Practice Quiz in Wire and Wireless Communications System Part 5

(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 5 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 V of the Online Practice Quiz

Quiz in Wire and Wireless Communications System

Question 41. Which tester is used to measure SWR?

A. Multimeter

B. Oscilloscope

C. Spectrum analyzer

D. Reflectometer

Question 42. AWG # 26 has a typical loss of

A. 0.21 dB/1000 ft.

B. 0.32 dB/1000 ft.

C. 0.41 dB/1000 ft.

D. 0.51 dB/1000 ft.

Question 43. Which of the following responds to the request of a subscriber by sending a dial tone?

A. Line finder

B. First selector

C. Connector

D. Line equipment

Question 44. The first cell shape is a square

A. Square

B. Circle

C. Rectangle

D. Triangle

Question 45. The telephone voice band frequency is from

A. 300 to 4 kHz

B. 400 to 3400 Hz

C. 300 to 3400 Hz

D. 400 to 4 kHz

Question 46. Which of the ff. equipment is used in long loop design?

A. Dial long lines

B. Voice repeater

C. Loop range extender

D. All of these

Question 47. What is the most commonly used light sensor in a modern fax machine?

A. Phototube

B. Phototransistor

C. Liquid-crystal display

D. Charge couple device

Question 48. A device used to measure speech volume.

A. speech meter

B. volume meter

C. volume unit meter

D. speedometer

Question 49. A digital identification associated with a cellular system.





Question 50. What is the frequency deviation of the cellular telephone system?

A. ±15 kHz

B. ±30 kHz

C. ±12 kHz

D. ±75 kHz

List of Practice Quizzes

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