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What is the correct answer?

4

Kinematic viscosity is dependent upon

A. Pressure

B. Distance

C. Density

D. Flow

Correct Answer :

C. Density


Related Questions

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4

The flow in which conditions do not change with time at any point, is known as

A. One dimensional flow

B. Uniform flow

C. Steady flow

D. Turbulent flow

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4

A pitot tube is used to measure the

A. Velocity of flow at the required point in a pipe

B. Pressure difference between two points in a pipe

C. Total pressure of liquid flowing in a pipe

D. Discharge through a pipe

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4

When the Venturimeter is inclined, then for a given flow it will show __________ reading.

A. Same

B. More

C. Less

D. None of these

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4

Dynamic viscosity of most of the gases with rise in temperature

A. Increases

B. Decreases

C. Remain unaffected

D. Unpredictable

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4

For hypersonic flow, the Mach number is

A. Unity

B. Greater than unity

C. Greater than 2

D. Greater than 4

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4

The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

A. 500 kg

B. 1000 kg

C. 1500 kg

D. 2000 kg

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4

Practical fluids

A. Are viscous

B. Possess surface tension

C. Are compressible

D. Possess all the above properties

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4

The Francis formula for the discharge over Cipoletti weir is

A. 1.84 LH1/2

B. 1.84 LH

C. 1.84 LH3/2

D. 1.84 LH5/2

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4

Metacentre is the point of intersection of

A. Vertical upward force through e.g. of body and center line of body

B. Buoyant force and the center line of body

C. Midpoint between e.g. and center of buoyancy

D. All of the above

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4

The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

A. The bodies A and B have equal stability

B. The body A is more stable than body B

C. The body B is more stable than body A

D. The bodies A and B are unstable

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4

In a static fluid

A. Resistance to shear stress is small

B. Fluid pressure is zero

C. Linear deformation is small

D. Only normal stresses can exist

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4

The most efficient section of a channel is

A. Triangular

B. Rectangular

C. Square

D. Trapezoidal

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4

A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be

A. 2A × √H₁/Cd × a × √(2g)

B. 2A × √H₂/Cd × a × √(2g)

C. 2A × (√H₁ - √H₂)/Cd × a × √(2g)

D. 2A × (√H3/2 - √H3/2)/Cd × a × √(2g)

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4

The maximum efficiency of transmission through a pipe is

A. 50 %

B. 56.7 %

C. 66.67 %

D. 76.66 %

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4

An air vessel is provided at the summit in a siphon to

A. Avoid interruption in the flow

B. Increase discharge

C. Increase velocity

D. Maintain pressure difference

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4

The discharge over a rectangular notch is

A. Inversely proportional to H3/2

B. Directly proportional to H3/2

C. Inversely proportional to H5/2

D. Directly proportional to H5/2

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4

A fluid in equilibrium can't sustain

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Bending stress

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4

A streamline is defined as the line

A. Parallel to central axis flow

B. Parallel to outer surface of pipe

C. Of equal velocity in a flow

D. Along which the pressure drop is uniform

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4

The absolute pressure is equal to

A. Gauge pressure + atmospheric pressure

B. Gauge pressure - atmospheric pressure

C. Atmospheric pressure - gauge pressure

D. Gauge pressure - vacuum pressure

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4

The pressure of the liquid flowing through the divergent portion of a Venturimeter

A. Remains constant

B. Increases

C. Decreases

D. Depends upon mass of liquid

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4

The viscosity of water is __________ than that of mercury.

A. Higher

B. Lower

C. Same as

D. None of these

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4

Density of water is maximum at

A. 0° C

B. 0° K

C. 4° C

D. 100° C

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4

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

A. The area is horizontal

B. The area is vertical

C. The area is inclined

D. All of the above

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4

The total head of a liquid particle in motion is equal to

A. Pressure head + kinetic head + potential head

B. Pressure head - (kinetic head + potential head)

C. Potential head - (pressure head + kinetic head)

D. Kinetic head - (pressure head + potential head)

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4

A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is

A. 4.5 kN/m3

B. 6 kN/m3

C. 7.5 kN/m3

D. 10 kN/m3

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4

When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

A. Varies as the square of the radial distance

B. Increases linearly as its radial distance

C. Increases as the square of the radial distance

D. Decreases as the square of the radial distance

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4

The Reynold's number of a ship is __________ to its velocity and length.

A. Directly proportional

B. Inversely proportional

C. Square root of velocity

D. None of these

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4

Gradually varied flow is

A. Steady uniform

B. Non-steady non-uniform

C. Non-steady uniform

D. Steady non-uniform

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4

Ratio of inertia force to surface Jension is known as

A. Mach number

B. Froude number

C. Reynoldss number

D. Weber's number

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4

The velocity of the liquid flowing through the divergent portion of a Venturimeter

A. Remains constant

B. Increases

C. Decreases

D. Depends upon mass of liquid