Question

A freezer case holds tissue samples in a laboratory. The manufacturer claims that under steady state...

A freezer case holds tissue samples in a laboratory. The manufacturer claims that under steady state operation the refrigerator has a coefficient of performance of 6.5. The freezer rejects 4.5 BTU/hr by heat transfer to the lab, which is kept at 75 °F. What power input is required in BTU/hr and what is the minimum theoretical temperature inside the freezer in °F?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

cop=65 1Q254.5 (Freezak power inpap (win) power input 6.5 c us-win 1. win 6.59 4.5 منها Oft win 202 Qiz Q - wij - 4.s-win twi

Add a comment
Know the answer?
Add Answer to:
A freezer case holds tissue samples in a laboratory. The manufacturer claims that under steady state...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 4. (30 pt) A laboratory freezer maintains biological samples at -80 °C. The laboratory air temperature...

    4. (30 pt) A laboratory freezer maintains biological samples at -80 °C. The laboratory air temperature is 18 °C. Heat transfers from the lab air to the freezer contents through the freezer walls at a rate of 0.05 kW. Electricity costs $0.12/kWh. a) Identify the relevant cycle for this problem, and draw a schematic of the system that clearly shows where each energy flow comes from and goes to. (2 pt) b) How much cooling must the freezer supply to...

  • summarizr the followung info and write them in your own words and break them into different...

    summarizr the followung info and write them in your own words and break them into different key points.   6.5 Metering Chamber: 6.5.1 The minimum size of the metering box is governed by the metering area required to obtain a representative test area for the specimen (see 7.2) and for maintenance of reasonable test accuracy. For example, for specimens incorporating air spaces or stud spaces, the metering area shall span an integral number of spaces (see 5.5). The depth of...

  • summatize the following info and break them into differeng key points. write them in yojr own...

    summatize the following info and break them into differeng key points. write them in yojr own words   apartus 6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT