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WorksheetsChiller Plant Monitoring
Total questions: 20
Worksheet time: 13mins
What is the purpose of chiller maintenance?
To reduce equipment lifespan
To reduce damage
To reduce system's efficiency
To reduce safety measures
There are many types of maintenance. Choose the false answer.
Repair
Prevention
Unplanned
Periodically
Which of the following is an annual maintenance?
Which of the following is a monthly chiller maintenance?
Which of the following figure is doing a leak test on the chiller system?
What is the name of the equipment shown?
Tube cleaning machine
Pump down machine
Vacuum machine
Nitrogen machine
What is the function of the accessory shown?
To entrap foreign substance in liquid or gas in the chiller system
To entrap gas in the chiller system
To entrap water in the chiller system
To entrap air in the chiller system
What is the name of the accessory shown?
Y-strainer
Main oil filter
Filter core
Compressor oil filter
Describe the term 'overhaul' of chiller system.
DISASSEMBLING THE CHILLER SYSTEM TO ENSURE A LONGER MACHINE LIFE
DISASSEMBLY OF THE CHILLER SYSTEM TO REMOVE FOREIGN MATERIALS
COMPLETE DISASSEMBLY OF THE UNIT THAT OCCURS ACCORDING TO THE MANUFACTURER'S SPECIFICATIONS
DISASSEMBLING THE MACHINE TO PERFORM MAINTENANCE
What does QE from the video represent?
Heat from condenser
Heat from compressor
Heat in evaporator
Heat from fan motor
Based on the video shown, arrange the chiller component accordingly. (AHU/FCU, Compressor. Evaporator, EXV, Condenser)
Based on the video shown, what is the purpose of chilled water reset?
To allow the temperature of the chilled water to be increased during part load conditions
To allow the chiller to perform more efficiently at part load conditions
To reduce energy consumption by 9%
To allow the temperature of the chilled water to be reduced during part load conditions
Based on the video shown, what is the purpose of condenser water reset?
To allow the chiller efficiency to be increased by 1-2% per degree C
To allow the temperature of the condenser water to be reduced during part load conditions
To allow the temperature of the condenser water to be increased during part load conditions
To increase the speed for variable volume systems, to meet the cooling load
To establish waterflow, the gauge are installed on the pressure ports of a chiller
True
False
A proper flushing of Air-cooled condenser coil needs to be conducted after chemically cleaning it.
True
False
Oils spots around the chiller system indicates that there is a leakage.
True
False
The first step in starting the chilled water system is to start the compressor.
True
False
Compressor conditions can be determined by an oil sample
True
False
Which best describes the chiller field control circuit
To start the fans and pumps in proper sequence
To start and stop the control procedure before compressor
Is often called an interlock system
All of the above
Why do water cooled chillers need water treatment?
To increase PH content
Minimize mineral and algae deposits
To decrease PH content
Help preheat the water in the condenser circuit
