3. A pure gas is absorbed in a solvent in which the gas is highly soluble. The controlling resistance (A) in the gas film (B) in the liquid film (C) in the interface (D) any of the above. 4. For the air-water system under adiabatic conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because (A) water has a high latent heat of evaporation (B) Lewis number is close to unity (C) they are always equal under all circumstances (D) solubility of the components of air in water is very small. 5. Starting at the minimum reflux ratio, as the reflux ratio is increased for a given separation, the operating cost of a fractionating column (A) Decreases (B) Increases (C) First decreases and then increases (D) First increases and then decreases Engineering analysis 1- The particular solution of the differential equation could be solved either by: Variation of parameters or by undetermined coefficients. Which method that requires to calculate the determinant of the matrix? (A) Undetermined coefficients (B) Variation of parameter (C) None of them (D) both of them 2-y In (x). In (y)dx+ dy = 0 is solved by separable variable method and the final solution is: (A) xln(x) x+ In(lny) + c (B) x In(x) In(y)+c (C) xln(x) + c (D) x In(x) + In(Iny) + c 3- The roots of the following differential equation y" + y" -16 y' -16 y=0 are: (A)λ= 1,2 4,3=-4 (B) 2,2-2, 23=1 (C)21 3,2 3,3=2
3. A pure gas is absorbed in a solvent in which the gas is highly soluble. The controlling resistance (A) in the gas film (B) in the liquid film (C) in the interface (D) any of the above. 4. For the air-water system under adiabatic conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because (A) water has a high latent heat of evaporation (B) Lewis number is close to unity (C) they are always equal under all circumstances (D) solubility of the components of air in water is very small. 5. Starting at the minimum reflux ratio, as the reflux ratio is increased for a given separation, the operating cost of a fractionating column (A) Decreases (B) Increases (C) First decreases and then increases (D) First increases and then decreases Engineering analysis 1- The particular solution of the differential equation could be solved either by: Variation of parameters or by undetermined coefficients. Which method that requires to calculate the determinant of the matrix? (A) Undetermined coefficients (B) Variation of parameter (C) None of them (D) both of them 2-y In (x). In (y)dx+ dy = 0 is solved by separable variable method and the final solution is: (A) xln(x) x+ In(lny) + c (B) x In(x) In(y)+c (C) xln(x) + c (D) x In(x) + In(Iny) + c 3- The roots of the following differential equation y" + y" -16 y' -16 y=0 are: (A)λ= 1,2 4,3=-4 (B) 2,2-2, 23=1 (C)21 3,2 3,3=2
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
Please solve all the choices with explanation
Transcribed Image Text:3. A pure gas is absorbed in a solvent in which the gas is highly soluble. The controlling resistance
(A) in the gas film
(B) in the liquid film
(C) in the interface
(D) any of the above.
4. For the air-water system under adiabatic conditions, the adiabatic saturation temperature and
the wet bulb temperature are nearly equal, because
(A) water has a high latent heat of evaporation
(B) Lewis number is close to unity
(C) they are always equal under all circumstances
(D) solubility of the components of air in water is very small.
5. Starting at the minimum reflux ratio, as the reflux ratio is increased for a given separation, the
operating cost of a fractionating column
(A) Decreases
(B) Increases
(C) First decreases and then increases
(D) First increases and then decreases
Engineering analysis
1- The particular solution of the differential equation could be solved either by: Variation of
parameters or by undetermined coefficients. Which method that requires to calculate the
determinant of the matrix?
(A) Undetermined coefficients
(B) Variation of parameter
(C) None of them
(D) both of them
2-y In (x). In (y)dx+ dy = 0 is solved by separable variable method and the final solution is:
(A) xln(x) x+ In(lny) + c
(B) x In(x)
In(y)+c
(C) xln(x) + c
(D) x In(x) + In(Iny) + c
3- The roots of the following differential equation y" + y" -16 y' -16 y=0 are:
(A)λ= 1,2 4,3=-4
(B) 2,2-2, 23=1
(C)21 3,2 3,3=2
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The