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Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)
[A].

Df + Bf = Wf

[B].

Df = Bf + Wf

[C].

Df + Bf + Wf =0

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float) Read More »

CHEMICAL ENGINEERING, Fluid Mechanics

The boundary layer is that part of a moving fluid, in which the fluid velocity is

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: The boundary layer is that part of a moving fluid, in which the fluid velocity is
[A].

affected by the fluid flow pressure.

[B].

constant.

[C].

affected by the presence of a solid boundary.

[D].

all (a), (b) and (c).

Answer: Option C

Explanation:

No answer description available for this question.

The boundary layer is that part of a moving fluid, in which the fluid velocity is Read More »

CHEMICAL ENGINEERING, Fluid Mechanics

Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation ?A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent.D. Fluid is compressible.E. Fluid is incompressible.

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation ?A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent.D. Fluid is compressible.E. Fluid is incompressible.
[A].

A, C, D

[B].

B, D, E

[C].

A, B, E

[D].

A, D, E

Answer: Option C

Explanation:

No answer description available for this question.

Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation ?A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent.D. Fluid is compressible.E. Fluid is incompressible. Read More »

CHEMICAL ENGINEERING, Fluid Mechanics

Bernoulli’s equation for steady, frictionless, continuous flow states that the __________ at all sections is same.

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: Bernoulli’s equation for steady, frictionless, continuous flow states that the __________ at all sections is same.
[A].

total pressure

[B].

total energy

[C].

velocity head

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Bernoulli’s equation for steady, frictionless, continuous flow states that the __________ at all sections is same. Read More »

CHEMICAL ENGINEERING, Fluid Mechanics

From the passage it is clear that it is the legislature that

Comprehension, Verbal Ability /
Question: From the passage it is clear that it is the legislature that
[A].

invests the administrative authority with enormous powers

[B].

embodies rules

[C].

has the larger interests of public welfare

[D].

leaves administrative authority enough discretion to interpret rules

Answer: Option A

Explanation:

No answer description available for this question.

From the passage it is clear that it is the legislature that Read More »

Comprehension, Verbal Ability

Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement.

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement.
[A].

f1 = f2

[B].

f1 < f2

[C].

f1 > f2

[D].

data not sufficient to relate f1 & f2

Answer: Option C

Explanation:

No answer description available for this question.

Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement. Read More »

CHEMICAL ENGINEERING, Fluid Mechanics

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)
[A].

1/μ

[B].

μ

[C].

μ2

[D].

1/μ2

Answer: Option B

Explanation:

No answer description available for this question.

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) Read More »

CHEMICAL ENGINEERING, Fluid Mechanics

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

CHEMICAL ENGINEERING, Fluid Mechanics /
Question: A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.
[A].

Newtonion

[B].

Non-Newtonion

[C].

ideal

[D].

incompressible

Answer: Option A

Explanation:

No answer description available for this question.

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid. Read More »

CHEMICAL ENGINEERING, Fluid Mechanics