For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is

Byadmin August 13, 2022

Question: For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is
[A].

[B].

less

[C].

equal

[D].

more or less, depending on the type of particle

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING

An ideal material for making cooking vessels should have___________________?

An ideal material for making cooking vessels should have___________________?

A. High heat capacity
B. Low heat capacity
C. High thermal conductivity
D. Both B. and C.

Read More An ideal material for making cooking vessels should have___________________?
CHEMICAL ENGINEERING | Thermodynamics for Chemical

Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?

Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?

A. Increase
B. Decrease
C. Remain unchanged
D. First fall and then rise

Read More Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?
CHEMICAL ENGINEERING | Chemical Process

Absorption of SO3 in 97% H2SO4 is

Question: Absorption of SO3 in 97% H2SO4 is
[A].

exothermic
[B].
endothermic
[C].
not possible
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Absorption of SO3 in 97% H2SO4 is
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.

Question: For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.
[A].

decreases
[B].
increases
[C].
remains same
[D].
decreases linearly

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For the reversible reaction A 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?

Question: For the reversible reaction A 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?
[A].

0.253
[B].
0.338
[C].
0.152
[D].
0.637

Answer: Option B

Explanation:

No answer description available for this question.

Read More For the reversible reaction A 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?
CHEMICAL ENGINEERING | Fuels and Combustion

Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.

Question: Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.
[A].

15-30
[B].
1-2
[C].
70-100
[D].
150-200

Answer: Option A

Explanation:

No answer description available for this question.

Read More Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.

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