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2.1.4. Generator
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
2 cards from this lesson. Good the night before a test.
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- 1.
What does VARS stand for?
Hint
Look for the acronym in the title.
- 2.
Name one advantage of VARS.
Hint
Consider the benefits of using heat.
- 3.
What type of energy does VARS use to facilitate refrigeration?
- Mechanical Energy
- Electrical Energy
- Thermal Energy
Hint
Focus on the energy source that VARS relies on.
- 4.
True or False: Ammonia is non-toxic and safe to use in refrigeration.
- True
- False
Hint
Consider the safety properties of ammonia.
- 5.
A factory wants to implement a VARS system for cooling its machinery using waste heat. Evaluate the prerequisites for selecting the right absorbent-refrigerant combination based on operational temperatures and safety.
Hint
Consider both the operating conditions and safety regulations.
- 6.
Given that ammonia is toxic, suggest safety measures and system modifications necessary for a factory using an ammonia-water VARS.
Hint
Think of engineering solutions that reduce risks in chemical operations.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
Get your answers marked and your progress tracked
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting