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 300 A 100 A 200 A more than 1000 A 300 A 100 A 200 A more than 1000 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage recovery voltage peak voltage supply voltage restriking voltage recovery voltage peak voltage supply voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? transformer oil sulphur hexafluoride distilled water carbon tetrachloride transformer oil sulphur hexafluoride distilled water carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum current maximum voltage minimum voltage zero current maximum current maximum voltage minimum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap All of these does not deteriorate with age has high speed of operation is quite cheap All of these does not deteriorate with age has high speed of operation ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of brass iron silver steel brass iron silver steel ANSWER DOWNLOAD EXAMIANS APP