CHEMICAL ENGINEERING | Fuels and Combustion

With increases in carbonisation temperature

Byadmin August 17, 2022

Question: With increases in carbonisation temperature
[A].

coke even gas yield increases.

[B].

tar yield increases.

[C].

hydrogen percentage in the coke oven gas decreases.

[D].

methane percentage in the coke oven gas increases.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant

Question: Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant
[A].

humidity
[B].
velocity
[C].
temperature
[D].
all (a), (b) & (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant
CHEMICAL ENGINEERING | Fuels and Combustion

Octane number of 2, 2, 4 – trimethyl pen-tane is

Question: Octane number of 2, 2, 4 – trimethyl pen-tane is
[A].

0
[B].
100
[C].
in between 0 and 100
[D].
more than 100

Answer: Option B

Explanation:

No answer description available for this question.

Read More Octane number of 2, 2, 4 – trimethyl pen-tane is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

Question: Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
[A].

burning
[B].
intensive oxidation
[C].
evaporation
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Machinability of hard alloys & tool steels is improved by

Question: Machinability of hard alloys & tool steels is improved by
[A].

spherodising
[B].
annealing
[C].
tempering
[D].
normalising

Answer: Option B

Explanation:

No answer description available for this question.

Read More Machinability of hard alloys & tool steels is improved by
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
Fuels and Combustion

The maximum adiabatic flame temperature is attained, when the fuel is burnt with ______________________?

The maximum adiabatic flame temperature is attained, when the fuel is burnt with ______________________?

A. Theoretically required amount of air
B. More than theoretically required amount of air
C. Less than theoretically required amount of air
D. Theoretically required amount of oxygen

Read More The maximum adiabatic flame temperature is attained, when the fuel is burnt with ______________________?

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