Practice Quiz in Wire and Wireless Communications System Part 59

(Last Updated On: December 21, 2017)

Quiz in Wire and Wireless Communications System

This is the Online Practice Quiz in Wire and Wireless Communications System Part 59 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

Continue Part LIX of the Online Practice Quiz

Quiz in Wire and Wireless Communications System

Question 581. The helix wire forms one end of the circuit of facsimile; what forms the other?

A. insulated wire

B. drum

C. blade

D. transmit circuit

Question 582. When digits 3 is dialed using touch tone system, the amount of time needed to send the tone is

A. 0.1 sec

B. 50 msec

C. 0.25 sec

D. 0.25 sec

Question 583. If a busy counts are made during the span of 15 minutes, and the average number of occupied circuit is found to be 8, then the traffic, in Erlang, is:

A. 2

B. 8

C. 6

D. 4

Question 584. Group 2 fax that uses fax standard is



C. Vestigial sideband AM


Question 585. If the tuning meter reads full scale, what would this indicate in facsimile?

A. 1300 signal

B. 2400 signal

C. 1400 signal

D. 1500 signal

Question 586. The approximation process in PCM creates noise called:

A. Thermal

B. White noise

C. Quantizing noise

D. Agitation noise

Question 587. BORSCHT stands for

A. Battery, over-voltage protection, ringing, supervision, coding, hybrid and testing

B. Battery, over-hook regulator, ringing, surge protect, circuit, hybrid and test

C. Name of the leading manufacturer of telephone system

D. Acronym for the developers of computer

Question 588. Systems that are simplex wireless communications systems designed to alert subscribers of awaiting messages

A. paging

B. searching

C. texting

D. calling

Question 589. The location where all subscriber lines are terminated and switching equipment facility is installed.

A. Central office

B. Toll office

C. Gate way

D. Tandem

Question 590. The main terminal used as cross connection point for cables 300 pairs and above.





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