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Which of the following is true about the law of conservation of mass for a closed system? O min mout O M₁-M₂ = Min-Mout Om₁=M2₂ O Min-M₁-Mout O min=0 but mout >O

Which of the following is true about the law of conservation of mass for a closed system? O min mout O M₁-M₂ = Min-Mout Om₁=M2₂ O Min-M₁-Mout O min=0 but mout >O

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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**Question 1** Which of the following is true about the law of conservation of mass for a closed system? - ☐ \( m_{\text{in}} = m_{\text{out}} \) - ☐ \( m_1 - m_2 = m_{\text{in}} - m_{\text{out}} \) - ☐ \( m_1 = m_2 \) - ☐ \( m_{\text{in}} = m_1 - m_{\text{out}} \) - ☐ \( m_{\text{in}} = 0 \) but \( m_{\text{out}} > 0 \) **Explanation**: This multiple-choice question asks which option correctly represents the law of conservation of mass in a closed system. The options given involve different equations relating mass entering and leaving the system, as well as initial and final masses. A closed system implies no mass is exchanged with the surroundings.
Transcribed Image Text:**Question 1** Which of the following is true about the law of conservation of mass for a closed system? - ☐ \( m_{\text{in}} = m_{\text{out}} \) - ☐ \( m_1 - m_2 = m_{\text{in}} - m_{\text{out}} \) - ☐ \( m_1 = m_2 \) - ☐ \( m_{\text{in}} = m_1 - m_{\text{out}} \) - ☐ \( m_{\text{in}} = 0 \) but \( m_{\text{out}} > 0 \) **Explanation**: This multiple-choice question asks which option correctly represents the law of conservation of mass in a closed system. The options given involve different equations relating mass entering and leaving the system, as well as initial and final masses. A closed system implies no mass is exchanged with the surroundings.
Expert Solution
Step 1

Closed system:

In closed system, only energy interaction is takes place between system and surrounding and there is no any mass interaction between them.

i.e. for closed system,

Change in energy =∆E≠0Change in mass = ∆m=0

Ex. piston cylinder device with valves closed, cup of tea covered with lid etc.

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