Diversey Interview Questions and Answers

I have handled three types of chillers: Screw, Centrifugal, and Scroll.

• I have experience working with Screw, Centrifugal, and Scroll chillers.

• I am familiar with the maintenance and operation of these types of chillers.

• For example, I have worked with a 200-ton Centrifugal chiller at my previous job.

Surge in centrifugal chiller is a condition where the flow of refrigerant is disrupted, causing a drop in pressure and flow rate.

• Surge can occur when the chiller is operating at low load or when there is a sudden change in load.

• It can cause damage to the compressor and other components of the chiller.

• Surge can be prevented by using surge control devices such as inlet guide vanes, variable speed drives, and surge tanks.

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const and volatile are keywords in C/C++ used to define constants and variables that can change unexpectedly.

• const keyword is used to define constants that cannot be changed during program execution

• volatile keyword is used to indicate that a variable may be changed unexpectedly, often by hardware or other threads

• const volatile is used when a variable is both constant and volatile, meaning it cannot be changed and may b