JLL
10+ The Laburnum Interview Questions and Answers
Q1. What are different maintenance procedures,How can one ensure for zero breakdown for equipments.
Regular maintenance, inspections, and repairs can prevent equipment breakdowns.
Develop a preventive maintenance schedule
Train staff on proper equipment use and care
Regularly inspect equipment for signs of wear and tear
Address any issues promptly to prevent further damage
Keep accurate records of maintenance and repairs
Consider investing in newer, more reliable equipment
Partner with reputable vendors for repairs and replacements
Q2. Which type of redundancy should be available for Data center in terms of infrastructure.
Data centers should have N+1 or 2N redundancy for infrastructure.
N+1 redundancy means having one extra backup component for every critical component in the infrastructure.
2N redundancy means having two complete sets of infrastructure, each capable of handling the full load, with one set acting as a backup for the other.
Redundancy ensures high availability and minimizes downtime in case of component failure.
Examples of critical components that require redundancy include power ...read more
Q3. How do you manage incidents and Risks of Site's?
I manage incidents and risks of sites by implementing a comprehensive risk management plan.
Conducting regular risk assessments to identify potential hazards
Developing and implementing emergency response plans
Training staff on safety procedures and protocols
Maintaining accurate incident records and conducting thorough investigations
Collaborating with external agencies and stakeholders
Regularly reviewing and updating risk management plans
Q4. How many types of energy convertion are there in DG set
There are two main types of energy conversion in a DG set: mechanical energy to electrical energy and chemical energy to mechanical energy.
Mechanical energy to electrical energy: The diesel engine in the DG set converts the mechanical energy produced by the combustion of diesel fuel into electrical energy through the alternator.
Chemical energy to mechanical energy: The combustion of diesel fuel in the engine generates heat energy, which is then converted into mechanical energ...read more
Q5. What is the importance of transformer oil
Transformer oil is crucial for insulating and cooling transformers to ensure efficient operation and prevent breakdowns.
Transformer oil acts as an insulating medium to prevent electrical breakdowns
It also helps in cooling the transformer by dissipating heat generated during operation
Regular testing and maintenance of transformer oil is essential to ensure its effectiveness
Contaminated or degraded transformer oil can lead to equipment failure and costly repairs
Examples of tran...read more
Q6. If DG set trips when taking on load, reasons
DG set trips when taking on load due to various reasons such as overload, short circuit, fuel issues, or mechanical failures.
Overload on the DG set causing it to trip for safety reasons
Short circuit in the electrical system leading to a trip
Fuel supply issues such as low fuel level or contaminated fuel
Mechanical failures in the DG set components
Incorrect load balancing causing the DG set to trip
Q7. What will be reason of dg doesnt crank
Possible reasons for a DG not cranking include dead battery, faulty starter motor, fuel supply issues, or electrical problems.
Dead battery: Check the battery voltage and connections.
Faulty starter motor: Test the starter motor for proper functioning.
Fuel supply issues: Ensure there is enough fuel in the tank and check the fuel lines for blockages.
Electrical problems: Inspect the wiring and fuses for any damage or faults.
Q8. what is the activity of WTP
WTP stands for Water Treatment Plant, which is responsible for treating water to make it safe for consumption.
WTP is responsible for removing impurities and contaminants from water.
It involves processes such as filtration, sedimentation, and disinfection.
Examples of WTPs include municipal water treatment plants and industrial water treatment facilities.
Q9. What is the activity of STP
STP stands for Sewage Treatment Plant, which is responsible for treating wastewater to remove contaminants before releasing it back into the environment.
STP is a facility designed to treat wastewater from households, industries, and commercial buildings.
The process involves physical, chemical, and biological methods to remove contaminants such as solids, organic matter, and pathogens.
Common treatment methods in STP include screening, sedimentation, biological treatment (such ...read more
Q10. How you calculated CAM charge.
CAM charge is calculated by dividing the total operating expenses of a property by the total square footage of the property.
Total operating expenses include costs such as property taxes, insurance, maintenance, and utilities.
Divide the total operating expenses by the total square footage of the property to get the CAM charge per square foot.
For example, if the total operating expenses are $100,000 and the total square footage is 10,000, the CAM charge per square foot would be...read more
Q11. UPS diagram and its parts
A UPS diagram shows the components of an uninterruptible power supply system.
UPS system includes a rectifier, battery, inverter, and bypass switch
Rectifier converts AC power to DC power to charge the battery
Battery stores energy to provide power during outages
Inverter converts DC power from the battery to AC power for devices
Bypass switch allows power to bypass the UPS during maintenance or failure
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