Hydraulics And Fluid Mechanics In Me - Study Mode

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[#116] When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

(A) Less than

(B) More than

(C) Equal to

(D) None of these

Correct Answer

(A) Less than

[#117] For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal

(A) Ratio of inertial force to force due to viscosity

(B) Ratio of inertial force to force due to gravitation

(C) Ratio of inertial force to force due to surface tension

(D) All the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity

Correct Answer

(D) All the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity

[#118] Low specific speed of a pump implies it is

(A) Centrifugal pump

(B) Mixed flow pump

(C) Axial flow pump

(D) None of the above

Correct Answer

(A) Centrifugal pump

[#119] Medium specific speed of a pump implies it is

(A) Centrifugal pump

(B) Mixed flow pump

(C) Axial flow pump

(D) Any one of the above

Correct Answer

(B) Mixed flow pump

[#120] High specific speed of a pump implies it is

(A) Centrifugal pump

(B) Mixed flow pump

(C) Axial flow pump

(D) Any one of the above

Correct Answer

(C) Axial flow pump