Exin EXIN EPI Certified Data Centre Specialist CDCS Question # 16 Topic 2 Discussion
CDCS Exam Topic 2 Question 16 Discussion:
Question #: 16
Topic #: 2
What mainly affects the cooling capacity of a raised floor tile?
A.
Type of ICT equipment, location of the air conditioner, pressure under the raised floor, allowable temperature in the hot aisle
B.
Relative humidity in the computer room, temperature of the cold air, pressure under the raised floor, construction material of the tile
C.
Percentage of the surface opening, obstruction of the supporting construction, pressure under the raised floor, damper construction
D.
Percentage of the surface opening, airflow direction of the ICT equipment, temperature difference between the air intake and air exhaust of the ICT equipment, construction material of the tile
The cooling capacity of a raised floor tile is primarily influenced by the percentage of surface opening, the obstruction caused by the supporting construction, the pressure under the raised floor, and the damper construction. These factors dictate how much airflow can pass through the tile and how effectively cool air is distributed to the equipment in the data center.
Detailed Explanation:
The percentage of surface opening on a floor tile affects how much air can flow through, with larger openings allowing more airflow. Supporting structures beneath the floor can obstruct airflow, reducing cooling efficiency. Pressure under the raised floor impacts the velocity and volume of air that moves through the tile. Additionally, if dampers are installed, they control the airflow rate, which can be adjusted to meet specific cooling needs for the area.
EPI Data Center Specialist References:
EPI guidance on airflow management under raised floors emphasizes these factors as critical for effective cooling, especially in high-density areas. Ensuring unobstructed and adequate airflow helps maintain consistent cooling across equipment.
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