Aux 1 Unit 6 Q4

1 / 6

What is the primary purpose of a fusible plug in an air compressor system?

D) To filter impurities from the air

A) To maintain consistent air pressure

C) To increase the efficiency of the compressor

B) To prevent overheating by releasing air in the event of high temperatures

2 / 6

What happens when a bursting disc in an air compressor system operates?

C) The disc reseals itself after releasing some pressure

A) The disc releases air to prevent overpressure, permanently rupturing and requiring replacement

D) The air temperature is automatically adjusted

B) The compressor automatically shuts down

3 / 6

Under what circumstances does a bursting disc in an air compressor system operate?

C) When the air temperature is too low

B) When the system pressure exceeds the design pressure limit

D) When the compressor motor is overloaded

A) When the compressor’s oil level is too low

4 / 6

Where is a bursting disc typically located in an air compressor system?

B) On the high-pressure side of the system, such as the discharge line or air receiver

A) On the compressor's electrical panel

C) On the low-pressure intake side

D) On the compressor’s oil filter

5 / 6

Under what circumstances does a fusible plug in an air compressor system operate?

B) When the temperature reaches a specific threshold due to overheating

C) When the compressor reaches its maximum speed

D) When there is excessive moisture in the compressed air

A) When the air pressure exceeds a safe limit

6 / 6

Where is a fusible plug typically fitted in an air compressor system?

B) On the intercooler or air receiver, where the risk of overheating is high

D) On the motor housing

C) On the suction side of the compressor

A) On the discharge line

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