#1
Which component is responsible for absorbing heat from the building's air in a chilled water system?
Chiller
Cooling tower
Evaporator
Condenser
#2
What is the function of a chiller in a chilled water system?
To circulate chilled water
To generate electricity
To cool the refrigerant
To absorb heat from the water
#3
What is the typical operating temperature range of chilled water in a chilled water system?
0-10°C
10-20°C
20-30°C
30-40°C
#4
What does COP stand for in the context of a chiller's performance?
Coefficient of Performance
Cooling Output Power
Condenser Operating Pressure
Chiller Operating Principle
#5
Which of the following is NOT a typical component of a chilled water system?
Expansion tank
Pump
Fan coil unit
Boiler
#6
What is the purpose of an expansion tank in a chilled water system?
To store extra water
To maintain system pressure
To increase chiller efficiency
To regulate water temperature
#7
What is the purpose of a bypass line in a chilled water system?
To increase flow rate
To decrease system pressure
To allow water to bypass certain components
To regulate temperature
#8
Which refrigerant type is commonly used in modern chilled water systems?
#9
What is the role of a strainer in a chilled water system?
To cool the water
To remove debris and dirt from the water
To pressurize the system
To increase chiller efficiency
#10
In a primary-secondary chilled water system, what is the function of the primary loop?
To circulate chilled water to the loads
To circulate condenser water to the chiller
To circulate chilled water to the chiller
To circulate chilled water to the cooling tower
#11
In a chilled water system, what is the function of a cooling tower?
To cool the chilled water
To heat the chilled water
To pressurize the system
To regulate the flow rate
#12
Which factor primarily determines the size of a chiller in a chilled water system?
Building height
Building area
Cooling load
Number of occupants
#13
What is the purpose of a chilled water buffer tank in a chilled water system?
To store excess chilled water
To increase system pressure
To regulate water temperature
To reduce chiller cycling
#14
Which of the following is a common control strategy used in chilled water systems to optimize energy efficiency?
Constant speed pumping
Variable primary flow
Constant flow rate
On/off chiller operation
#15
What is the role of a differential pressure transmitter in a chilled water system?
To measure pressure drop across components
To control flow rate
To monitor water temperature
To regulate chiller operation
#16
In a variable primary flow chilled water system, what is the primary purpose of varying the flow rate?
To increase chiller efficiency
To maintain constant flow rate to loads
To minimize energy consumption
To balance system pressure