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
Videos
Textbook Question
Chapter 16, Problem 10RQ
An analog control signal
A. has an infinite number of control steps.
B. is very limited in the number of control steps.
C. makes a hissing noise when the position is changed.
D. is not used in this industry.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
6
Identify the system which is unreliable.
a.
Open loop and closed loop System
b.
Open loop System
c.
None of the above
d.
Closed loop system
Pneumatics
give 3 examples of automatic control systems using the open loop idea.
The final control element in a
closed loop control system is
known as
correction element
megsurement element
O comparison element
process
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
- 5-c)Explain the role of feed back signal and error signal in a closed-loop control systemarrow_forward24- Identify the output device which is connected to a controller in which all the control actions are performed by a microcontroller. a. Strain gauge b. Valve c. LVDT d. Proximity switcharrow_forwardChoose the statements that best describe an on/off pressure control system. a. valve position is either fully on or fully off b. can cause rapid switching of valve positions c. maintains pressure between upper and lower limits d. valve position is between fully on or fully off e. maintains pressure at a specified setpoint f. uses a controller with tuning parametersarrow_forward
- If the load disturbances in flow control systems are rapid and enought to cause the system to oscillate, an integral control may be added to provide immediate response. a. Trueb. Falsearrow_forwardcontrol system answer step by steparrow_forwarda.explain how a flyball governor works and its relationship to control system. b.Give two practical and personal experience which you have encountered which is considered to be a control system.Give one example for each open loop systems and closed loop systemsarrow_forward
- In _______________________________ type control system ,the comparison and control are done by using digital devices. a. Direct Digital Control b. Numerical Control c. Distributed Control System d. Sequential Controlarrow_forwardBellows are example of a. elastic transducer b. differential pressure transducer c. turbine transducer d. pneumatic transducer The element in a measurement system that takes information about the variable being measured and transforms it into a more suitable form is called_______. a. transducer b. signal conditioner c. display d. signal converter _____________ is intended to diagnose an impending breakdown. a. Repair b. Testing c. Servicing d. Inspection ___________ is known as the final control element of a control system. a. measurement element b. comparison element c. process d. correction elementarrow_forwarda) Which type of control system is used in the given block diagram .Write the definition . Potentiometer Stepper to give a voltage signal motor Belt drive for the set Micro- Drive ADC processor circuit value of position Tool Feedback signal Potentiometerarrow_forward
- 5 Discussion 1- What is the advantage of ADM? 2- Compare between DM&ADM? 3- What is the purpose of transmitting synch. Signal? 4- What is the effect of step size on ADM?arrow_forward1. A mixing vat has an inlet valve, an outlet valve, a mixing motor, and a single level detecting switch (Figure 1). Both valves are opened by solenoids. The level switch closes when the vat is full and stays closed until the vat is empty. Draw a PLC ladder logic diagram and provide the allocation list to do the following: a. When the start button is pushed, the inlet valve opens until the vat is full. b. The mixer motor comes on for 5 min. c. The outlet valve opens until the vat is empty. (closed) Level switch Motor Inlet valve Outlet valve Float Vat Figure 1arrow_forward...... is an example of Primary Sensing Elementarrow_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
Understanding Motor ControlsMechanical EngineeringISBN:9781337798686Author:Stephen L. HermanPublisher:Delmar Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Understanding Motor Controls
Mechanical Engineering
ISBN:9781337798686
Author:Stephen L. Herman
Publisher:Delmar Cengage Learning
The Robot Revolution: The New Age of Manufacturing | Moving Upstream; Author: Wall Street Journal;https://www.youtube.com/watch?v=HX6M4QunVmA;License: Standard Youtube License