MET 435 Refrigeration Plants Exam 2023
About this paper
MET 435: First Semester Examination, University of Buea, College of Technology, Department of Mechanical Engineering, Instructors Mbitekamboh R.W. & Ntiaya D, 13/01/2023: Course questions on the Carnot refrigerator, vapor compression cycle T-s/p-h diagrams, desired refrigerant properties, and primary vs secondary refrigerants; Exercise 1, an air refrigeration cycle with isentropic efficiencies for compression/expansion, finding refrigeration capacity and COP; Exercise 2, a Freon-12 ice-production refrigeration machine, finding ice produced in 24 hours; Exercise 3, an R-134a ideal vapor-compression cycle, finding heat removal, power input and COP.
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University of Buea
College of Technology - COT
Mechanical Engineering - MET
Refrigeration Plants
Exam · First Semester · Level 400
From this paper
- 1.
Explain working of a Carnot refrigerator and state why it cannot be used in practice. (5 mks)
- 2.
What do you understand by vapor compression cycle? Explain the processes on T -s and p-h diagrams. (5 mks)
At a glance
- Course code
- MET435 (MET 435)
- Type
- Exam
- Year
- 2023
- Level
- Level 400
- Semester
- First Semester
- Proposed solution
- Included
Where it's from
University
University of BueaFaculty
College of Technology - COTDepartment
Mechanical Engineering - MET
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