Cooling system in Data centre

Which of the following is not part of the main component of a cooling system?

• 1. Evaporator

• Condenser

• Ice maker

• Compressor

Which unit is use to measure air flow?

• Watt

• BTU

• Ton

• CFM

Why is raised floor installed in the data centre?

• For storage purposes

• To support heavy racks

• To run electrical wiring and installation of chilled water

• To prevent insect from entering the racks

Which of the following is the MAIN reason for insufficient cooling in a Data centre?

• Lack of maintenance

• Cooling equipment are too old

• Insufficient CFM

  (Air flow volume)

• Too many data racks in a server room

Which one of the following is the MOST important reason to monitor Chiller runtime?

• For energy efficiency

• So that the Chiller will not be overheated

• To monitor if pump is working

• To ensure the CRAC system is working

How can hot air from the racks returned to the CRAC?

• From the raised floor

• By mixing the hot air and the cool air

• With using a self contain air-con unit

• By installing a return air duct through the hot aisle containment

What is the primary purpose of a cooling system in a data center?

• To provide electricity to IT equipment

• To maintain optimal operating temperature for IT equipment

• To secure data transmission

• To increase network bandwidth

Which component is placed in major server room to cool the servers and racks using refrigeration cycles?

• Cooling Tower

• Pump

• CRAH/CRAC

• Chilled water

1. What can be used to seal gaps and prevent air mixing between the hot aisle and cold aisle in a containment system?

• Blank panels

• Insulated curtains

• Air barriers

• • 
    D) Sealed doors

Which method can improve the cooling efficiency in a data centre?

• Clean gas system

• Liquid cooling

• Neglect thermal load management

• Natural air ventilation