CHEMICAL ENGINEERING | Heat Transfer

In a shell and tube heat exchanger, floating head is used for

Byadmin August 25, 2022

Question: In a shell and tube heat exchanger, floating head is used for
[A].

large temperature differentials.

[B].

high heat transfer co-efficient.

[C].

low pressure drop.

[D].

less corrosion of tubes.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Environmental Engineering

Hydrogen ion concentration in distilled water is

Question: Hydrogen ion concentration in distilled water is
[A].

10-7
[B].
7 x 10-7
[C].
107
[D].
7 x 107

Answer: Option A

Explanation:

No answer description available for this question.

Read More Hydrogen ion concentration in distilled water is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?

Question: Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
[A].

Cresylic acid
[B].
Xanthaies
[C].
Pine oil
[D].
all ‘a’ ‘b’ & ‘c’

Answer: Option B

Explanation:

No answer description available for this question.

Read More Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
CHEMICAL ENGINEERING | Fluid Mechanics

The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades.

Question: The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades.
[A].

inlet tip of a blade curves in a direction opposite to that
[B].
outlet tip of a blade curves in a direction opposite to that
[C].
inlet tip of a blade is towards the direction
[D].
outlet tip of a blade is towards the direction

Answer: Option D

Explanation:

No answer description available for this question.

Read More The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades.
CHEMICAL ENGINEERING | Polymer Technology

In condensation polymerisation as compared to addition polymerisation

Question: In condensation polymerisation as compared to addition polymerisation
[A].

the monomers are unsaturated compounds.
[B].
no co-product is lost.
[C].
the monomers contain two functional groups.
[D].
generally only one monomer is involved

Answer: Option C

Explanation:

No answer description available for this question.

Read More In condensation polymerisation as compared to addition polymerisation
CHEMICAL ENGINEERING | Fluid Mechanics

With increasing flow rate, the hydraulic efficiency of a centrifugal pump

Question: With increasing flow rate, the hydraulic efficiency of a centrifugal pump
[A].

monotonically decreases.
[B].
decreases and then increases.
[C].
remains constant.
[D].
increases and then decreases.

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increasing flow rate, the hydraulic efficiency of a centrifugal pump
CHEMICAL ENGINEERING | Chemical Process

Average sulphur content in Indian pyrites is about __________ percent.

Question: Average sulphur content in Indian pyrites is about __________ percent.
[A].

15
[B].
35
[C].
55
[D].
70

Answer: Option B

Explanation:

No answer description available for this question.

Read More Average sulphur content in Indian pyrites is about __________ percent.

Similar Posts