Top 150+ Solved Optical Communication MCQ Questions Answer
Q. A coupler comprises a number of cascaded stages, each incorporating three or four-port FBT couplers to obtain a multiport output.
a. star
b. ladder
c. wdm
d. three-port
Q. 2 dB along with a splice loss of 0.1 dB at the interconnection of each stage. Determine the excess loss.
a. 1.9 db
b. 1.4 db
c. 0.9 db
d. 1.1 db
Q. A permanent joint formed between two different optical fibers in the field is known as a
a. fiber splice
b. fiber connector
c. fiber attenuator
d. fiber dispersion
Q. What is the main requirement with the fibers that are intended for splicing?
a. smooth and oval end faces
b. smooth and square end faces
c. rough edge faces
d. large core diameter
Q. In score and break process, which of the following is not used as a cutting tool?
a. diamond
b. sapphire
c. tungsten carbide
d. copper
Q. The heating of the two prepared fiber ends to their fusing point with the application of required axial pressure between the two optical fibers is called as
a. mechanical splicing
b. fusion splicing
c. melting
d. diffusion
Q. Which of the following is not used as a flame heating source in fusion splicing?
a. microprocessor torches
b. ox hydric burners
c. electric arc
d. gas burner
Q. The rounding of the fiber ends with a low energy discharge before pressing the fibers together and fusing with a stronger arc is called as
a. pre-fusion
b. diffusion
c. crystallization
d. alignment
Q. is caused by surface tension effects between the two fiber ends during fusing.
a. pre-fusion
b. diffusion
c. self-alignment
d. splicing
Q. is the unique property of the glass fiber.
a. transmission
b. opaque property
c. ductile
d. malleable
Q. limits the maximum distance between the optical fiber transmitter and receiver.
a. attenuation
b. transmission
c. equipment
d. fiber length
Q. The incorporates a line receiver in order to convert the optical signal into the electrical regime.
a. attenuator
b. transmitter
c. repeater
d. designator
Q. A regenerative repeater is called as
a. repetitive repeater
b. regenerator
c. attenuator
d. gyrator