For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary

Byadmin August 13, 2022

Question: For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary
[A].

directly as square of gas density.

[B].

directly as gas density.

[C].

directly as square root of gas density.

[D].

inversely as gas density.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Buoyancy force depends on the __________ the liquid.

Question: Buoyancy force depends on the __________ the liquid.
[A].

depth of immersion in
[B].
displaced mass of
[C].
surface tension of
[D].
viscosity of

Answer: Option B

Explanation:

No answer description available for this question.

Read More Buoyancy force depends on the __________ the liquid.
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ test is the appropriate test to determine whether a material is ductile or brittle.

Question: __________ test is the appropriate test to determine whether a material is ductile or brittle.
[A].

Impact
[B].
Cupping
[C].
Hardness
[D].
Tensile

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ test is the appropriate test to determine whether a material is ductile or brittle.
Fluid Mechanics

Equation of continuity is based on the principle of conservation of_________________?

Equation of continuity is based on the principle of conservation of_________________?

A. mass
B. energy
C. momentum
D. none of the above

Read More Equation of continuity is based on the principle of conservation of_________________?
CHEMICAL ENGINEERING | Materials and Construction

In the kraft (sulphate) process for the paper manufacture, the digestor is made of

Question: In the kraft (sulphate) process for the paper manufacture, the digestor is made of
[A].

cast iron
[B].
stainless steel
[C].
karbate carbon
[D].
wrought iron

Answer: Option B

Explanation:

No answer description available for this question.

Read More In the kraft (sulphate) process for the paper manufacture, the digestor is made of
CHEMICAL ENGINEERING | Chemical Engineering Basics

On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.

Question: On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.
[A].

1
[B].
2.5
[C].
3.5
[D].
5

Answer: Option B

Explanation:

No answer description available for this question.

Read More On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.
CHEMICAL ENGINEERING | Mass Transfer

Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

Question: Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are
[A].

1
[B].
8
[C].
9
[D].
10

Answer: Option C

Explanation:

No answer description available for this question.

Read More Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

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