Bry-Air (Asia) Interview Questions and Answers

Identifying primary or secondary seal problem in case of mechanical seal leakage.

• Check the location of the leakage to determine if it's the primary or secondary seal

• Primary seal leakage occurs on the product side while secondary seal leakage occurs on the atmospheric side

• Inspect the seal faces for wear and damage to identify the root cause of the leakage

• Check the seal flush and quench connections for blockages or impro...read more

VFD is a device used to control the speed of an electric motor by varying the frequency and voltage supplied to it.

• VFD stands for Variable Frequency Drive

• It converts AC power to DC power and then back to AC power at a variable frequency and voltage

• It allows for precise control of motor speed and energy savings

• Examples of VFD applications include HVAC systems, pumps, and conveyor belts

Screw and Centrifugal Chillers are two types of chillers used in HVAC systems. The basic difference lies in their compression technology.

• Screw Chillers use a rotary screw compressor to compress the refrigerant gas while Centrifugal Chillers use a centrifugal compressor.

• Screw Chillers are more efficient at part-load conditions while Centrifugal Chillers are more efficient at full-load conditions.

• Screw Chillers are suita...read more