Q36-37. A thin-walled double-pipe counter-flow heat exchanger is used to cool oil (cp = 2.20 kJ/kg.°C) from 150°C to 40°C at a rate of 2 kg/s by water (cp = 4.18 kJ/kg-°C) that enters at 22°C at a rate of 1.5 kg/s. Hot oil 2 kyls 150°C Cold water 1.5 kg/s 22°C T40°c Q36. What is the approximate heat transfer by the oil? a. 8Qnet.in = +484 kW b. 8Qnet,in = -484 kW c. 8Qnet,out +484 kW d. Both a and b e. Both b and c f. Both a and c Q37. What is the approximate heat transfer to the water? a. 8Qnet,in = +484 kW b. SQnet,in = -484 kW c. SQnet,out d. Both a and b +484 kW e. Both b and c f. Both a and c
Q36-37. A thin-walled double-pipe counter-flow heat exchanger is used to cool oil (cp = 2.20 kJ/kg.°C) from 150°C to 40°C at a rate of 2 kg/s by water (cp = 4.18 kJ/kg-°C) that enters at 22°C at a rate of 1.5 kg/s. Hot oil 2 kyls 150°C Cold water 1.5 kg/s 22°C T40°c Q36. What is the approximate heat transfer by the oil? a. 8Qnet.in = +484 kW b. 8Qnet,in = -484 kW c. 8Qnet,out +484 kW d. Both a and b e. Both b and c f. Both a and c Q37. What is the approximate heat transfer to the water? a. 8Qnet,in = +484 kW b. SQnet,in = -484 kW c. SQnet,out d. Both a and b +484 kW e. Both b and c f. Both a and c
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
36
Transcribed Image Text:Q36-37. A thin-walled double-pipe counter-flow heat exchanger is used to cool oil (cp = 2.20 kJ/kg-°C)
from 150°C to 40°C at a rate of 2 kg/s by water (cp = 4.18 kJ/kg-°C) that enters at 22°C at a rate of
1.5 kg/s.
Hot oil
Cold
water
1.5 kg/s
22°C
F40°C
Q36. What is the approximate heat transfer by the oil?
a. 8Qnet,in = +484 kW
b. 80netin = -484 kW
c. 8ộnet.out = +484 kW
d. Both a and b
e. Both b and c
f. Both a and c
Q37. What is the approximate heat transfer to the water?
a. SQnet,in = +484 kW
b. 8Qnetin = -484 kW
c. 8Qnet,out
= +484 kW
d. Both a and b
e. Both b and c
f. Both a and c
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY