Schneider Electric Applications Engineer Interview Questions and Answers for Experienced

BMS stands for Building Management System. It is a computer-based control system that manages and monitors a building's mechanical and electrical equipment.

• BMS controls and monitors HVAC systems, lighting, security, fire alarms, and other building systems.

• It typically consists of sensors, controllers, communication networks, and user interfaces.

• Examples of BMS vendors include Siemens, Honeywell, and Johnson Controls.

Chillers are refrigeration systems that remove heat from a liquid via a vapor-compression or absorption cycle.

• Chillers are commonly used in industrial settings to cool equipment, machinery, and processes.

• They are also used in commercial buildings to cool air and maintain comfortable temperatures.

• Chillers can be found in data centers to prevent overheating of servers and other electronic equipment.

• In the food and bevera...read more

HVAC and BMS are essential for controlling heating, ventilation, and air conditioning systems in buildings.

• HVAC stands for heating, ventilation, and air conditioning, and is responsible for controlling the temperature, humidity, and air quality in a building.

• BMS stands for Building Management System, which is a computer-based control system that manages and monitors the building's mechanical and electrical equipment.

• In...read more

The number of systems that can be connected in a BACnet MSTP protocol network depends on factors like network speed, device types, and network topology.

• The maximum number of devices that can be connected in a BACnet MSTP network is typically limited to 127 devices.

• The actual number of systems that can be connected may vary based on the network speed and the types of devices being used.

• Factors like network topology, cab...read more

Safety interlock for AHU ensures safe operation by preventing access during operation.

• Safety interlock can be implemented using door switches to prevent access when AHU is running

• Emergency stop buttons can be installed to immediately shut down AHU in case of emergency

• Interlocks can be connected to the control system to automatically stop AHU if safety conditions are not met

Questions related to applications engineering including tolerance stack up, bearing preloading, material selection, force calculation, and costing.

• Tolerance stack up refers to the accumulation of variations in dimensions and tolerances of individual parts in an assembly.

• Bearing preloading is the application of a small amount of force to the bearing to remove any internal clearance and improve its stiffness.

• The choice b...read more