DCDC Study Questions With 100% Correct Answers

DCDC Study Questions With 100% Correct Answers What room should have its own dedicated air handling system apart from the computer room? *Ans* Printer Room High Voltage Power Ratings *Ans* 380VDC Distance from airports? *Ans* 5 miles Faster generator start times can be achieved by what? *Ans* Using larger than standard starters, stronger/higher amp-hour starting systems and redundant starting systems What is the recommended amount of fuel supply needing to be available to a class F2 data center? *Ans* 24 hours For ramps, what is the max slope? *Ans* 8 degrees Minimum width of a ramp? *Ans* 36" Dimensions of a landing on a ramp? *Ans* 5 feet clear front and back Per IBC, what building types can a data center be? *Ans* I, II, or III Steel or Concrete Distance from transportation corridors? *Ans* 1 mile What is the minimum size conductor from the TMGB to the building main ground bus? *Ans* 130mm (250MCM) bare copper What is the minimum distance from the bottom of the access floor to the top of the cable tray? *Ans* 2" What is the distance from the bottom of the access floor to the bottom of the cable tray? *Ans* 8" What is the highest allowable elevation for a data center site? *Ans* 10,000 ft Where should telecom cabling be routed under an access floor? *Ans* In the hot aisle How do you calculate thermal load in a data center? *Ans* Thermal Load = IT Thermal Output + Lighting System + PDU System How do you calculate the thermal load of the lighting system inside a data center? *Ans* 2 * the floor area = lighting load (watts