Hydraulics And Fluid Mechanics In Me - Study Mode

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[#196] The stress-strain relation of the Newtonian fluid is

(A) Linear

(B) Parabolic

(C) Hyperbolic

(D) Inverse type

Correct Answer

(A) Linear

[#197] For pipes, laminar flow occurs when Reynolds number is

(A) Less than 2000

(B) Between 2000 and 4000

(C) More than 4000

(D) Less than 4000

Correct Answer

(A) Less than 2000

[#198] For pipes, turbulent flow occurs when Reynolds number is

(A) Less than 2000

(B) Between 2000 and 4000

(C) More than 4000

(D) Less than 4000

Correct Answer

(C) More than 4000

[#199] The velocity corresponding to Reynold number of 2800, is called

(A) Sub-sonic velocity

(B) Super-sonic velocity

(C) Lower critical velocity

(D) Higher critical velocity

Correct Answer

(D) Higher critical velocity

[#200] A flow through a long pipe at constant rate is called

(A) Steady uniform flow

(B) Steady non-uniform flow

(C) Unsteady uniform flow

(D) Unsteady non-uniform flow

Correct Answer

(A) Steady uniform flow