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JLL
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I applied via Company Website and was interviewed before Jan 2023. There was 1 interview round.
Chiller efficiency is a measure of how well a chiller unit is able to cool a space while using the least amount of energy.
Chiller efficiency is typically measured by the Coefficient of Performance (COP), which is the ratio of cooling output to energy input.
Regular maintenance and cleaning of chiller components can improve efficiency.
Upgrading to a more energy-efficient chiller model can also increase efficiency.
Proper ...
Water cooled systems are generally more efficient than air cooled systems due to higher heat transfer capabilities.
Water has higher heat transfer capabilities compared to air
Water cooled systems can maintain more consistent temperatures
Water cooled systems are typically used in high performance applications such as data centers and industrial machinery
Duct velocity can be improved by increasing the fan speed or reducing the duct size.
Increase the fan speed to increase the air velocity in the duct.
Reduce the duct size to increase the air velocity.
Use dampers or adjustable louvers to control and optimize the airflow.
Ensure proper sealing of duct joints to minimize air leakage.
Consider using smooth and straight ducts to reduce friction and improve airflow.
Regularly cle...
The chiller system uses various types of gases for cooling purposes.
Common types of gases used in chiller systems include R-134a, R-410A, and ammonia.
R-134a is a hydrofluorocarbon (HFC) refrigerant commonly used in air conditioning systems.
R-410A is a blend of hydrofluorocarbons used as a replacement for older refrigerants.
Ammonia (NH3) is often used in industrial chiller systems due to its high cooling capacity.
Other ...
The VRF system capacity is determined based on the area's cooling and heating load requirements.
Calculate the total cooling load and heating load for the area
Consider factors such as insulation, windows, occupancy, and equipment
Select VRF system capacity based on the calculated load requirements
Consult with HVAC professionals for accurate sizing
I applied via LinkedIn and was interviewed before Jul 2022. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
A shunt relay in an ACB is used to provide protection against overcurrents by diverting excess current away from the main circuit.
Shunt relay is connected in parallel with the main circuit of the ACB.
It detects overcurrents and activates to divert the excess current through a shunt path.
This helps in protecting the main circuit from damage due to overcurrents.
Shunt relays are commonly used in Air Circuit Breakers (ACBs...
CoC in HVAC stands for Certificate of Conformance, which is a document certifying that a product meets specified requirements.
CoC in HVAC is a Certificate of Conformance that ensures a product meets specific requirements.
It is often required in HVAC projects to ensure quality and compliance.
CoC may include details such as product specifications, testing results, and manufacturer information.
Biological oxygen demand (BOD) and Chemical oxygen demand (COD) are important parameters in wastewater treatment plants.
Biological oxygen demand (BOD) is a measure of the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material in water.
Carbonaceous oxygen demand (COD) is a measure of the amount of oxygen required to oxidize all the organic and inorganic matter in water.
BOD is a ...
A voltage monitoring relay is a device that monitors voltage levels and triggers an alarm or protective action if the voltage exceeds or falls below a set threshold.
Monitors voltage levels in electrical systems
Triggers alarm or protective action if voltage exceeds or falls below set threshold
Used to protect equipment from damage due to voltage fluctuations
WTP plant works on the principle of physical and chemical processes to remove impurities from water.
Water enters the plant and goes through processes like coagulation, flocculation, sedimentation, filtration, and disinfection.
Coagulation involves adding chemicals to water to make impurities clump together.
Flocculation helps in forming larger particles called floc for easier removal.
Sedimentation allows the floc to sett...
I provide daily and monthly reports on project progress, issues, and key metrics to track performance.
Daily reports include updates on tasks completed, challenges faced, and plans for the next day.
Monthly reports summarize overall progress, budget status, and any potential risks or delays.
Reports may also include key performance indicators (KPIs) such as project milestones achieved, budget variance, and resource utiliz...
I completed various projects during my Bachelor's degree, including a design project for a new bridge and a research project on renewable energy.
Designed a new bridge using CAD software
Researched and implemented renewable energy sources on campus
Collaborated with classmates on a group project to improve campus sustainability
I completed my 6 months internship at ABC Engineering Firm, where I gained hands-on experience in project management and design.
Internship at ABC Engineering Firm
Focused on project management and design
Hands-on experience gained
I applied via Referral and was interviewed in Jan 2020. There were 3 interview rounds.
I applied via Approached by Company and was interviewed in Mar 2023. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Jan 2022. There were 2 interview rounds.
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