JLL Facility Soft Service Executive Interview Questions and Answers

Beam detectors are used for early detection of smoke or fire in large open spaces.

• Beam detectors are ideal for spaces with high ceilings or areas where traditional smoke detectors may not be practical.

• They work by projecting a beam of light across a space and detecting any disruptions caused by smoke particles.

• Beam detectors are commonly used in warehouses, atriums, and other large open areas.

• They provide early detecti...read more

I save energy by implementing energy-efficient practices and technologies.

• Utilizing programmable thermostats to regulate heating and cooling

• Switching to LED lighting to reduce electricity consumption

• Implementing motion sensors to control lighting usage

• Regularly maintaining HVAC systems for optimal efficiency

Monitoring electrical consumption involves tracking usage patterns and implementing energy-saving actions.

• Regularly review electricity bills to track consumption trends

• Install energy monitoring devices to track real-time usage

• Implement energy-efficient lighting and appliances

• Encourage staff to turn off lights and equipment when not in use

• Utilize natural light and adjust thermostat settings for energy savings

A single line diagram is a simplified diagram that shows the electrical connections and components of a system using a single line.

• Single line diagrams are used to represent complex electrical systems in a simplified manner.

• They show the connections between various components such as transformers, circuit breakers, and switches.

• Each component is represented by a symbol and connected by lines to show the flow of electri...read more

Chiller type IKW refers to Indirect Water-Cooled chillers. Types of compressors commonly used in chillers include reciprocating, scroll, screw, and centrifugal compressors.

• Chiller type IKW stands for Indirect Water-Cooled chillers

• Types of compressors commonly used in chillers include reciprocating, scroll, screw, and centrifugal compressors

Chiller safety in water cooled chiller is crucial to prevent accidents and ensure efficient operation.

• Regular maintenance and inspection of the chiller and its components is necessary to ensure safety.

• Proper installation and operation of safety devices such as pressure relief valves and temperature sensors is important.

• Training of personnel on safe handling and operation of the chiller is essential.

• Strict adherence to ...read more

The required pressure on the top floor in the fire line depends on the building's height and the water supply available.

• The pressure should be high enough to reach the top floor and provide adequate water flow for firefighting.

• The National Fire Protection Association (NFPA) recommends a minimum pressure of 100 psi at the top floor.

• Factors such as the building's height, water supply, and fire protection system should be...read more

The fire hyd. and sprinkler line require 3kg.

• The fire hyd. and sprinkler line need to be filled with 3kg of water or other extinguishing agent.

• This is a standard requirement for fire safety in buildings.

• Regular maintenance and testing of the fire suppression system is necessary to ensure it is functioning properly.

Trip coil replacement work involves replacing the coil used to trip a circuit breaker in case of a fault.

• Ensure power is turned off before starting the replacement work

• Follow manufacturer's instructions for proper installation

• Test the new coil to ensure it functions correctly before closing the circuit breaker

• Consider hiring a professional electrician for complex replacements