Refrigeration and Pressure Gauge Quiz

Which of the following is a type of refrigerant cylinder?

• Storage cylinders

• Pressure cylinders

• Vacuum cylinders

• Hydraulic cylinders

What is the purpose of a fusible plug?

• To burst under pressure

• To open at low pressure

• To melt under high temperature

• To remain solid at all temperatures

What is the primary function of pressure release protective devices?

• To increase pressure

• To maintain constant temperature

• To release excess pressure

• To measure pressure

Which of the following is NOT a reason for cylinder regulations?

• Ensure technician safety

• Increase cylinder weight

• Prescribed by DOT

• Inspection and recertification

What is the primary use of the storage cylinders in the shop?

• To store water

• To charge refillable cylinders

• To transport goods

• To store food

What is the purpose of the protective cap on the storage cylinder?

• To prevent leaks

• To prevent damage to the valve

• To make it easier to carry

• To keep it clean

What is the recommended method for moving cylinders more than 35 lb (16 kg)?

• Use a hand truck

• Carry by hand

• Use a forklift

• Roll on the ground

How should a cylinder be secured when moving it?

• With a rope

• With a chain

• With a strap

• With a bungee cord

Which of the following is NOT a feature of disposable cylinders?

• Designed for one usage only

• Easy to handle

• Refillable

• Used to charge refrigerant

What is the color of the cylinder labeled "134a"?

• Red

• Blue

• Green

• Orange