Trane TRG-TRC012-EN Quiz

44 TRG-TRC012-EN

Questions for Period 1

1What components of the helical-rotary compressor are used to compress

the refrigerant?

2What are the 2 functions of the oil supply system presented in this clinic?

3In a flooded shell-and-tube evaporator, is the refrigerant flowing inside or

outside of the tubes?

4Name 2 types of expansion devices commonly found in helical-rotary water

chillers.

Questions for Period 2

5Using the pressure-enthalpy diagram in Figure 63, identify the following

processes of the helical-rotary water chiller’s refrigeration cycle:

a) ➀ to ➁

b) ➁ to ➄

c) ➄ to ➅

d) ➆ to ➀

6Referring again to Figure 63, after the vapor is removed in the liquid/vapor

separator, to which point in the refrigeration cycle does it travel?

pressure

enthalpy

Figure 63

Quiz

Contents

Main Page Preface A Trane Air Conditioning Clinic Contents Page Introduction Chilled Water System helical-rotary absorption centrifugal Introduction water-cooled air-cooled Helical-Rotary Water Chillers period one period one Helical-Rotary Water Chiller Compressor Page Page Page Oil Separator Oil Separator Oil Supply System notes Condenser Condenser Expansion Device Electronic Expansion Valve Liquid/Vapor Separator Orifice Plates Liquid/Vapor Separator notes Evaporator Flooded Evaporator Direct Expansion Evaporator Controls and Starter Controls And Starter period two Refrigeration Cycle period two notes p-h) PressureEnthalpy ( liquid vapor Refrigeration Cycle Refrigerants Thermodynamic Characteristics period three period three Slide Valve Full Load Part Load Unloading Slide Valve Operation period four period four Maintenance Considerations ASHRAE Guideline 3 Page Mechanical Components Heat Transfer Surfaces notes Fluid Analysis period five Air-Cooled or Water-Cooled Condensing period five Air-Cooled or Water-Cooled water-cooled Comparison air-cooled notes Condensing Temperature Control Condensing Temperature Control Cooling Tower Bypass Constant or Variable Evaporator Water Flow Constant or Variable Flow Limitations Short Evaporator Water Loops Short Evaporator Water Loops Short Evaporator Water Loops Equipment Certification Standards ARI Standard 550/590 ARI Standard 550/590 40 Lets review the main concepts that were covered in this clinic on helical-rotary water chillers. period six ReviewPeriod 1 period six ReviewPeriod 2 ReviewPeriod 3 ReviewPeriod 4 ReviewPeriod 5 Engineers Newsletter Quiz Questions for Period 1 Questions for Period 2 Quiz Questions for Period 3 Questions for Period 4 Questions for Period 5 Answers Page Glossary BUSINESS REPLY MAIL Comment Card Helical-Rotary Water Chillers Response Card