User Account

All Pages

heat transfer, Chemistry

Assignment Help:
54) Note: This problem is worth double credit.It is desired to concentrate a caustic soda solution from 12.5 to 40.0% in a double-effect evaporator. Feed solution at a flow rate of 50,000 lb/h enters the evaporator at 120?F, and steam at 15 psig is available to concentrate this solution. Pressure in the vapor space of the second effect is kept at 5.92 in Hg absolute (24 in Hg vacuum), and water at 85?F from a cooling tower is available to condense the vapor from the second effect. For backward feed operation, calculate the
(a) steam flow rate required.
(b) steam economy.
(c) area per evaporator effect.
(d) cooling water flow rate required, assuming the water should be returned to the cooling tower no hotter than 125?F.
The overall heat transfer coefficients for the two effects are 350 and 450 Btu/h•ft2•?F, respectively.Answers:(a)21,400 lb/h(b)1.61(c)1960 ft2(d) 421,000 lb/h

Related Discussions:- heat transfer

Assignment, State 2nd law of thermodynamics in many forms as possible and s...

State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?

The electrons in different shells, Which of the following explains the sequ...

Which of the following explains the sequence of filling the electrons in different shells: (1)  Hund's rule (2) Octet rule (3) Aufbau principle (4) All of these Ans

Organic chemistry, what is leader manase reaction

what is leader manase reaction

Electro chemistry, give best example of ammalgam eletrod

give best example of ammalgam eletrod

Coordination position isomerism, what is the geometry of coordination...

what is the geometry of coordination position isomers

Ionic compounds do not have, Ionic compounds do not have: (1) Hard and ...

Ionic compounds do not have: (1) Hard and brittle nature (2) High melting and boiling point (3) Directional properties (4) Soluble in polar solvents Ans:  Direction

Briefly explain about diffusion of gases, Q. Briefly explain about Diffusio...

Q. Briefly explain about Diffusion of Gases? Ans.  The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy

One of the following compound is ionic, Which one of the following compound...

Which one of the following compound is ionic: (1) KCl                             (2) CH 4               (3) Diamond              (4) H 2 Ans: KCl

Polymers., uses of the polymer bakelite

uses of the polymer bakelite

THERMODYNAMICS, ASSINMENT

ASSINMENT

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd