40 Questions
Which component of a refrigerator holds the liquid refrigerant that becomes vapor as it winds through the coils?
Evaporator
What is the primary function of the condenser in a refrigeration system?
To convert the refrigerant from gas to liquid
Which component regulates the flow of refrigerant between the high-pressure and low-pressure sides of the refrigeration system?
Expansion valve
What is the purpose of the fins surrounding the evaporator and condenser coils?
To increase the surface area for heat transfer
Which type of air circulation system is designed to take air from above the top shelf and discharge it below the bottom shelf?
Mullion-type
What can cause small, cloudy, or broken ice cubes in an ice maker?
Insufficient water pressure
How should you clean and sanitize the machine to prevent dirty ice?
Washing with a neutral cleanser and thorough rinsing
What maintenance step should be performed on air-cooled models at least twice a month?
Monitoring the air filter
Why should you never use the ice bin to store food or beverages?
It may contaminate the ice with bacteria
What should be done if blocks of ice are stuck to the bottom of the bin?
Consult a professional repair service
What is the purpose of a walk-in cooler?
To have a large enough space to walk into for storage
How often should coils in a refrigeration system ideally be cleaned?
Every 90 days
What is the function of a roll-in refrigerator?
To allow carts to be rolled in and out for storage
Why is it important to keep containers from touching the walls of a refrigerated cabinet?
To prevent condensation on the containers
Which type of cooler is typically large enough for carts to be rolled in and out?
Roll-ins
What is the ideal ice output per customer for cocktail lounges?
3.0 pounds
Why is it unsanitary to rest ice containers in stacks?
It leads to contamination of the ice
How should ice scoops be stored to maintain sanitation?
By hanging them outside the machine
What is the correct method for employees to handle ice without contamination?
Wearing clean disposable gloves
Why is it important for employees to wash their hands before handling ice?
To avoid contamination of the ice
What is the main function of a hand truck (dolly) according to the text?
Supporting and moving heavy items
Which type of shelves is described as 'easy to clean and extremely sturdy' in the text?
Flat or solid shelves
How does cold, as defined in the text, relate to heat?
Cold is the absence of heat
What is a key factor for temperature reduction in a refrigeration system?
Compressor operation
Which component is responsible for transferring heat out of an enclosed space in a refrigeration system?
Condenser
What is the purpose of a utility cart mentioned in the text?
To transport dishes and cleaning supplies
Why is drift, as mentioned in the text, a concern for digital scales?
It indicates a temperature issue or static electricity source
Which type of scale is a strong control point for a smart operation according to the text?
Dial-type counter scale
What is the primary function of pallets based on the information provided in the text?
To provide a platform for stacking and storing products
Why do digital scales not perform well under extreme temperature conditions?
Temperature affects the digital readout leading to drift
Which of the following is a potential cause of lack of ice production in an ice machine?
The electric circuit breakers being turned off
How can melting ice cubes in the bin be prevented?
Keep the ice machine level and the drain unclogged
What should be done if the sensor inside the ice bin seems loose?
Tighten the sensor
What can cause partial or incomplete ice cube formation?
Clogged condenser fins
How often should the condenser fins be inspected and cleaned?
Every three months
What is the purpose of cleaning the condenser fins?
To improve the efficiency of the refrigeration system
Which component of an ice machine should be cleaned regularly with a brush or vacuum cleaner?
The condenser
What can cause a reduction or interruption in the ice-making cycle?
All of the above
Which of the following statements is true about the fins on the condenser?
They should be visible through the condenser housing
What should be done if the ice machine is a self-cleaning model but not producing ice?
Ensure the machine is set to make ice instead of clean
Learn about the key components of an air conditioning system including the evaporator, condenser, compressor, and expansion valve. Understand how each part plays a role in the cooling process.
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