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Which of the following statements are true? a. In overhead lines, inductance is more predominant whereas capacitance is in the cable. b. In overhead lines, capacitance is more predominant whereas inductance is in the cable. c. Cost of cable is high compared to the overhead lines. d. Cost of cable is low compared to overhead lines
What is the most common cause of failure of overhead line insulators?
Consider the following statements regarding typical analysis of bolt failure :  1. 15% failure of bolt occur at the fillet under the head. 2. 50% failure of bolt occur at the end of threads on the shank. 3. 80% failure of bolt occur in the threads that are in contact with the nut. Which of the above statements is/are correct ?
Consider the following statements associated with local shear failure of soils: 1. Failure is sudden with well-defined ultimate load. 2. This failure occurs in highly compressible soils. 3. Failure is preceded by large settlement. Which of these statements are correct ?
The variance of failure time (time to failure) of an electric motor in shovel is 1600 hr2. If the failure time follows an exponential distribution. the expected mean time between failure in hr is
Each material circumstance appearing in evidence against the accused must be put to the accused specifically, distinctly and separately. In this context, the propositions are
1. Failure to put the material evidence to the accused always vitiates the trial
2. Failure to put the material evidence amounts to a serious irregularity which can not be cured and vitiates the trial, if it has prejudiced the accused.
3. Failure to put the material evidence is not considered to services & is curable if infact no failure of justice has occasioned to the accused.
Now which of the following is correct
One of the most commonly used materials for insulators of an overhead transmission line, i.e. glass, has the drawback (when used as an insulator material) that:
How many classifications of overhead line insulators are there?
Which of the following material is not used for overhead line insulators?
Consider a three-phase. 50 Hz, 11 kV distribution system, Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self-capacitance of the insulator is 5 times the shunt capacitance between the link and the ground, as shown in the figure. The voltage across the two insulators are