CHEMICAL ENGINEERING | Chemical Engineering Basics

Factor of safety is the ratio of the __________ stress to the working stress.

Byadmin August 2, 2022

Question: Factor of safety is the ratio of the __________ stress to the working stress.
[A].

tensile

[B].

compressive

[C].

yield

[D].

bearing

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

A stream line is

Question: A stream line is
[A].

fixed in space in steady flow.
[B].
always the path of particle.
[C].
drawn normal to the velocity vector at every point.
[D].
a line connecting the mid points of flow cross-section.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A stream line is
CHEMICAL ENGINEERING | Chemical Reaction Engineering

An irreversible aqueous phase reaction, A + B P, is carried out in an adiabatic mixed flow reactor. A feed containing 4kmole/m3 of each A and B enters the reactor at 8m3 /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?Data: Heat of reaction = – 50 kJ/moleDensity of the reacting mixture = 1000kg/m3Specific heat of reacting mixture = 2kJ/kg.K The above data can be assumed to be independent of temperature and composition.

Question: An irreversible aqueous phase reaction, A + B P, is carried out in an adiabatic mixed flow reactor. A feed containing 4kmole/m3 of each A and B enters the reactor at 8m3 /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?Data: Heat of reaction = – 50 kJ/moleDensity of the reacting mixture = 1000kg/m3Specific heat of reacting mixture = 2kJ/kg.K The above data can be assumed to be independent of temperature and composition.
[A].

190
[B].
290
[C].
390
[D].
490

Answer: Option B

Explanation:

No answer description available for this question.

Read More An irreversible aqueous phase reaction, A + B P, is carried out in an adiabatic mixed flow reactor. A feed containing 4kmole/m3 of each A and B enters the reactor at 8m3 /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?Data: Heat of reaction = – 50 kJ/moleDensity of the reacting mixture = 1000kg/m3Specific heat of reacting mixture = 2kJ/kg.K The above data can be assumed to be independent of temperature and composition.
CHEMICAL ENGINEERING | Fertiliser Technology

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

Question: Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
[A].

increased biuret formation
[B].
high corrosion rate
[C].
increased cost of equipment
[D].
all (a), (b) & (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
Chemical Engineering Basics

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity_________________?

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity_________________?

A. Is trebled
B. Remains unchanged
C. Decreases by a factor of 3
D. Decreases by a factor of 1/3

Read More If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity_________________?
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Work done may be calculated by the expression for __________ processes.

Question: Work done may be calculated by the expression for __________ processes.
[A].

non-flow reversible
[B].
adiabatic
[C].
both (a) and (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More Work done may be calculated by the expression for __________ processes.
CHEMICAL ENGINEERING | Chemical Process

Hydrocynic acid (HCN) is used as an insecticide for

Question: Hydrocynic acid (HCN) is used as an insecticide for
[A].

controlling timber degradation by ants
[B].
controlling poultry lice
[C].
potato beetle
[D].
citrus fruits

Answer: Option D

Explanation:

No answer description available for this question.

Read More Hydrocynic acid (HCN) is used as an insecticide for

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