RCDD 試験問題を無料オンラインアクセス

The average power consumption in a telecommunications room (TR) is 2260 watts per hour. What is the heat dissipation in BTUs?

• A.8511 BTU
• B.8104 BTU
• C.7713 BTU
• D.7096 BTU

A(n) ________ system is considered a mechanical firestop.

• A.Firestop block
• B.Cable transit
• C.Intumescent sheet
• D.Cementitious

You are working on the design of a new, large ER/TR that will contain many racks and data cabinets including a large UPS system. Your recommendation to the architect for room access from inside the building is:

• A.One double door with a removable center post
• B.Two 0.9 m (3 ft) solid doors
• C.One 1.5 m (5 ft) metallic roll top door
• D.One 1.83 m (6 ft) solid core dual direction sliding door with removable sides
• E.One 1.2 m (4 ft) solid core, steel sheath door

You are designing a restaurant located within a retail mall. The ambient noise level of the restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is the MINIMUM sound pressure level (SPL) that should be used when designing the paging system within the restaurant?

• A.80 dB
• B.75 dB
• C.85 dB
• D.70 dB

What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures?

• A.203 mm (8 in)
• B.30 mm (5.12 in)
• C.324 mm (12.75 in)
• D.483 mm (19 in)
• E.77 mm (3 in)