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TPF Engineering
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I applied via Approached by Company and was interviewed before Feb 2022. There were 2 interview rounds.
The refrigeration cycle is a process that removes heat from a space and transfers it to the external environment.
The refrigeration cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.
The compressor compresses the refrigerant gas, raising its temperature and pressure.
The high-pressure refrigerant then flows to the condenser, where it releases heat to the surroundings and conden...
A chilled water system is a cooling system that uses chilled water to remove heat from a building or process.
Chilled water systems use water as a cooling medium.
They typically consist of a chiller, chilled water pumps, and a distribution system.
Chilled water is circulated through coils or heat exchangers to cool air or equipment.
Chilled water systems are commonly used in large commercial buildings, data centers, and in...
Types of pumps include centrifugal pumps, reciprocating pumps, and rotary pumps.
Centrifugal pumps use centrifugal force to move fluid through a system.
Reciprocating pumps use a piston or diaphragm to create pressure and move fluid.
Rotary pumps use rotating mechanisms to transfer fluid.
Other types of pumps include gear pumps, peristaltic pumps, and vane pumps.
I applied via Naukri.com and was interviewed before Oct 2020. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There was 1 interview round.
Pump head loss calculation parameters include friction loss, elevation change, velocity head, and fittings.
Friction loss due to pipe roughness
Elevation change between inlet and outlet
Velocity head due to fluid velocity
Losses from fittings like elbows, tees, and valves
AHU components refer to the various parts of an Air Handling Unit that work together to regulate and circulate air in a building.
Filters - to remove dust and particles from the air
Coils - for heating or cooling the air
Fans - to circulate the air
Dampers - to control the flow of air
Humidifiers/dehumidifiers - to adjust the humidity levels
Centrifugal blowers are commonly used in AHUs for their efficiency and ability to handle high volumes of air.
Centrifugal blowers are preferred for AHUs due to their ability to handle high volumes of air efficiently.
They are more energy efficient compared to other types of blowers.
Examples of centrifugal blowers commonly used in AHUs include forward curved, backward inclined, and airfoil designs.
Primary pump is the main pump responsible for the majority of the pumping work, while secondary pump is a backup pump used in case the primary pump fails.
Primary pump is the main pump in a system, while secondary pump is a backup pump.
Primary pump is responsible for the majority of the pumping work, while secondary pump is used only when needed.
Examples: In a heating system, the primary pump circulates hot water throug...
AHU valve connection refers to the connection of valves in an air handling unit for controlling the flow of air.
AHU valve connection is essential for regulating the flow of air in an air handling unit.
Valves are typically connected to the AHU ductwork to control the amount of air entering or exiting the unit.
Properly connected valves ensure efficient operation of the AHU system.
Examples of AHU valves include damper val
Chilled water pipe size requirements depend on flow rate, pressure drop, material, insulation, and system design.
Flow rate: Determine the required flow rate of chilled water in the system.
Pressure drop: Calculate the pressure drop to ensure efficient operation.
Material: Select appropriate pipe material based on temperature and pressure requirements.
Insulation: Insulate the pipes to prevent heat gain or loss.
System desi...
The chiller connection refers to the method by which a chiller unit is connected to a building's HVAC system.
Chiller connection typically involves piping to transport chilled water from the chiller to the building's air handling units.
The connection may also include electrical wiring for power supply and control signals.
Proper chiller connection is crucial for efficient cooling and proper functioning of the HVAC system
posted on 22 Feb 2023
HR life cycle refers to the stages of an employee's journey within an organization, from recruitment to exit.
The HR life cycle includes stages such as recruitment, onboarding, performance management, career development, and exit
Recruitment involves sourcing, screening, and selecting candidates for open positions
Onboarding includes orientation, training, and integration into the company culture
Performance management inv...
I applied via Recruitment Consulltant and was interviewed in Dec 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Aug 2022. There were 2 interview rounds.
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