The shear stress distribution in viscous fluid through a circular pipe is : maxi

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Question
The shear stress distribution in viscous fluid through a circular pipe is :
Options
A. maximum at the centre
B. maximum at the inside of surface
C. same throughout the section
D. none of these.

Correct Answer

same throughout the section

More questions

2. Biochemical oxygen demand (BOD) of waste water is a measure of
Options
A. total concentration of a biochemicals
B. total concentration of organic matter
C. concentration of biodegradable organic matter
D. concentration of chemically oxidisable matter

4. Flow at critical depth takes place in an open channel When
Options
A. for a given specific energy, discharge is maximum
B. for a given discharge, specific energy is maximum
C. discharge is minimum for a given specific energy
D. discharge is maximum for a given specific force

6. The soils most susceptible to liquefaction are :
Options
A. saturated dense sands
B. saturated fine and medium sands of uniform particle size
C. saturated clays of uniform size
D. saturated gravels and cobbles

7. A volume of 3.0 x 10⁶ m³ of ground water was pumped out from an unconfined aquifer, uniformly from an area of 5 km². The pumping lowered the water table from initial level of 102 m to 99 m. The specific yield of the aquifier is
Options
A. 0.20
B. 0.30
C. 0.40
D. 0.50

8. Which one of the following statements is correct to remote sensing?
Options
A. The basic property used to identify objects, is called signature.
B. The ratio of the reflected flux to incident flux is called reflectance which varies fron 0 to 1
C. The surface from which emergent radiance is constant in all directions is called Lambertian surface.
D. All of these.

9. For a 'best' symmetrical trapezoidal section of an open channel with a given area of section and side slopes, one of the following statements holds true :
Options
A. Half the top width is equal to one of the side slopes
B. Half the top width plus the bottom width is equal to both the side slopes put together
C. Water depth is equal to half bottom width
D. Hydraulic mean depth is equal to half the top width

10. Muskingum method for routing of flood
Options
A. is used for routing floods through reservoirs
B. is a method of routing that uses continuity the momentum equations
C. is a hydrologic method of routing floods through streams
D. is one in which only energy equation is used

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