Related Questions

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
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 major purpose of an electronically controlled automatic transmission is that this type of transmission
A Eliminates gear clutches
B Eliminates the gear shaft lever
C Reduces the number of automatic transmission components
D Reduces shift shock and achieves more efficient transmission of engine torque
In radio transmission, the medium of transmission is ___________
A Space
B An antenna
C Cable
D None of the above
Which generator would you prefer for feeding long D.C. transmission lines?
A Series generator
B Shunt generator
C Over compound generator
D Flat compound generator
Which of the following are the constants of the transmission lines?
A Resistance
B Inductance
C Capacitance
D All of the above
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
Which of the following relays is used on long transmission lines?
A Impedance relay
B Mho's relay
C Reactance relay
D None of the above
High voltage transmission lines use
A Suspension insulators
B Pin insulators
C Both (A) and (B)
D None of the above
Series capacitors on transmission lines are of little use when the load VAR requirement is
A Large
B Small
C Fluctuating
D Any of the above

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