The unit of dynamic viscosity of a fluid is m2/s Ns/m2 Pa s/m2 kg s2/m2

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Question
The unit of dynamic viscosity of a fluid is
Options
A. m²/s
B. Ns/m²
C. Pa s/m²
D. kg s²/m²

Correct Answer

Ns/m²

GATE Exam Questions problems

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1. The time for a clay layer to achieve 90% consolidation is 15 years. The time required to achieve 90% consolidation; if the layer were twice as thick, 3 times forr permeable and 4 times more compressible would be :
Options
A. 70 years
B. 75 years
C. 80 years
D. 85 years

2. The ratio of unconfined compressive strength of an undisturbed sample of soil to that of a remoulded sample, at the same water content, is known as :
Options
A. activity
B. damping
C. plasticity
D. sensitivity

3. A linear relationship is observed between speed and density on a certain section of a highway. The free flow speed is observed to be 80 km per hour and the jam density is estimated as 100 vehicles per km length. Based on the above relationship, the maximum flow expected on this section and the speed at the maximum flow will respectively be
Options
A. 8000 vehicles per hour and 80 km per hour
B. 8000 vehicles per hour and 25 km per hour
C. 2000 vehicles per hour and 80 km per hour
D. 2000 vehicles per hour and 40 km per hour

4. For the determination of earth pressure, Coulomb's wedge theory assumes that:
Options
A. the back of wall is smooth and vertical
B. the soil is non-homogeneous and anisotropic
C. the slip surface is circular
D. the wall surface is rough

6. A point load of 700 kN is applied on the surface of thick layer of clay. Using Boussinesq's elastic analysis, the estimated vertical stress (?_v) at a depth of 2 m and a radial distance of 1.0 m from the point of application of the load, is :
Options
A. 47.5 kPa
B. 47.6 kPa
C. 47.7 kPa
D. 47.8 kPa

9. A simply supported beam with an overhang is traversed by a unit concentrated moment from the left to the right as shown below

The influence line for reaction at B is given by
Options
A.
B.
C.
D. zero everywhere.

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