Electricity for Refrigeration, Heating, and Air Conditioning
9th Edition
ISBN: 9781285179988
Author: Russell E. Smith
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 20RQ
An in-line ammeter must be connected to a circuit in _____.
- a. series
- b. parallel
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Chapter 4 Solutions
Electricity for Refrigeration, Heating, and Air Conditioning
Ch. 4 - What are the three most common electric meters...Ch. 4 - Prob. 2RQCh. 4 - What do most analog meters use to facilitate the...Ch. 4 - How does an ammeter work?Ch. 4 - What are the two types of ammeters? Which type is...Ch. 4 - Prob. 6RQCh. 4 - How can a very small ampere draw be measured with...Ch. 4 - If a conductor was wrapped around the jaws of a...Ch. 4 - Explain the operation of an analog voltmeter.Ch. 4 - Air-conditioning or refrigeration equipment can...
Ch. 4 - Prob. 11RQCh. 4 - What precaution should be taken when using an...Ch. 4 - Prob. 13RQCh. 4 - What is a short circuit?Ch. 4 - Prob. 15RQCh. 4 - What factors should be considered when purchasing...Ch. 4 - Match the following terms.Ch. 4 - Prob. 18RQCh. 4 - Prob. 19RQCh. 4 - An in-line ammeter must be connected to a circuit...Ch. 4 - What is the difference between an analog meter...Ch. 4 - Give three advantages of a digital electric meter.Ch. 4 - What basic concept is used in a digital meter to...Ch. 4 - What is the basic accuracy of most analog and...Ch. 4 - How many digits will the 312- and 412-digit...Ch. 4 - Prob. 26RQCh. 4 - The ohmmeter differs from other types of meters in...Ch. 4 - Compare the digital and analog types of electric...
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- Which of the following is an example of digital transducer ? O a. LVDT O b. Encoder O c. Thermistor O d. Thermocouplearrow_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_forwardThe common form of a variable area flowmeter is called _____. a. orifice plate b. venturi c. rotameter d. bourdon tube An indicator that takes an analogue input from one transducer and turns it into an on-off signal for other indicator is called _______. a. digital meter b. data logger c. moving coil meter d. alarm Which of the following is not a requirement in determining the control system performance? a. forced response b. time response c. frequency response d. steady-state accuracy _________ is a logic gate that will give a high output if all the inputs are high, and a low output if anyone of the input is low. a. AND b. NOR c. NAND d. ORarrow_forward
- MULTIPLE CHOICE -The answer is one of the options below please solve carefully and circle the correct option Please write clear .arrow_forwardAn open winding or a shorted winding can be determined with which of the following instruments? A. Voltmeter B. Ammeter C. Ohmmeterarrow_forwardwhats a multimeterarrow_forward
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