MCQ in Wire and Wireless Communications System Part 11 – Answers

Below are the answers key for the Multiple Choice Questions in Wire and Wireless Communications System Part 11.

501. wide area telephone service

502. hybrid

503. Vestigial sideband AM

504. ringing signal

505. transmission level point

506. transmittance crosstalk

507. sectional center

508. The number of persons speaking

509. Charged coupled device

510. paging

511. crosstalk

512. Class 4C

513. ear and mouth

514. addressing

515. less than 300 Hz

516. party lines

517. Antonio Meucci

518. 40 ms

519. 1225

520. Connecticut

521. at origin of fax signals

522. 120

523. 300 Hz

524. 450 Hz

525. 1500 Hz and 2300 Hz

526. 100 Hz

527. transmitter

528. opaque sided drum with one turn scratch

529. insulated drum with one turn wire

530. 90 Hz

531. SSB

532. FM

533. blade

534. 60 V

535. linear slope filter

536. 2.4 kHz oscillator and logic divider

537. 1500 signal

538. average

539. 2300 signal

540. wears slower

541. phasing signals

542. Dial tone

543. Busy tone

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

545. Flow of loop current

546. Central office

547. Tie line

548. 7.5 km

549. Wire gauge

550. Spacing

Questions and Answers in Wire and Wireless Communications System Series

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQ in Communications Engineering per topic

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