Related Questions

The use of strain type insulators is made where the conductors are
A Dead ended
B At intermediate anchor towers
C Any of the above
D None 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
Pin type insulators are generally not used for voltages beyond
A 1 kV
B 11 kV
C 22 kV
D 33 kV
Which of the following is not a constituent for making porcelain insulators?
A Quartz
B Kaolin
C Felspar
D Silica
Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.
A Varistors
B Thermistor
C Semiconductors
D Variable resistors
This group of alumino-silicate minerals is widely used in making electrical insulators
A Bauxite
B Chromite
C Manganese
D Mica
It is best to use for coupling a coaxial line to a parallel wire transmission line.
A Directional Coupler
B Balun
C Slotted line
D Tee
What will be the reflection co-efficient of the wave of load connected to transmission line if surge impedance of the line is equal to load ?
A Zero
B Unity
C Infinity
D None of the above
The interaction between a transmission line and communication line is minimized by
A transposing transmission as well as communication lines
B increasing the height of the trans-mission line tower
C increasing the distance between the two lines
D all 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

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