The units of dynamic or absolute viscosity are__________________?

Question: An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonion fluid beyond yield stress. Which of the following is an ideal plastic ?
[A].

Sewage sludge

[B].

Rubber latex

[C].

Blood

[D].

Sugar solution

Answer: Option A

Explanation:

No answer description available for this question.

Question: One horsepower is equal to
[A].

550 lbf.ft/second

[B].

550 kgf.m/second

[C].

both (a) and (b)

[D].

550 lbf.ft./hr

Answer: Option A

Explanation:

No answer description available for this question.

Question: In power law, , then the fluid is
[A].

Newtonian

[B].

dilatant

[C].

thixotropic

[D].

rheopectic

Answer: Option A

Explanation:

No answer description available for this question.

Question: In frictional fluid flow, the quantity, , is
[A].

constant along a streamline.

[B].

not constant along a streamline.

[C].

increased in the direction of flow.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: A relief valve
[A].

provides back pressure for a cylinder.

[B].

unloads a pump.

[C].

is a directional control valve.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.