CHEMICAL ENGINEERING | Chemical Engineering Basics

For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

Byadmin August 8, 2022

Question: For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.
[A].

heat rejection is lower.

[B].

expansion & compression are isentropic.

[C].

maximum temperature is higher.

[D].

combustion is at constant volume.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

Effectiveness factor (E) of a catalyst pellet is defined as, Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Question: Effectiveness factor (E) of a catalyst pellet is defined as, Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
[A].

tan hT/T
[B].
tan T/T
[C].
tan hT/tan T
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Effectiveness factor (E) of a catalyst pellet is defined as, Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
Chemical Engineering Basics

When an isolated thermodynamic system executes a process ___________________?

When an isolated thermodynamic system executes a process ___________________?

A. Work is done
B. Heat transfer takes place
C. Mass flow occurs across the boundary of the system
D. No chemical reaction takes place within the system

Read More When an isolated thermodynamic system executes a process ___________________?
CHEMICAL ENGINEERING | Chemical Process

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Question: Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
[A].

surfactant
[B].
builder
[C].
optical brightening agent
[D].
anti soil redeposition agent

Answer: Option D

Explanation:

No answer description available for this question.

Read More Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
CHEMICAL ENGINEERING | Materials and Construction

Lead pipe is

Question: Lead pipe is
[A].

especially resistant to solutions containing H2SO4.
[B].
usually joined by burning (e.g. by melting to adjacent pieces with a torch).
[C].
having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Lead pipe is
CHEMICAL ENGINEERING | Mass Transfer

In case of an absorber, the operating

Question: In case of an absorber, the operating
[A].

line always lies above the equilibrium curve.
[B].
line always lies below the equilibrium curve.
[C].
line can be either above or below the equilibrium curve.
[D].
velocity is more than the loading velocity.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In case of an absorber, the operating
CHEMICAL ENGINEERING | Fluid Mechanics

In area meter (e.g., rotameter), with increase in the fluid flow rate, the

Question: In area meter (e.g., rotameter), with increase in the fluid flow rate, the
[A].

pressure drop increases linearly.
[B].
pressure drop is almost constant.
[C].
area through which fluid flows does not vary.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More In area meter (e.g., rotameter), with increase in the fluid flow rate, the

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