CHEMICAL ENGINEERING | Fuels and Combustion

Increase in ash content of blast furnace coke

Byadmin August 17, 2022

Question: Increase in ash content of blast furnace coke
[A].

reduces its consumption in the furnace.

[B].

increases its consumption in the furnace.

[C].

does not affect its consumption in the furnace.

[D].

decreases its hardness and abrasion resistance.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fertiliser Technology

Catalyst used in the manufacture of NH3 by Haber’s process is finely divided

Question: Catalyst used in the manufacture of NH3 by Haber’s process is finely divided
[A].

nickel
[B].
iron
[C].
vanadium pentoxide
[D].
alumina

Answer: Option B

Explanation:

No answer description available for this question.

Read More Catalyst used in the manufacture of NH3 by Haber’s process is finely divided
CHEMICAL ENGINEERING | Mass Transfer

A coalescer in a mixer-settler liquid-liquid extraction coloumn

Question: A coalescer in a mixer-settler liquid-liquid extraction coloumn
[A].

comprises of thin bed of substances of extended surface having high porosity.
[B].
helps in increasing the bubble size entering the settler.
[C].
helps in increasing the settling rate of the bubbles.
[D].
all ‘a’, ‘b’, & ‘c’.

Answer: Option D

Explanation:

No answer description available for this question.

Read More A coalescer in a mixer-settler liquid-liquid extraction coloumn
Fuels and Combustion

Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

A. Silica gel
B. Diatomaceous earth
C. Basalt
D. Bog iron (i.e., moist ferric hydroxide)

Read More Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant ?
CHEMICAL ENGINEERING | Heat Transfer

Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats

Question: Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats
[A].

P and Q
[B].
P and R
[C].
P and S
[D].
R and S

Answer: Option C

Explanation:

No answer description available for this question.

Read More Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats
CHEMICAL ENGINEERING | Chemical Process

An oil is converted into fat by its

Question: An oil is converted into fat by its
[A].

hydrogenation
[B].
hydrolysis
[C].
hydrocracking
[D].
hydration

Answer: Option A

Explanation:

No answer description available for this question.

Read More An oil is converted into fat by its
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of

Question: A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of
[A].

temperature only.
[B].
temperature and pressure only.
[C].
temperature, pressure and liquid composition xi only.
[D].
temperature, pressure, liquid composition xi and vapour composition yi.

Answer: Option C

Explanation:

No answer description available for this question.

Read More A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of

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