INSTC_V8 試験問題を無料オンラインアクセス

Which of the following types of construction protects the optical fiber by supporting each strand of glass with a buffer coating extruded over the base optical fiber's 250 um acrylate coating?

• A.Loose tube
• B.Single stranded
• C.Tight buffered
• D.Ribbon

Which of the following is the bonding connection point for telecommunications systems and equipment in the area by a telecommunication space?

• A.SBB
• B.RBB
• C.BBC
• D.TEBC

Unqualified workers must stay AT LEAST ____ from exposed energized conductors operating at 300 to
50,000 V.

• A.3 m (10')
• B.0.3 m (1')
• C.30 m (100')
• D.15 m (50")

What is the maximum pull force for four-strand optical fiber?

• A.330 N (75lbf)
• B.880 N (200 lbf)
• C.222N (50 lbf)

Which of the following is used to express system gain and loss?

• A.Decibel (dB)
• B.Henries
• C.Farads
• D.Ohms