ME200_Exam3_Solution

# ME200_Exam3_Solution - First Name Solution Last Name CIRCLE...

This preview shows pages 1–3. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
2 First Name Solution Last Name Problem 1 (30 points) Show all work to receive credit. (a) A refrigerator with two compartments removes heat at the rate of 1000 kW from one compartment at -23 C and at the rate of 1400 kW from another compartment at 7 C; 300 kW of power input is required to operate the refrigerator. The refrigerator rejects heat to the ambient reservoir at 27 C. Draw a sketch of the refrigerator showing all heat and work interactions. Determine whether the refrigerator is reversible, irreversible, or impossible. (20 points) The heat and work interactions of the refrigerator are shown below: Applying energy balance to the refrigerator: 312 2700 kW   QQ QW 1000 kW 1400 kW 2700 kW kW 0 250 K 280 K 300 K K      refrigerator Q T
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 12/11/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue.

### Page1 / 7

ME200_Exam3_Solution - First Name Solution Last Name CIRCLE...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online