![Refrigeration and Air Conditioning Technology (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305578296/9781305578296_largeCoverImage.gif)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 33, Problem 29RQ
Drain-down systems would best be used in which geographic area?
A. Colder climates
B. Warmer climates
C. Climates with very low humidity
D. Climates with very high humidity
Expert Solution & Answer
![Check Mark](/static/check-mark.png)
Trending nowThis is a popular solution!
![Blurred answer](/static/blurred-answer.jpg)
Students have asked these similar questions
Which device can be used to recover waste heat from flue gas?
a.
flue gas recoverer
b.
boiler saver
c.
energy saver
d.
feedwater economizer
Which of the following components is NOT a type of ventilation system?
Select one:
a. Airconditioning Units
b. Venting Skylight
c. Boilers
d. Exhaust Fans
Which one of the following
statement is correct for steam
nozzle?
a. Outlet velocity of the
steam is greater than
inlet velocity of the
steam
b. Work done by the
steam nozzle
O C. The height difference
between inlet and
outlet nozzle is more
o d. Heat is rejected by the
steam nozzle
Chapter 33 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 33 - A hydronic heating system uses ______to move heat...Ch. 33 - Describe a zone in a hydronic heating system.Ch. 33 - Name four sources of heat commonly used for...Ch. 33 - Give three reasons that air is detrimental to a...Ch. 33 - Explain the difference between a wet-base and a...Ch. 33 - Where is air vented from a hydronic heating...Ch. 33 - The "point of no pressure change" is located at...Ch. 33 - The purpose of a limit control in a boiler is to...Ch. 33 - The device that relieves the pressure in a boiler...Ch. 33 - Describe the function of a low-water cutoff.
Ch. 33 - The relief valve setting for a typical...Ch. 33 - Describe how an air cushion tank functions in a...Ch. 33 - True or False: City water does not contain air.Ch. 33 - State two ways that air can get into a hydronic...Ch. 33 - The most common type of pump used for hydronic...Ch. 33 - Another term for pump pressure is feet of _______.Ch. 33 - Two types of zone control valves are the _____and...Ch. 33 - Why must expansion be considered when sizing...Ch. 33 - How is expansion in hot water pipes handled?Ch. 33 - Sketch the following systems: one pipe, two-pipe...Ch. 33 - Describe the advantage of a two-pipe...Ch. 33 - The pressure differential bypass valve is most...Ch. 33 - What is the heat output, in Btu/h, of a terminal...Ch. 33 - In a primary-secondary pumping arrangement, the...Ch. 33 - The temperature of the water at the outlet of a...Ch. 33 - A tankless water-heating system gets its heat from...Ch. 33 - How much of the sun's energy actually reaches the...Ch. 33 - The varying intensity of the sun's energy that...Ch. 33 - Drain-down systems would best be used in which...Ch. 33 - Why are solar systems intended to be used as a...
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.Similar questions
- Multiple-zone systems often use a(n) __________or a(n)___________to alleviate the problem of excess air when only some zones are calling for conditioning.arrow_forwardWhich process would best represent the opposite ofexhausting air from a system?A. CoolingB. VentilatingC. HeatingD. Filteringarrow_forwardWhich list states the correct order of components for the absorption refrigeration? A) Evaporator, then absorber, then concentrator, then condenser. B) Absorber, then condenser, then evaporator, then concentrator. C) Condenser, then absorber, then concentrator, then evaporator.arrow_forward
- Not all HVAC system are required to seal and insulated. Which ducts are not required to be sealed and insulated? A. Exposed ducts on roof B. Aluminum ducts in either an attic or crawl space C. Supply and or return ducts located in the conditioned space D. Return ducts located in a ventilated attic spacearrow_forward10. A crankcase heater is used to warm a compressor to prevent the condensing of the crankcase. A. moisture inside B. moisture outside C. oil inside -D. refrigerant insidearrow_forwardFor forced draft counter flow cooling tower O a. fan is kept at top of cooling tower and air and water flow in same directions. O b. fan is kept at bottom of cooling tower and air and water flow in opposite directions. c. fan is kept at top of cooling tower and air and water flow in opposite directions. O d. fan is kept at bottom of cooling tower and air and water flow in same directions.arrow_forward
- What kind of circuit balancing valve is used in the hot and chilled water piping? a. balancing globe valve b. shut-off balancing valve c. pressure balancing valve d. pressure by-pass valvearrow_forwarda) Explain four factors in determining the comfort level for an air conditioning room.Suggest the typical value for those factors.arrow_forwardThe plenum-mounted humidifier is installed in the ____plenum. A. supply B. return C. supply or returnarrow_forward
- For a cooling tower, the drift loss means, a. water lost in the form of droplets b. leakge losses due to leakges c. water loss to control concentration of salt and other impurities. d. water lost in the form of evaporationarrow_forwardGIVE THE JOB OR OPERATION WHERE HIGH AIR HUMIDITY IS PRESENTarrow_forward5. Define moist airarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305578296/9781305578296_smallCoverImage.gif)
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Hydronics Step by Step; Author: Taco Comfort Solutions;https://www.youtube.com/watch?v=-XGNl9kppR8;License: Standard Youtube License