Solution Manual For Thermodynamics An Engineering Approach 10th Edition by Cengel Chapter (1-18)

ACCESS Test Bank for Thermodynamics Engineering Approach 10th Edition
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Cengel qk




1-1




SOLUTIONSMANUAL qk




Thermodynamics: An Engineering Approach qk qk qk




10th Edition qk




Yunus A. Çengel, Michael A. Boles, Mehmet Kanoğlu
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McGraw-Hill, 2023 qk




Chapter 1 qk




qk INTRODUCTION AND BASIC CONCEPTS qk qk qk




PROPRIETARY AND CONFIDENTIAL qk qk




This Manual is the proprietary property of McGraw Hill LLC and protected by copyright and other state and federal laws.
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By opening and using this Manual the user agrees to the following restrictions, and if the recipient does not agree to these
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restrictions, the Manual should be promptly returned unopened to McGraw Hill LLC: This Manual is being provided only
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to authorized professors and instructors for use in preparing for the classes using the affiliated textbook. No other use or
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distribution of this Manual is permitted. This Manual may not be sold and may not be distributed to or used by any student
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or other third party. No part of this Manual may be reproduced, displayed or distributed in any form or by any means,
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© MCGRAW HILL LLC. ALL RIGHTS RESERVED. NO REPRODUCTION OR DISTRIBUTION WITHOUT
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,ACCESS Test Bank for Thermodynamics Engineering Approach 10th Edition
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Cengel qk




1-2
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,ACCESS Test Bank for Thermodynamics Engineering Approach 10th Edition
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Cengel qk




1-3


CYU - Check Your Understanding qk qk qk qk




CYU 1-1 ■ Check Your Understanding
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CYU 1-1.1 Choose the wrong statement about the first law of thermodynamics.
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(a) During an interaction, energy can change from one form to another.
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(b) During an interaction, the total amount of energy remains constant.
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(c) Energy can be destroyed but it cannot be created.
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(d) Energy is a thermodynamic property. qk qk qk qk




(e) A system with more energy input than output will gain energy.
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Answer: (c) Energy can be destroyed but it cannot be created.
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CYU 1-1.2 Which statement best expresses the second law of thermodynamics?
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(a) The temperature of a well-sealed room increases when a fan in the room is turned on.
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(b) A cup of cool coffee in a warm room never gets hot by itself.
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(c) Heat is generated when there is friction between two surfaces.
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(d) A household refrigerator supplies heat to the kitchen when operating.
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(e) A person who has a smaller energy input than output will lose weight.
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Answer: (b) A cup of cool coffee in a warm room never gets hot by itself.
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CYU 1-2 ■ Check Your Understanding
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CYU 1-2.1 Which of the following is not a correct unit for work?
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(a) kg · 𝑚/𝑠2 qk qk




(b) Nm
(c) kPa · 𝑚3 qk qk




(d) kJ
(e) kWh

Answer: (a) kg · 𝑚/𝑠2 qk qk qk qk




CYU 1-2.2 Using unit considerations, select the correct equations.
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I. Mass = Force  Acceleration qk qk qk qk




II. Work = Force  Distance qk qk qk qk




III. Work = Power  Time qk qk qk qk




IV. Density = Mass  Volume qk qk qk qk




(a) I and IIqk qk




(b) I and III
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(c) II and III qk qk




(d) I, II, and III
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(e) II, III, and IV qk qk qk




Answer: (c) II and III qk qk qk qk




© MCGRAW HILL LLC. ALL RIGHTS RESERVED. NO REPRODUCTION OR DISTRIBUTION WITHOUT
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, ACCESS Test Bank for Thermodynamics Engineering Approach 10th Edition
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Cengel qk




1-4

CYU 1-2.3 What is the weight of 10 kg?
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(a) 10 N qk




(b) 10 lbf qk




(c) 9.8 N qk




(d) 98 N qk




(e) 322 lbf qk




Answer: (d) 98 N qk qk qk




𝑊 = mg = (10 kg)(9.8 𝑚/𝑠2) = 98 kg · 𝑚/𝑠2 = 98 𝑁
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since 1 𝑁 = 1 kg ·
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CYU 1-3 ■ Check Your Understanding
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CYU 1-3.1 Choose the wrong statement regarding systems and control volumes.
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(a) The mass or region outside the system is called the surroundings.
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(b) The real or imaginary surface that separates the system from its surroundings is called the boundary.
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(c) The boundary has zero thickness. qk qk qk qk




(d) The boundary can neither contain any mass nor occupy any volume in space.
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(e) The boundary of a system is fixed; it cannot move.
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Answer: (e) The boundary of a system is fixed; it cannot move.
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CYU 1-3.2 Choose the wrong statement regarding systems and control volumes.
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(a) Both mass and energy can cross the boundary of a control volume.
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(b) Mass cannot enter or leave a closed system but energy can.
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(c) Mass can enter or leave an isolated system but energy cannot.
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(d) The boundaries of a control volume can be real or imaginary.
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(e) The volume of a closed system does not have to be fixed.
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Answer: (c) Mass can enter or leave an isolated system but energy cannot.
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CYU 1-4 ■ Check Your Understanding
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CYU 1-4.1 Which properties are intensive?
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I. Volume, 𝑚3 qk




II. Density, kg/𝑚3 qk




III. Temperature, C qk




IV. Pressure, kPa qk




(a) II and III qk qk




(b) III and IV qk qk




(c) I, II and III qk qk qk




(d) II, III, and IV qk qk qk




(e) I, II, III, and IV
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Answer: (d) II, III, and IV qk qk qk qk qk




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THE PRIOR
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