Refrigeration Unit Inspection Quiz

What should the engine oil pressure register at high speed during the After Start Inspection?

• Below 20 psi (138 kPa)

• Between 20-30 psi (138-207 kPa)

• Higher than 40 psi (276 kPa)

• Exactly 50 psi (345 kPa)

What should be done if the engine fails to start after the cranking cycle begins?

• Turn off the unit and wait for 10 minutes

• Push the reset button and repeat the starting procedure

• Check the fuel level and add more fuel

• Call for technical support immediately

What is the purpose of pre-cooling the trailer?

• To increase the trailer temperature

• To remove residual body heat and moisture from the trailer interior

• To test the thermostat setting

• To check the oil pressure

What should be done before opening the doors to load the product?

• Ensure the unit is ON

• Ensure the unit is OFF

• Adjust the thermostat to the highest setting

• Check the oil pressure

What should be checked during the Post Trip Checks?

• Oil pressure

• Thermostat setting

• Physical damage to the unit

• Refrigerant level

What should be done if the trailer temperature has dropped below 37 F (2.8 C) after loading?

• Increase the thermostat setting

• Turn off the unit

• Defrost the unit by pressing the Manual Defrost switch

• Open the doors to let warm air in