TRACKS AND TOWERS INFRATECH Project Manager Interview Questions and Answers

Q1. Accounts related
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Q1. What is my strength?
Ans. 
My strength is my ability to lead and motivate a team towards achieving goals.
• Effective communication skills

• Strong decision-making abilities

• Ability to delegate tasks efficiently

• Positive attitude towards challenges

• Experience in managing teams

• Motivational skills

• Goal-oriented mindset
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Q2. What is my weakness?
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Q1. Nothing just basic information and then they are conducting technical round based on your profile or department
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Discus with condidate for how to handle a challenge at site level

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
Ans. 
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
Ans. 
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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Questions on resource management

Senarios about work and attitue

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
Ans. 
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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