Fluid Mechanics - Practice Test

[#166] Quicksand is an example of a __________ fluid.

(A) Bingham plastic

(B) Dilatent

(C) Newtonion

(D) Pseudoplastic

Correct Answer

(B) Dilatent

[#167] Drag is the force component exerted on an immersed object,

(A) Passing the centroid of the body at 60°to the direction of motion

(B) The component being parallel to theflow direction

(C) The component being normal to the flow direction

(D) None of these

Correct Answer

(B) The component being parallel to theflow direction

[#168] In case of a pipe exit fitted with a nozzle, the

(A) Conversion of kinetic head to pressure head is facilitated

(B) Conversion of pressure head to kinetic head is facilitated

(C) Power transmitted through the nozzle is maximum, when the head lost due to friction in the pipe is equal to one third of the total supply head

(D) Both B and C

Correct Answer

(D) Both B and C

[#169] Reynolds number is the ratio of

(A) Viscous forces to gravity forces

(B) Inertial forces to viscous forces

(C) Viscous forces to inertial forces

(D) Inertial forces to gravity forces

Correct Answer

(B) Inertial forces to viscous forces

[#170] The valve used for very remote and accurate control of fluid is a __________ valve.

(A) Needle

(B) Globe

(C) Gate

(D) Butterfly

Correct Answer

(A) Needle

Fluid Mechanics - Study Mode

[#166] Quicksand is an example of a __________ fluid.

Correct Answer

[#167] Drag is the force component exerted on an immersed object,

Correct Answer

[#168] In case of a pipe exit fitted with a nozzle, the

Correct Answer

[#169] Reynolds number is the ratio of

Correct Answer

[#170] The valve used for very remote and accurate control of fluid is a __________ valve.

Correct Answer