Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 100 A 200 A more than 1000 A 300 A 100 A 200 A more than 1000 A 300 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it has high speed of operation is quite cheap does not deteriorate with age All of these has high speed of operation is quite cheap does not deteriorate with age All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and high specific resistance high melting point and low specific resistance low melting point and any specific resistance Low melting point and low specific resistance low melting point and high specific resistance high melting point and low specific resistance low melting point and any specific resistance Low melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to All of these insulate the contacts from switch body None of these lubricate the contacts extinguish the arc All of these insulate the contacts from switch body None of these lubricate the contacts extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of current All of these voltage wave power current All of these voltage wave power ANSWER DOWNLOAD EXAMIANS APP
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