TBB Study guides, Class notes & Summaries

Question Correct Answer An optical fiber cable with a bandwidth performance of 1500 MHz·km at 850 nm (overfilled launch), 2000 MHz·km at 850 nm (restricted mode launch), and 500 MHz·km at 1300 nm would be classified as: OM3 For telecommunications spaces that contain active equipment, the relative humidity should be: Between 40% and 55% For a balanced twisted-pair cable, in environments with unusually strong effects from very low-frequency EMI (<1 kHz), only a _____ ...

Simplex - ANSWER-Transmits signals in only one direction (listener has no way to respond) and public address system is example Half duplex - ANSWER-Transmits signals in both directions but only once at a time (push to talk systems) Full duplex - ANSWER-Transmits signals in both directions at the same time (telephones) EMI - ANSWER-Electromagnetic interference Alternating current - ANSWER-0 max 0 Direct current - ANSWER-0 max (battery) RFI - ANSWER-Disturbance in electromagnetic...

A Nurse Practitioner explains to a patient that nitroglycerin patches should be applied in the morning and removed in the evening. This medication schedule reduces the potential for Selected Answer: nitrate tolerance. Mr. Nguyen, age 71, will soon be discharged home from the hospital after a successful coronary artery bypass graft (CABG). During patient education about his drug regimen, Mr. Nguyen's nurse should prioritize teach about Selected Answer: potential adverse effects of the...

B A third 90-degree bend may be permi4ed in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagneMc field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for non-conducMve opMcal fiber generalpurpose cables? A OF...

RCDD Practice Test Latest Questions With Complete Solutions. C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is t...

BICSI - Installer 1 – Exam Review | 120 Questions | 100% Correct Answers B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for no...

What two meats does our Brunswick stew contain? correct answer: Pulled Chicken and Pulled Pork Describe how our Chicken Wings are cooked. correct answer: Dry rubbed and smoked for 2.5 hours at 225 then cooled. Flash fried to order and tossed in dry run with Alabama white sauce on the side. Great with death relish! List the ingredients of our Alabama White Sauce. correct answer: Duke's Mayo, Cider Vinegar, Sugar, Salt, Pepper, Poppy Seeds, Celery Salt Describe the process of how we s...

BICSI - Installer 1 – Exam Review Questions and answers, 100% Accurate. Graded A+ BICSI - Installer 1 – Exam Review Questions and answers, 100% Accurate. Graded A+ B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance ...

RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14) ANSWERED CORRECTLY!! Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray. A. Bag B. Block C. Intumescent sheet D. Silicone foams A. Bag Which of the following is a nonmechanical firestop system? A. Cable transit system B. Firestop blocks C. Fire rated pathway device D. Factory fabricated sleeve system B. Firestop blocks What type of material does NOT support combustion even under accelerated conditions?...

B - Answer A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C - Answer Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A - Answer Which of the following markings is used for non-conductive optical fiber general-purpose cables?...