Related Questions

Which of the following materials is used for overhead transmission lines?
A Steel cored aluminium
B Galvanised steel
C Cadmium copper
D Any of the above
The time interval from when the given star passes directly overhead to when it next passed directly overhead, is defined as
A one sidereal day
B one solar day
C both the terms are similar, so any of these may be used
D None of the above
When the actual overhead is less than the absorbed overhead it is ________.
A over absorption
B under absorption
C equal absorption
D major absorption
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
The advantage of oil filled cables is
A More perfect impregnation
B Smaller overall size
C No ionization, oxidation and formation of voids
D All of the above
কোনো খেলার সরাসরি সম্প্রচারের ডেটা ট্রান্সমিট হবার প্রক্রিয়া- (i) Broadcast Transmission (ii) Duplex Transmission (iii) Simplex Mode Transmission নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i ii ও iii
Overhead lines for power supply to tram cars are at a minimum height of
A 3 m
B 6 m
C 10 m
D 15 m
Overhead lines generally use
A Copper conductors
B All aluminium conductors
C A.C.S.R. conductors
D None of these
The conductors of the overhead lines are
A solid
B stranded
C both solid and stranded
D none of the above
When I was in town, I tried to" take full advantage" of the many public libraties there. Here ‘take full advantage’ means
A take pictures
B make a survey
C make good use
D visit to get an idea

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