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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Textbook Question
Chapter 5, Problem 19RQ
Why would a technician use an electronic charging scale?
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Chapter 5 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 5 - _________and _________are two types of screwdriver...Ch. 5 - Five different types of wrenches are_____,_____,...Ch. 5 - Give an examples of a use for a nut driver.Ch. 5 - List four different types of pliers.Ch. 5 - Describe two types of benders for soft tubing.Ch. 5 - A wiring and crimping tool is used to A. crimp...Ch. 5 - A flaring tool is used to A. cut copper tubing. B....Ch. 5 - A vacuum pump is used to A. remove contaminants...Ch. 5 - Two types of refrigerant leak detectors are...Ch. 5 - List the components usually associated with a...
Ch. 5 - List three types of thermometers.Ch. 5 - For what type of soldering is a soldering gun...Ch. 5 - An air-acetylene unit is used for _______ and...Ch. 5 - Prob. 14RQCh. 5 - When are air velocity measuring instruments used?Ch. 5 - Describe the purpose of CO2 and O2 indicators.Ch. 5 - What is the purpose of a draft gauge?Ch. 5 - Prob. 18RQCh. 5 - Why would a technician use an electronic charging...Ch. 5 - Why is it necessary to recover refrigerant?
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- Describe how an amperage reading would be taken using a clamp-on or clamp-around ammeter.arrow_forwardMeasuring Thickness of the Sheetmetal is possible with the following device Select one: a. Steel gauge b. Circumference Rule gauge c. Folding Rule d. Sheet metal gaugearrow_forwardMULTIPLE CHOICE -The answer is one of the options below please solve carefully and circle the correct option Please write clear .arrow_forward
- 6- Which one of the following is used as a recorder in measurement system? a. LVDT b. Digital Meter c. Moving Coil meter d. Digital Printerarrow_forward2.A. You can usually check for a leak in a vacuum system by looking at or feelingA. at the exhaust of the vacuum pump.B. at the vacuum gauge at the vacuum pump.C. for signs of dirt on the piping. 2.B. When you measure the voltage drop across a set of contacts, you'reA. checking the quality of the contact set.B. sensing how much current is flowing in the circuit.C. measuring the equivalent motor resistance. 2.C. A chain-drive system can be aligned easier than a belt-drive system since the chain-drive systemA. can have a string left on the sprockets after the alignment is complete.B. can have the chain removed while the final alignment is taking place.C. is less critical to misalignment.arrow_forwardDescribe the operation of a Bourdon Tube pressure gauge and bellows type pressure gauge?arrow_forward
- According to Table 2-2, what gauge wire size would be needed for a power tool that has a nameplate amperage of 9 and a cord length of 100 ft?arrow_forwardWhy should a technician not file the rough surface on the contractors contactsarrow_forwardSketch and explain the working principle, parts, types and application of a Dial Test Indicatorarrow_forward
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