TPF Engineering Team Manager Interview Questions and Answers

Q1. What are the Pump head loss calculation parameters
Ans. 
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
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Q2. What is the AHU components
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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
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Q3. Which type of blowers are use in AHU
Ans. 
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.
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Q4. What is the difference between primary pump or secondary pump
Ans. 
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...read more
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Q5. What is the AHU valve conection
Ans. 
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
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Q6. What things are required in chilled water pipe size
Ans. 
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...read more
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Q7. What is the chiller conection
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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
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Q1. What is refrigeration cycle? Commissioning stages of Data center?
Ans. 
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...read more
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Q2. What is chilled water system? Types of ac system?
Ans. 
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...read more
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Q3. Types of pumps? Types of compressor
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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.
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Q1. What are your strengths and weaknesses?
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Q2. Tell me about yourself.
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Q3. Very patience. Salary Neagotation.
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Q1. What is the HR life cycle
Ans. 
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...read more
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Q2. Recruiting procedures
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Q1. Last company working ,last company growth last two year this tme period in worked you
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Q1. About salary and experience
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Q1. Chiller trouble shooting
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Q2. Work of cchiller
Ans. 
A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.
• Chillers are commonly used in air conditioning systems to cool buildings or industrial processes.

• They work by transferring heat from the liquid being chilled to a separate fluid, which is then circulated through a heat exchanger to cool it down.

• Chillers can be water-cooled or air-cooled, depending on the app
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Q3. Alarm and solutions
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Q4. Controlling andetc
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