1- Evaporation differs from distillation: a- The vapor rarely is a single component; b- The vapor usually is a single component; c- The residue is a liquid. 2- 100% humidity means: a- Saturated gas; b- Superheated vapor; c- Vapor free gas. 3- Humid heat (S) is: a- The energy required to rise the temperature of unit mass of dry air; b- The energy required to reduce the temperature of unit mass of dry air; c- Heat transfer rate.
1- Evaporation differs from distillation: a- The vapor rarely is a single component; b- The vapor usually is a single component; c- The residue is a liquid. 2- 100% humidity means: a- Saturated gas; b- Superheated vapor; c- Vapor free gas. 3- Humid heat (S) is: a- The energy required to rise the temperature of unit mass of dry air; b- The energy required to reduce the temperature of unit mass of dry air; c- Heat transfer rate.
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
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Transcribed Image Text:1- Evaporation differs from distillation:
a- The vapor rarely is a single component;
b- The vapor usually is a single component;
c- The residue is a liquid.
2- 100% humidity means:
a- Saturated gas;
b- Superheated vapor;
c- Vapor free gas.
3- Humid heat (S) is:
a- The energy required to rise the temperature of unit mass of dry air;
b- The energy required to reduce the temperature of unit mass of dry air;
c- Heat transfer rate.
4- Minimum gas (air) flow rate in cooling tower the:
a- Larger driving forces and tall column would be required;
b- Smaller driving forces and tall column would be required;
c- Smaller driving forces and small column would be required.
5- Percentage humidity represents:
a- (Humidity of saturated air/ humidity of air) x 100;
b- (Partial pressure of water vapor in air/ vapor pressure of water at the same time) x 100;
c- (Humidity of air / humidity of saturated air) x 100.
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