CHILLER SYSTEM - Practice Mode

Add water to brine Add glycol to brine Reduce concentration Increase salt concentration

Correct Answer: Increase salt concentration

Moisture in oil Dirty drier filter Low pressure of oil Liquid refrigerant in oil

Correct Answer: Moisture in oil

Suction pressure rises Discharge pressure decreases Compressor oil level falls down Compressor oil level increases

Correct Answer: Compressor oil level falls down

In oxy acetylene welding Acetylene gas is closed first to avoid back fire.

High oil level Liquid refrigerant entry Shortage of refrigerant Air entered into system

Correct Answer: Liquid refrigerant entry

Over charge Under charge High condensing pressure Partial blocking of filter drier

Correct Answer: Partial blocking of filter drier