Enncon Synergies
SentinelOne Interview Questions and Answers
Q1. Working principle of Air conditioning system?
Air conditioning systems work by removing heat from indoor air and transferring it outside, cooling the air in the process.
Air conditioning systems use refrigerant to absorb and release heat.
The refrigerant circulates between the indoor and outdoor units, absorbing heat indoors and releasing it outdoors.
The indoor unit blows air over cold coils to cool it, then circulates the cooled air throughout the space.
The outdoor unit releases the absorbed heat outside, completing the c...read more
Q2. What is air conditioning system?
An air conditioning system is a technology that cools and dehumidifies indoor air for comfort and/or to maintain a specific temperature.
Air conditioning systems use refrigerants to absorb and release heat.
They consist of components such as compressors, condensers, evaporators, and expansion valves.
Examples include central air conditioning systems, window units, and split systems.
Q3. What is AHU and How it Work?
AHU stands for Air Handling Unit. It is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning (HVAC) system.
AHU is responsible for filtering, heating, cooling, humidifying, dehumidifying, and distributing air throughout a building.
It typically consists of a blower, heating or cooling elements, filters, dampers, and sound attenuators.
Examples of AHU include rooftop units, packaged units, and ducted split systems.
Q4. What is sensible and latent heat?
Sensible heat is heat that causes a change in temperature, while latent heat is heat that causes a change in state.
Sensible heat is the heat that can be felt and measured with a thermometer.
Latent heat is the heat absorbed or released during a change of state without a change in temperature.
Examples of latent heat include the heat absorbed during evaporation of water or the heat released during condensation of steam.
Q5. Do you know how to make heat load sheet?
Yes, a heat load sheet is a document used to calculate the amount of heating or cooling required for a space.
Gather information on the building's dimensions, insulation, windows, and occupancy
Calculate the heat gain or loss from each component using relevant formulas
Sum up the total heat load to determine the HVAC system capacity needed
Include factors like climate, equipment, and ventilation in the calculations
Q6. Types of Chiller?
Types of chillers include air-cooled chillers, water-cooled chillers, absorption chillers, and centrifugal chillers.
Air-cooled chillers use air to remove heat from the refrigerant.
Water-cooled chillers use water to remove heat from the refrigerant.
Absorption chillers use a heat source to drive the refrigeration cycle.
Centrifugal chillers use a rotating impeller to compress the refrigerant.
Q7. Full form of HVAC
Heating, Ventilation, and Air Conditioning
HVAC stands for Heating, Ventilation, and Air Conditioning
It is a system used to provide heating and cooling services to buildings
HVAC systems control the temperature, humidity, and air quality in a building
Examples of HVAC equipment include furnaces, air conditioners, and ventilation systems
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