CHEMICAL ENGINEERING | Environmental Engineering

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes

Byadmin August 12, 2022

Question: Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes
[A].

paralysis of muscles & loss of appetite.

[B].

nervous depression.

[C].

gastritis & diarrhea.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In a homogeneous solution, the fugacity of a component depends upon the

Question: In a homogeneous solution, the fugacity of a component depends upon the
[A].

pressure
[B].
composition
[C].
temperature
[D].
all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a homogeneous solution, the fugacity of a component depends upon the
CHEMICAL ENGINEERING | Furnace Technology

In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of

Question: In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of
[A].

use of non-preheated combustion air.
[B].
use of pulverised solid fuels.
[C].
imperfect mixing of fuel & air and infiltration of air.
[D].
use of excessive positive draft in the furnace.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For an isothermal variable volume batch reactor, the following relation is applicable for a first order irreversible reaction.

Question: For an isothermal variable volume batch reactor, the following relation is applicable for a first order irreversible reaction.
[A].

XA = k . t
[B].

[C].
-ln(1 – XA) = kt
[D].
εA . ln (1 – XA) = k . t

Answer: Option B

Explanation:

No answer description available for this question.

Read More For an isothermal variable volume batch reactor, the following relation is applicable for a first order irreversible reaction.
CHEMICAL ENGINEERING | Fuels and Combustion

Blast furnace gas burns with a bluish flame, because of the presence of

Question: Blast furnace gas burns with a bluish flame, because of the presence of
[A].

CO
[B].
CH4
[C].
CO2
[D].
S

Answer: Option A

Explanation:

No answer description available for this question.

Read More Blast furnace gas burns with a bluish flame, because of the presence of
CHEMICAL ENGINEERING | Furnace Technology

If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.

Question: If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.
[A].

sidefired
[B].
underfired
[C].
covered
[D].
recirculating

Answer: Option B

Explanation:

No answer description available for this question.

Read More If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be

Question: An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be
[A].

[B].
1000 (1 + 0.1)20
[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Read More An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be

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