Steady flow occurs, when the

Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.

A

$$\frac{\partial }{{\partial {\text{s}}}} = 0$$

B

$$\frac{\partial }{{\partial {\text{t}}}} = 0$$

C

$$\frac{\partial }{{\partial {\text{s}}}} = {\text{constant}}$$

D

$$\frac{\partial }{{\partial {\text{t}}}} = {\text{constant}}$$

Steady flow occurs when

A

the direction and magnitude of the velocity at all points are identical

B

the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

C

the magnitude and direction of the velocity do not change from point to point in the fluid

D

the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.

A

Parabolic

B

Hyperbolic

C

Linear

D

Logarithmic

If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.

A

Hyperbolic

B

Parabolic

C

Linear

D

Logarithmic

In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

A

Low

B

Very low

C

High

D

Very high

Steady non-uniform flow is exemplified by flow through a/an

A

Long pipe at constant rate

B

Long pipe at decreasing rate

C

Expanding tube at increasing rate

D

Expanding tube at constant rate

Steady uniform flow is represented by flow through a/an

A

Long pipe at constant rate

B

Long pipe at decreasing rate

C

Expanding tube at constant rate

D

None of these

Steady state equimolal counter diffusion occurs in case of

A

Leaching

B

Absorption

C

Binary phase distillation

D

Liquid-liquid extraction

Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition.

A

$$\frac{\partial }{{\partial {\text{t}}}} = 0$$

B

$$\frac{\partial }{{\partial {\text{t}}}} = {\text{constant}}$$

C

$$\frac{\partial }{{\partial {\text{s}}}} = 0$$

D

$$\frac{\partial }{{\partial {\text{s}}}} = {\text{constant}}$$

Bonds can provide "a steady flow of income" to help "of living expenses ", which makes them especially suitable "for retired people".

A

a steady flow

B

of income

C

of living expenses ,

D

for retired people

Steady flow occurs, when the

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