Related Questions

In a beam subjected to pure bending, the intensity of stress in any fibre is _________ the distance of the fibre from the neutral axis.
A Equal to
B Less than
C More than
D Directly proportional to
Optical fibre works on which of the following principle of light?
A Reflection
B Refraction
C Diffraction
D Total internal reflection
Optical Fibre technology works on which of these principles of Physics?
A Bernoulli's Principle
B Newton's law of Motion
C Total internal reflection of Light
D Photoelectric effect
অপটিক্যাল ফাইবার (Optical fibre) হচ্ছে ----
A খুব সরু এবং নমনীয় কাচ তন্তুর আলোক নল
B খুব সূক্ষ্ম সুপরিবাহী তামার তার তন্তু নল
C খুব সরু এসবেস্টোস ফাইবার নল
D সূক্ষ্ম প্লাস্টিক ঘটিত নল
Optical Fibre এ- আলো সাধারনত কিভাবে চলে?
A প্রতিফলন
B প্রতিসরণ
C পূর্ণ অভ্যন্তরীণ প্রতিফলন
D ব্যাতিচার
Due to which of the following reasons the cables should not be operated too hot?
A The oil may loose its viscosity and it may start drawing off from higher levels
B Expansion of the oil may cause the sheath to burst
C Unequal expansion may create voids in the insulation which will lead to ionization
D All of the above
Pressure cables are generally not used beyond
A 11 kV
B 33 kV
C 66 kV
D 132 kV
In single core cables armouring is not done to
A Avoid excessive sheath losses
B Make it flexible
C Either of the above
D None of the above
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
A Cutting
B Fibrillation
C Hydration
D Strengthening
Which one of the following cables can transmit data at high speads?
A Co-axial cables
B Twisted pair cables
C Fibre optic cables
D UTP cables

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