Hydraulics And Fluid Mechanics In Me - Study Mode

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[#636] Dimensions of surface tension are

(A) ML°T -2

(B) ML°T

(C) MLr 2

(D) ML 2 T 2

Correct Answer

(A) ML°T -2

[#637] When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be

(A) Horizontal

(B) Nearly horizontal

(C) Steep

(D) First rise and then fall

Correct Answer

(C) Steep

[#638] When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

(A) Horizontal

(B) Nearly horizontal

(C) Steep

(D) First rise and then fall

Correct Answer

(B) Nearly horizontal

[#639] Reynold's number is the ratio of the inertia force to the

(A) Surface tension force

(B) Viscous force

(C) Gravity force

(D) Elastic force

Correct Answer

(B) Viscous force

[#640] The divergent portion of a Venturimeter is made longer than convergent portion in order to

(A) Avoid the tendency of breaking away the stream of liquid

(B) To minimize frictional losses

(C) Both (A) and (B)

(D) None of these

Correct Answer

(C) Both (A) and (B)