Almajal Alarabi Holding Hvac Mechanical Engineer Interview Questions and Answers

BMS commissioning involves testing and verifying the functionality of building automation systems. Troubleshooting is necessary to identify and resolve any issues.

• BMS commissioning involves verifying the functionality of HVAC systems, lighting, and other building automation systems.

• Testing is done to ensure that the systems are working as intended and meeting the design specifications.

• Troubleshooting is necessary to id...read more

Major problems in FCUs and AHUs include clogged filters, faulty motors, and leaky ducts.

• Clogged filters reduce airflow and decrease efficiency.

• Faulty motors can cause the unit to stop working or make loud noises.

• Leaky ducts can lead to energy waste and poor indoor air quality.

• Regular maintenance and inspections can prevent these issues.

• Proper installation and sizing of the unit is also important.

• Examples of common FCUs...read more

Compressor lubricants are essential for the proper functioning of HVAC systems. Their boiling point determines their effectiveness.

• Compressor lubricants are used to reduce friction and wear between moving parts in HVAC systems.

• The boiling point of a lubricant determines its ability to withstand high temperatures without breaking down.

• Lubricants with higher boiling points are more effective in high-temperature environme...read more