Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Chapter 15, Problem 2RQ
Two categories ofelectric controls are_________and________.
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Chapter 15 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 15 - Name three types of automatic controls.Ch. 15 - Two categories ofelectric controls...Ch. 15 - What circuit is energized with the thermostat Y...Ch. 15 - The component in the system that is energized when...Ch. 15 - The ________terminal must be energized in the...Ch. 15 - The hot circuit in the thermostat is the...Ch. 15 - Is the heat anticipator in series or parallel with...Ch. 15 - The cooling anticipator is wired A. in parallel...Ch. 15 - Which anticipator is adjustable, heat or cool?Ch. 15 - True or False: The indoor fan must always run...
Ch. 15 - True or False: When the control transformer is not...Ch. 15 - Which of the following should be turned off while...Ch. 15 - The _______diagram is used to locate different...Ch. 15 - To trace the circuits in the unit, the...Ch. 15 - Prob. 15RQCh. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - True or False: Open switches will always read...Ch. 15 - Explain why a service technician must always know...
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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
- Another term used to describe sensitivity in electronic controls is A. temperature. B. gain. C. rpm. D. pressure.arrow_forwardSchematics are always drawn to show components in their de-energized or off state.arrow_forwardWhat is a Thermocouple: Select one: a. A Thermocouple is a temperature sensor that uses a small length of platinum wire that is trimmed to have particular resistance at specific temperature. b. A Thermocouple is a temperature sensor that consists of two wires of similar metals joined at one end. C. A Thermocouple is a type of resistor whose resistance varies with temperature. d. A Thermocouple is a temperature sensor that consists of two conducting wires of dissimilar metals joined at one end.arrow_forward
- II. Circuit Analysis The circuit below illustrates an electro-pneumatic system, answer the following questions: +34V 1 3 4 2 S2E Y1 5V Pneumatic circuit Electric circuit 1. What is the type of switch S1 and S2? 2. Is the electric circuit above direct or indirect? Explain why? 3. What is the name of the part which labeled as Y1? 4. Explain what happen when switch S1 is pressed. 5. Suggest a way to extend the cylinder, and what do you think is the application of this type of circuit? 4,arrow_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_forward11). Controllers can be divided into _____________ type, and _____________ type controllers due to their different design methods.arrow_forward
- Case #1: A 10 -story office building has an electrical system with an automatic switch of 200 amps on the main panel. On the 6th floor, an employee brings a high coffee machine Power that makes the diliters constantly shoot. The building manager worries about the impact that this could have in other tenants of the building and decides that You need a solution. What is the best solution to solve this problem?arrow_forwardExplain how the pneumatic system works.arrow_forwardExplain about the close loop control of the Process (Pressure control systems) with a neat diagram.arrow_forward
- 1) What is the name for 2, 3, 4 and 5 respectively in the below fig.? 2) What is the function of this circuit? And describe its working principle briefly.arrow_forwardDefine how a perpetual-motion machine that violates the first law of thermodynamics (PMM2).arrow_forwardIn motor controls, what is chattering or “machine gunning,” and why do we want to prevent it?arrow_forward
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