FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

2. A heat pump working with R134a is used to heat water for a hot-water supply. The evaporator temperature is 15C and the condenser temperature

image text in transcribed
2. A heat pump working with R134a is used to heat water for a hot-water supply. The evaporator temperature is 15C and the condenser temperature is 60C. The compressor efficiency is 80%. (a) Determine the COP the heat pump (b) If the amount of hot water needed is 0.1kg/s, determine the amount of energy saved by using the heat pump instead of directly heating the water from 15 to 60C(Cp(water)=4.18kJkg1K1)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Elementary Principles of Chemical Processes

Elementary Principles of Chemical Processes

Authors: Richard M. Felder, Ronald W. Rousseau

3rd Edition

978-0471687573, 9788126515820, 978-0-471-4152, 0471720631, 047168757X, 8126515821, 978-0471720638

More Books

Students also viewed these Chemical Engineering questions

Question

★★★★★
Is it true that the "squeaky wheel gets the most grease," meaning that the customer complaining the loudest and most aggressively will get noticed and receive the greatest concessions?

Answered: 1 week ago

Question

★★★★★
32. En las grandes empresas, el procedimiento de verificacin interna independiente suele asignarse a a. operadores de computadoras. b. gestin. C. auditores internos. d. fuera de los contadores...

Answered: 1 week ago

Question

★★★★★
5. Using supply-and-demand diagrams, show the effect of the following events on the market for sweatshirts. a. A hurricane in South Carolina damages the cotton crop. b. The price of leather jackets...

Answered: 1 week ago

Question

★★★★★
J. Wold, project manager of Print Software, Inc., wants you to prepare a project network; compute the early, late, and slack activity times; determine the planned project duration; and identify the...

Answered: 1 week ago

Question

★★★★★
2. A heat pump working with R134a is used to heat water for a hot-water supply. The evaporator temperature is 15C and the condenser temperature is 60C. The compressor efficiency is 80%. (a) Determine...

Answered: 1 week ago

Question

★★★★★
Use the internet or your professional network to find companies organizations in your field. After you have found three to four potential organizations, choose two to research in more depth. Complete...

Answered: 1 week ago

Question

★★★★★
, Public servants exercise significant discretionary power in their everyday work - in their stewardship of public resources, at the interface with citizens, and in the context of policy making....

Answered: 1 week ago

Question

★★★★★
Amron Ltd has three production departments: M, N, and O and two service departments P and Q. The following particulars are available for the month of March 2020: Particulars Amount ($) Lease rental...

Answered: 1 week ago

Question

★★★★★
Question Pre-5: Refer to Section 2. Constant-Acceleration Motion - Free-Fall. You tape a small washer to a ball and hang the ball from an electromagnet. When you press down on a trigger, the...

Answered: 1 week ago

Question

★★★★★
A manufacturing company uses process costing. The company plant has one production department. Direct materials are added at the start of production while conversion costs are incurred evenly...

Answered: 1 week ago

Question

★★★★★
A retail store is trying to predict the number of customers that will enter the store on a given day. They gather data on the number of customers that have entered the store over the past year and...

Answered: 1 week ago

Question

★★★★★
LO12.7 Distinguish among the monopoly price, the socially optimal price, and the fair-return price of a government-regulated monopoly.

Answered: 1 week ago

Question

★★★★★
4. Assume that a pure monopolist and a purely competitive firm have the same unit costs. Contrast the two with respect to (a) price, (b) output, (c) profits, (d) allocation of resources, and (e)...

Answered: 1 week ago

Question

★★★★★
3. How does the demand curve faced by a purely monopolistic seller differ from that confronting a purely competitive firm? Why does it differ? Of what significance is the difference? Why is the pure...

Answered: 1 week ago

Previous Question Next Question