MET 303 Engineering Thermodynamics 1 Exam 2023
About this paper
MET 303: First Semester examination (2022/2023) in Engineering Thermodynamics 1 (MET303), Department of Mechanical Engineering, College of Technology, University of Buea. It covers the first law for an air motor, the steady flow energy equation for a heat exchanger, a heat engine driving a Carnot refrigerator, and a Carnot engine and refrigerator sharing a rejection temperature.
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University of Buea
College of Technology - COT
Mechanical Engineering - MET
Engineering Thermodynamics 1
Exam · First Semester · Level 300
From this paper
In an air motor cylinder, the compressed air has an internal energy of 450 kJ/kg at the beginning of the expansion and an internal energy of 220 kJ/kg after expansion. If the work done by air during the expansion is 120 kJ/kg, calculate the heat flow to and from the cylinder.
A reversible heat engine operates between two reservoirs at 827◦C and 27◦C. Engine drives a Carnot refrigerator maintaining −13◦C and rejecting heat to reservoir at 27◦C. Heat input to the engine is 2000 kJ and the net work available is 300 kJ. How much heat is transferred to refrigerant and total heat rejected to reservoir at 27◦C?
At a glance
- Course code
- MET303 (MET 303)
- Type
- Exam
- Year
- 2023
- Level
- Level 300
- 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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