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 16, Problem 5RQ
Pneumatic air must
A. be clean and dry.
B. have very high pressure.
C. encompass a large volume.
D. be hot.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Technician A says that coolant hoses should be squeezed to check for hardening or softening. Technician B says that coolant hoses should be visually inspected for swelling and cracks. Who is correct?
which of the following set of meshes would be a proper selection for the surface tension analysis of a balloon?
When a u-tube (manometer) is connected to the atmosphere on one side and a pressurized tire on the other side, which is true? A. The height of the liquid on the tire side is higher due to more particle collisions with the liquid. B. The height of the liquid on the tire side is lower due to more particle collisions with the liquid. C. The height of the liquid on the tire side is higher due to fewer particle collisions with the liquid. D. The height of the liquid on the tire side is lower due to fewer particle collisions with the liquid
Chapter 16 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 16 - True or False: Pneumatic controls are...Ch. 16 - Pneumatic controls are operated by A. water. B....Ch. 16 - One advantage of a modern control system is A....Ch. 16 - A control loop contains _______, _______, and...Ch. 16 - Pneumatic air must A. be clean and dry. B. have...Ch. 16 - The air supplied to a diaphragm is 20 psig, and...Ch. 16 - When a large volume of air is needed at a...Ch. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - An analog control signal A. has an infinite number...
Ch. 16 - Another term used to describe sensitivity in...Ch. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - One of the major components of a residential...Ch. 16 - Prob. 15RQCh. 16 - Describe a control device, and give three examples...Ch. 16 - Describe what a sensor does in a DDC system used...Ch. 16 - What is the difference between an active and a...Ch. 16 - A control system consists of what three basic...Ch. 16 - List six advantages that DDC control systems have...Ch. 16 - Describe the difference between the analog and...Ch. 16 - Describe the difference between an open-loop and 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
- FLAKABLE LIQUID 3. One precaution that needs to be foliowed in a work area displaying the sign shown above is wear a leather apron. b. avoid using solvents. C. wear rubber gloves. d. prohibit welding. a.arrow_forwardConclusion about Type of degree Thermometerarrow_forwardCoolant hoses are being discussed. Technician A states that many manufacturers recommend coolant hose replacement on a maintenance schedule. Technician B states that coolant hoses can fail prematurely due to contamination by oil. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forward
- Three general types of air cleaners are_______. _____, and _____.arrow_forwardTechnician A says that the same hydrometer can be used for both ethylene glycol and propylene glycol coolants. Technician B says that some hydrometers include a thermometer to compensate the reading based on coolant temperature. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardTwo technicians are discussing a coolant drain and refill. Technician A says that draining the coolant removes all coolant from the system. Technician B says that any trapped air in the system will bleed itself out automatically. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
- The flow pattern can be controlled by which equipment or part of the vessel?A. BafflesB. ImpellersC. Baffles and impellersD. None of these.arrow_forwardTwo techs are discussing oil coolers. Technician A says that when inspecting oil- to-water type coolers, look for mixing of the fluids: oil in the coolant, and coolant in the oil. Technician B says that when inspecting oil-to-air type coolers, look for oil in the coolant only. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardA window is 2 feet 7 inches across. What is the largest width air conditionerin inches that will fit in that window?arrow_forward
- Capsule is used for measuring flow rate. a. False b. Truearrow_forwardA technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and the cooling system pulled into a vacuum when cold. Technician A states that a leak in the surge tank could be the cause. Technician B states that the radiator cap is most likely defective. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forwardFor 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_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 LearningWelding: Principles and Applications (MindTap Cou...Mechanical EngineeringISBN:9781305494695Author:Larry JeffusPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Welding: Principles and Applications (MindTap Cou...
Mechanical Engineering
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Cengage Learning
Physics - Thermodynamics: (21 of 22) Change Of State: Process Summary; Author: Michel van Biezen;https://www.youtube.com/watch?v=AzmXVvxXN70;License: Standard Youtube License