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 37, Problem 14RQ
To determine
Whether the statement is true or false.
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The approach temperature for the evaporator isA. the difference between the suction and head pressuresconverted to temperature.B. the difference between the refrigerant boiling temperatureand the suction-line temperature.C. the difference between the refrigerant boiling temperatureand the inlet water temperature.D. the difference between the refrigerant boiling temperatureand the leaving-water temperature.
In the induced draft cooling tower, the fan forces the air through the
tower.
True
False
The evaporator is also known as the cooling coil, because the purpose of the evaporator is to absorb heat
Chapter 37 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 37 - Name five changes that are made to air to...Ch. 37 - The two ways that fresh air enters a structure are...Ch. 37 - Which of the following types of fan is used to...Ch. 37 - True or False: Turbulence in airflow causes...Ch. 37 - Name two types of blower drives.Ch. 37 - Pressure in ductwork is expressed in which of the...Ch. 37 - What is a common instrument used to measure...Ch. 37 - Prob. 8RQCh. 37 - Name the two types of return-air systems in...Ch. 37 - What is the component that distributes air in the...
Ch. 37 - Warm air heats a room better if distributed A. low...Ch. 37 - Name four materials used to manufacture duct.Ch. 37 - The name of the fitting where the branch line...Ch. 37 - Prob. 14RQCh. 37 - Prob. 15RQCh. 37 - Prob. 16RQCh. 37 - Multiple-zone systems often use a(n) __________or...Ch. 37 - Prob. 18RQCh. 37 - Prob. 19RQCh. 37 - Prob. 20RQCh. 37 - If a rectangular duct system s (12in.26in.) has an...Ch. 37 - The equivalent feet of pressure drop for a group...
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- Which process would best represent the opposite ofexhausting air from a system?A. CoolingB. VentilatingC. HeatingD. Filteringarrow_forwardWhat is the purpose of the cooling tower in a water-cooled system?arrow_forwardWhat is the evaporator coil-to-air relationship when compressor is not running?arrow_forward
- The type of steady flow system in which, two streams of fluids m1 and m2 are entering and one stream of fluid m3 is leaving, is known as O a. Turbine O b. Nozzle Oc. Mixing chamber O d. Compressorarrow_forwardWhat kind of circuit balancing valve is used in the hot and chilled water piping? a. balancing globe valve b. shut-off balancing valve c. pressure balancing valve d. pressure by-pass valvearrow_forwardIn cooling tower the blow down loss means a. the total water loss due to blowing of very fast air in cooling tower. b. the water loss due to leakges c. the water loss in the form of droplets d. the water loss to control impurities and saltsarrow_forward
- What should be done to prevent excessive deposits and buildup within the cooling system? Select one: a. Replace the coolant filter often b. Flush or replace coolant every year c. Use cold tap water when mixing antifreeze and water d. Use distilled water when mixing antifreeze and waterarrow_forwardAsap please 1. What is the use or importance of multi-split system and variable refrigerant flow in the restaurant? 2. What is the use and importance of variable refrigerant flow and variable refrigerant volume and chilled water system in mallarrow_forwardPipes of heating system in central heating system are two types: . O a. Come in and come out O b. Pumps and valves O c. Flow and returnarrow_forward
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