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Exam (elaborations)

MAE 201 NCSU – Test 1 – Converted

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Converted test material for MAE 201 NCSU Test 1. Includes practice questions and answers to help mechanical engineering students review key concepts, reinforce understanding, and prepare effectively for exams.

Institution
MAE 201
Course
MAE 201

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MAE 201 NCSU TEST 1 QUESTIONS
WITH 100% CORRECT ANSWERS



\Q\.Identify the system for a piston-cylinder.

a. closed system

b. open system

c. isolated system - ANSWER-✔a. closed system



\Q\.Identify the system for a turbine.

a. closed system

b. open system

c. isolated system - ANSWER-✔b) Open system



\Q\.Identify the system for a refrigerator and its immediate surroundings.

a. closed system

b. open system

c. isolated system - ANSWER-✔c. isolated system



\Q\.Identify the system for a sealed tank.

a. closed system

b. open system

c. isolated system - ANSWER-✔a. closed system




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Rationales
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\Q\.In the first law, the energy entering the system and the energy leaving the system can be
due to



a. only work.

b. heat, work, and mass flow.

c. only work and mass flow.

d. only heat transfer. - ANSWER-✔b. heat, work, and mass flow.



\Q\.The thermodynamic sign convention states that




Select one or more:

a. work transferred out of a system has a positive value.



b. the change of temperature in a system must be positive.



c. heat transferred out of a system can be positive or negative.



d. heat transferred into a system has positive value. - ANSWER-✔a. work transferred out of a
system has a positive value.



d. heat transferred into a system has positive value.



\Q\.(T/F) Boundary work only exists if a system boundary is moved during a process. - ANSWER-
✔True




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Deal | Comprehensive
Deal | Comprehensive
Exam Test
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Bank Bundle
| Verified
| Verified
QuestionsQuestions
& Correct
& Correct
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| Detailed
| Detailed
Rationales
Rationales
| A+ Explanations
| A+ Explanations
| Latest |2026/2027
Latest 2026/2027
Edition Edition
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Institution
MAE 201
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MAE 201

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Uploaded on
January 16, 2026
Number of pages
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Written in
2025/2026
Type
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Contains
Questions & answers

Subjects

  • mae 201 ncsu test 1
  • mechanical engineering exam
  • mae 201 practice questions
  • north carolina state university study guide
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