zero
infinity
unity
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe reflection co-efficient at the open circuited end of a transmission line.
Switchgear protections
92. To limit short-circuit current in a power system are used
earth wires
isolators
H.R. fuses
reactors
Answer is Right!
Answer is Wrong!
Detailed SolutionTo limit short-circuit current in a power system are used
93. For which of the following protection from negative sequence currents is provided ?
Generators
Motors
Transmission line
Transformers
Answer is Right!
Answer is Wrong!
Detailed SolutionFor which of the following protection from negative sequence currents is provided ?
94. In Railway applications ______ circuit breaker is used.
SFe
bulk oil
minimum oil
air break
Answer is Right!
Answer is Wrong!
Detailed SolutionIn Railway applications ______ circuit breaker is used.