CHEMICAL ENGINEERING | Heat Transfer

Heat transfer co-efficient (h1) for liquids increases with

Byadmin August 23, 2022

Question: Heat transfer co-efficient (h1) for liquids increases with
[A].

increasing temperature.

[B].

decreasing temperature.

[C].

decreasing Reynolds number.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

Question: For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant
[A].

is independent of pressure.
[B].
increases with pressure.
[C].
decreases with pressure.
[D].
increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction.

Answer: Option B

Explanation:

No answer description available for this question.

Read More For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

Question: Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
[A].

straight line
[B].
sine curve
[C].
parabola
[D].
hyperbola

Answer: Option A

Explanation:

No answer description available for this question.

Read More Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
CHEMICAL ENGINEERING | Chemical Process

Flash point of most vegetable oils is about __________ °C.

Question: Flash point of most vegetable oils is about __________ °C.
[A].

50
[B].
100
[C].
200
[D].
300

Answer: Option C

Explanation:

No answer description available for this question.

Read More Flash point of most vegetable oils is about __________ °C.
CHEMICAL ENGINEERING | Chemical Engineering Basics

In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

Question: In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
[A].

μ , α and θ all have units of m/s.
[B].
μ , α and θ all have units of m2/s.
[C].
α and θ have units of m2/s, while μ has unit of m/s.
[D].
α and θ have units of m/s, while μ has unit of m2/s.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

‘Six-tenth factor’ rule is used for estimating the

Question: ‘Six-tenth factor’ rule is used for estimating the
[A].

equipment installation cost.
[B].
equipment cost by scaling.
[C].
cost of piping.
[D].
utilities cost.

Answer: Option B

Explanation:

No answer description available for this question.

Read More ‘Six-tenth factor’ rule is used for estimating the
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In Langmuir treatment of adsorption,

Question: In Langmuir treatment of adsorption,
[A].

whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule.
[B].
whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site.
[C].
all the adsorption does not take place by the same mechanism.
[D].
extent of adsorption is more than one complete monomolecular layer on the surface.

Answer: Option B

Explanation:

No answer description available for this question.

Read More In Langmuir treatment of adsorption,

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