Related Questions

When a wave propagates on a transmission line, it suffers reflection several times at
A tapping
B load end
C sending end
D sending and other end
E all of the above
Following energized winding of a D.C. machine should not be opened as it would produce high inductive voltage which may be dangerous to personnel and may cause its own insulation failure.
A Series field
B Compensating field
C Inter pole field
D Shunt field
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
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
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A 0.6 Hs and 1.67 Hs
B 0.6 Hs and 1.87 Hs
C 1.27 Hs and 1.87 Hs
D 1.27 Hs and 1.67 Hs
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
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
In radio transmission, the medium of transmission is ___________
A Space
B An antenna
C Cable
D None of the above
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .
A Reflection
B Refraction
C Transmission
D None of the above

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