Hydraulics

31) Mouthpieces are used to measure

Discuss in Comment

rate of flow

32) Rotameter is used for measuring

Discuss in Comment

discharge of fluids

33) The velocity of flow, cross-ponding to critical depth is known as

Discuss in Comment

critical velocity

34) A trapezoidal channel will be most efficient if

Discuss in Comment

three sides of trapezoidal section are tangential to the semi-circle described on the water line

35) The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

Discuss in Comment

98.1

36) The hydrostatic law states that rate of increase of pressure in a vertical direction

Discuss in Comment

is equal to specific weight of the fluid

37) Atmospheric pressure head in terms of water column is

Discuss in Comment

10.30 m

38) The inlet length of a venturimeter

Discuss in Comment

is less than the outlet length

39) The necessary condition for the flow to be uniform is that

Discuss in Comment

the velocity is constant in the flow field with respect to space

40) The flow in the pipe is laminar if

Discuss in Comment

None of the above

Subject Notes

Objective Box

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