Important MCQ questions for GATE, ESE Engineering Service Examination, IES, PSU Examination and Study Material For Electrical and Electronics Engineering in Circuit Theory, Network Theory, Material Science, Power System, Control System, Measurement, Power Electronics, Transformer and Electrical Machine, Control System, EMT, Power Electronics, Microprocessor and Communication System.
Wednesday, April 20, 2016
To limit current chopping in vacuum circuit breakers, the contact material used has
a)High vapour pressure and low conductivity properties
b)High vapour pressure and high conductivity properties
c)Low vapour pressure and high conductivity properties
d)Low vapour pressure and low conductivity properties
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