Carrier Interview Questions, Process, and Tips

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

Project management is the process of planning, organizing, and overseeing the execution of a project from start to finish.

• It involves defining project goals and objectives

• Creating a detailed project plan

• Assigning tasks and responsibilities to team members

• Monitoring progress and making adjustments as needed

• Ensuring that the project is completed on time, within budget, and to the satisfaction of stakeholders

SDLC stands for Software Development Life Cycle. It is a process used to design, develop and test software.

• SDLC is a framework that consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables that need to be completed before moving to the next phase.

• Projects handled include developing a web-based application for a heal...read more