Wire and Wireless Communications System - MCQs Part XII - Answers

Answers key for the Answers for the Compiled MCQs in Wire and Wireless Communications System Part 12 of the series as one topic in Electronic System and Technologies (Communications Engineering) in the ECE Board Exam.

Answers in Wire and Wireless Communications - MCQs Part XII

Below are the answers key for the Multiple Choice Questions in Wire and Wireless Communications System - MCQs Part 12.

551. Area

552. Coil inductance

553. On-hook

554. 50 msec

555. To order clearing of connection

556. Subscriber No.

557. Subscriber loop

558. Inter-office trunk

559. Common channel signalling

560. Call-second

561. 0.01

562. 2

563. 108 kHz

564. 600 channels

565. Quantizing noise

566. A and B

567. Attenuation limits

568. A or B

569. Wet- Dry

570. Star

571. 12

572. NOTA

573. Current during on hook

574. TDM

575. Impedance mismatch

576. 4

577. Impulse

578. 30 db

579. -85 dBm

580. EBHC

581. Lost Calls Delayed

582. MDF

583. more than twice

584. supergroup

585. 2 AF tones

586. Echo suppressor

587. None of these

588. 4500 ft.

589. 4.18

590. Progressive

591. 50 mm

592. Less

593. Call Forwarding

594. Common

595. Private Automatic Branch Exchange

596. A telephone line connecting two C.O.’s

597. 0 to 4000 Hz

598. Multiplexing

599. Uses a separate channel for signalling only

600. Any of these

Online Questions and Answers Series

Following is the list of practice exam test questions in this brand new series:

Wire and Wireless Communications MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 12: MCQs from Number 551 – 600                Answer key: PART XII

Complete List of MCQs in Communications Engineering per topic


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