dynamic viscosity/density
2. Dynamic viscosity × density
3. Density/dynamic viscosity
4. 1/dynamic viscosity × density

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193. Liquids transmit pressure equally in all the directions. This is according to

1. Boyle's law
2. Archimedes principle
3. Pascal's law
4. Newton's formula

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195. Working principle of dead weight pressure gauge tester is based on

1. Pascal's law
2. Dalton's law of partial pressure
3. Newton's law of viscosity
4. Avogadro's hypothesis

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195. Manometer is used to measure

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

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196. Mercury does not wet glass. This is due to property of liquid known as

1. Adhesion
2. Cohesion
3. Surface tension
4. Viscosity

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197. Mercury is often used in barometer because

1. It is the best liquid
2. The height of barometer will be less
3. Its vapour pressure is so low that it may be neglected
4. Both (B) and (C)

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198. Metacentre is the point of intersection of

1. Vertical upward force through e.g. of body and center line of body
2. Buoyant force and the center line of body
3. Midpoint between e.g. and center of buoyancy
4. All of the above

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199. Metacentric height is given as the distance between

1. The center of gravity of the body and the metacentre
2. The center of gravity of the body and the center of buoyancy
3. The center of gravity of the body and the center of pressure
4. Center of buoyancy and metacentre

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200. Metacentric height is the distance between the metacentre and

1. Water surface
2. Center of pressure
3. Center of gravity
4. Center of buoyancy

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