Week 5 Fun

CO₂ is commonly known as 

• oxygen
• carbon monoxide
• carbon dioxide
• nitrogen

. CO₂ in the solid form is referred to as 

• dry ice
• carbon dioxide
• frozen gas
• solid gas

 

3. Which of the following is a major challenge associated with transport refrigeration? 

• Maintaining consistent temperature
• Lack of proper ventilation
• Limited storage capacity
• High energy consumption

The process of sublimation is most associated with  

• liquid to gas
• gas to liquid
• solid to gas
• solid to liquid

For safety purposes, the maximum pressure of a liquid nitrogen tank used in conjunction with truck refrigeration systems is 

• 50 psi
• 30 psi
• 10 psi
• 25 psi

A eutectic or brine solution can best be described as a(n) 

• water / ammonia solution

• mixture with no melting point
• mixture with a moderate melting point
• mixture with the highest possible melting point

Transport refrigeration encompasses movement of refrigerated products by ( select all that apply)

• N/A
• By sea
• By air
• By land

In a truck refrigeration system, the air coming off the evaporator is typically directed 

• to the truck's fuel tank
• to the truck's exhaust system
• to the truck's engine
• from the ceiling to the truck's cargo area

The process of transporting a refrigerated truck on a railroad flat car is called 

• refrigerated shipping
• railway transportation
• truck transfer
• piggybacking

Flash-freezing is accomplished at temperatures of approximately 

• -60 to -70 degrees Celsius
• -40 to -50 degrees Celsius
• 0 to 10 degrees Celsius
• -10 to -20 degrees Celsius