Fluid Mechanics - Practice Test

[#201] Unit of mass velocity is

(A) Kg/hr

(B) Kg/m 2 .hr

(C) Kg/m 2

(D) Kg/m 3 .hr

Correct Answer

(B) Kg/m 2 .hr

[#202] Scale up of agitator design requires

(A) Geometrical similarity only

(B) Dynamic similarity only

(C) Both geometrical and dynamic similarity

(D) All of the above

Correct Answer

(D) All of the above

[#203] A centrifugal pump is called a turbine pump, if it is having a

(A) Turbine type impeller

(B) Vaned diffusion casing

(C) Rotating vaned volute

(D) None of these

Correct Answer

(B) Vaned diffusion casing

[#204] The head loss in turbulent flow in a pipe varies

(A) As velocity

(B) As (velocity) 2

(C) Inversely as the square of diameter

(D) Inversely as the velocity

(E) Directly as the velocity

(F) Inversely as the square of the velocity

(G) Approximately as the square of the velocity

(H) Inversely as the square of the diameter

Correct Answer

(B) As (velocity) 2
(G) Approximately as the square of the velocity

[#205] f = 16/N Re , is valid for

(A) Turbulent flow

(B) Laminar flow through an open channel

(C) Steady flow

(D) None of these

Correct Answer

(D) None of these

Fluid Mechanics - Study Mode

[#201] Unit of mass velocity is

Correct Answer

[#202] Scale up of agitator design requires

Correct Answer

[#203] A centrifugal pump is called a turbine pump, if it is having a

Correct Answer

[#204] The head loss in turbulent flow in a pipe varies

Correct Answer

[#205] f = 16/N Re , is valid for

Correct Answer