CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ the exhaust gas is an indication of the incomplete combustion of fuel.

Byadmin August 8, 2022

Question: __________ the exhaust gas is an indication of the incomplete combustion of fuel.
[A].

Low temperature of

[B].

High temperature of

[C].

High % of CO in

[D].

High % of CO2 in

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficientCc = co-efficient of contractionCv = co-efficient of velocity)

Question: Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficientCc = co-efficient of contractionCv = co-efficient of velocity)
[A].

Cd = Cc/Cv
[B].
Cd = Cc.Cv
[C].
Cd = Cv/cc
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficientCc = co-efficient of contractionCv = co-efficient of velocity)
CHEMICAL ENGINEERING | Heat Transfer

For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then

Question: For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then
[A].

hf = hd
[B].
hf > hd
[C].
hf < hd
[D].
hf could be greater or smaller than hd

Answer: Option C

Explanation:

No answer description available for this question.

Read More For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then
CHEMICAL ENGINEERING | Heat Transfer

Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid

Question: Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid
[A].

for fluids in laminar flow.
[B].
for fluids in tubulent flow.
[C].
when Grashhoff number is very important.
[D].
for liquid metals.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For organic compounds, group contribution method can be used for the estimation of

Question: For organic compounds, group contribution method can be used for the estimation of
[A].

critical properties.
[B].
specific gravity.
[C].
specific volume.
[D].
thermal conductivity.

Answer: Option A

Explanation:

No answer description available for this question.

Read More For organic compounds, group contribution method can be used for the estimation of
CHEMICAL ENGINEERING | Fuels and Combustion

A coal having high amount of volatile matter

Question: A coal having high amount of volatile matter
[A].

would require smaller combustion chamber.
[B].
produces very little of tar and gas on carbonisation.
[C].
ignites easily and burns with long smoky flame.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More A coal having high amount of volatile matter
Chemical Engineering Basics

Vernier calipers cannot be used to measure the______________________?

Vernier calipers cannot be used to measure the______________________?

A. I.D. & O.D. of the shaft
B. Thickness of parts
C. Depth of holes
D. Clearance between two mating surfaces

Read More Vernier calipers cannot be used to measure the______________________?

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