CHEMICAL ENGINEERING | Chemical Engineering Basics

‘End cooler’ or ‘after cooler’ is employed in air compressor mainly to

Byadmin July 30, 2022

Question: ‘End cooler’ or ‘after cooler’ is employed in air compressor mainly to
[A].

remove oil vapour or moisture from air.

[B].

cool the dry air before use.

[C].

reduce the volumetric capacity of receiver.

[D].

none of these.

Answer: Option A

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

In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.

Question: In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.
[A].

geometric
[B].
arithmetic
[C].
logarithmic
[D].
either (a), (b) or (c)

Answer: Option C

Explanation:

No answer description available for this question.

Read More In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For reactions in parallel viz A P (desired product) and A Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a

Question: For reactions in parallel viz A P (desired product) and A Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a
[A].

batch reactor is preferred over a single CSTR for high yield.
[B].
tubular reactor is preferred over a single CSTR for high yield.
[C].
both (a) and (b).
[D].
single CSTR is the most suitable.

Answer: Option C

Explanation:

No answer description available for this question.

Read More For reactions in parallel viz A P (desired product) and A Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a
CHEMICAL ENGINEERING | Fuels and Combustion

Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.

Question: Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.
[A].

0.5
[B].
10
[C].
50
[D].
500

Answer: Option B

Explanation:

No answer description available for this question.

Read More Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.
CHEMICAL ENGINEERING | Chemical Process

Isopropyl benzene produced by alkylation of benzene with propylene is known as

Question: Isopropyl benzene produced by alkylation of benzene with propylene is known as
[A].

neoprene
[B].
cumene
[C].
gelatin
[D].
mercaptans

Answer: Option B

Explanation:

No answer description available for this question.

Read More Isopropyl benzene produced by alkylation of benzene with propylene is known as
Chemical Engineering Basics

All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?

All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?

A. Nickel
B. Vanadium
C. Molybdenum
D. Chromium

Read More All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?

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