Related Questions

In Bangladesh , BTRC provides bandwidth of internet services through submarine cable network . Which of the following submarine cable networks is connected with Bangladesh ?
A Southern Cross Cable
B SEA-ME-WE
C C2C North Ring
D FLAG
In Bangladesh, BRTC provides bandwidth of internet services through submarine cable network . Which of the following submarine cable networks is connected with Bangladesh ?
A SEA-ME-WE
B FLAG
C Southern Cross Cable
D C2C North Ring
If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be
A 2 cm
B 10 cm
C 50 cm
D 400 cm
What problem can occur if a printer cable is to close to a power cable?
A ESD Electrostatic Discharge
B EMI Electromagnetic Interference
C parity error
D no affect
E None of the above
A ও B এর মধ্যে সর্বোচ্চ, গতিতে ডেটা আদান প্রদানের জন্য করা উচিত-i, HUB এর পরিবর্তে switch ব্যবহার ii. HUB এর পরিবর্তে রাউটার ব্যবহার iii. Twisted pair cable এর পরিবর্তে optical fiber cable ব্যবহার নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
Surge tanks are used
A for storage water
B to increase the velocity in a pipeline
C as overflow valves
D to guard against water hammer
The surge phenomenon is particularly important in case of
A low voltage transformers
B medium voltage transformers
C high voltage transformers
D any of the above
For an overhead line, the surge impedance is taken as
A 20-30 ohms
B 70-80 ohms
C 100-200 ohms
D 500-1000 ohms
Which of the following devices will receive voltage surge first travelling on the transmission line ?
A Lightning arresters
B Relays
C Step-down transformer
D Switchgear
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

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