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Chemical Engineering Question Answers Competitive Exams

Chemical Engineering MCQ Questions Answers for competitive exams: This mock test having 25 question each, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this Chemical Engineering test question details at the end of the quiz.

This Chemical Engineering questions answers are applicable for any kind of entrance exam or job related exam especially for P.O. GATE, IIT JAM and other placement examination. You practice as much as you can so gather knowledge of how to answers Chemical Engineering critical type papers in short time and this can be a big factor for cracking any exam.

Chemical Engineering (Ch E)

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Question 1
A box Containing 10 identical Compartments has 6 red balls and 2 blue balls. If each compartment can hold only one ball, then the number of different possible arrangement are
A
1026
B
1062
C
1260
D
1620
Question 2
If the temperature of saturated water is increased infinitesimally at constant entropy, the resulting state of water will be
A
Liquid
B
Liquid-vapour coexistence
C
Saturated vapour
D
Solid
Question 3
For an exothermic reversible reaction, which one of the following correctly describes the dependence of the equilibrium constant (K) with temperature (T) and pressure (P)?
A
K is independent of T and P
B
K increases with an increase in T and P
C
K increases with T and decreases with P
D
K decreases with an increase T and is independent of P
Question 4
Water is flowing under laminar conditions in a pipe of length L. If the diameter of the pipe is doubled, for a constant volumetric flow rate, the pressure drop across the pipe
A
Decreases 2 times
B
Decreases 16 times
C
Increases 2 times
D
Increases 16 times
Question 5
The local velocity of a fluid along a streamline can he measured by
A
Pitot tube
B
Venturi meter
C
Rota meter
D
Orifice meter
Question 6
For heat transfer across a solid fluid interface, which one of the following statements is NOT true when the Blot number is very small compared to 1?
A
Condition resistance in the solid Is very small compared to convection resistance In the fluid
B
Temperature profile within the solid is nearly uniform
C
Temperature drop in the fluid is significant
D
Temperature drop in the solid is significant
Question 7
In the Mc-Cabe-ThieIe diagram, if the x-coordinate of the point of intersection of the q—line and the vapour—liquid equilibrium curve is greater than the x— coordinate of the feed point, then the quality of the feed is
A
Superheated vapour
B
Liquid below bubble point
C
Saturated vapour
D
Saturated liquid
Question 8
For which of the following combinations, does the absorption operation become gas-film controlled?P. The solubility of gas in the liquid is very high Q. The solubility of gas in the liquid is very low R. The liquid-side mass transfer coefficient is much higher than the gas-side mass transfer coefficient S. The liquid-sicie mass transfer coefficient is much lower than the gas-side mass transfer coefficient
A
P&Q
B
P&R
C
P&S
D
Q&R
Question 9
The final boiling points of gasoline, diesel, atmospheric gas oil (AGO) and lubricating oils vary as
A
Gasoline > diesel > AGO > lubricating oils
B
Lubricating oils > AGO >diesel > gasoline
C
AGO > lubricating > oils> diesel > gasoline
D
Lubricating oils > diesel >AGO > gasoline
Question 10
The main unit processes used for the production of hydrogen from natural gas are steam reforming (SR), pressure swing adsorption (PSA), low temperature water gas shift reaction (LT WGS) and high temperature water gas shift reaction (HT WGS). The correct sequence of these in the plant is
A
SR;LT WGS; HTWGS; PSA
B
PSA; SR; LTWGS; HTWGS
C
SR; HTWGS; LTWGS; PSA
D
PSA; HTWGS; LTWGS; SR
Question 11
The thermometer initially at 100°C is dipped at t=0 into an oil bath, maintained at . If the recorded temperature is 130°C after 1 minute, then the time constant of thermometer (in mm) is
A
1.98
B
1.35
C
1.26
D
1.09
Question 12
The Bode stability criterion is applicable when
A
Gain and phase curves decrease continuously with frequency
B
Gain curve increases and phase curve decreases with frequency
C
Gain curve and phase curve both increase with frequency
D
Gain curve decreases and phase curve increases with frequency
Question 13
A thermocouple having a linear relationship between 0°C and 350°C shows an emf of zero and 30.5rnV, respectively at these two temperatures. If the cold junction temperature is shifted from 0°C to 30°C, then the emf correction (in mV) is
A
3.13
B
2.92
C
2.61
D
2.02
Question 14
The minimum flow rate of solvent B required in kg/h is
A
1454
B
1584
C
1676
D
1874
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