a) It eliminates axial forces on the windings b) It eliminates radial forces on the windings c) It reduces insulation requirement d) None of these Ans: (a)
a) Silica sand b) Silical gel c) Felt pad d) Sodium chloride Ans: (b)
a) Horn gaps b) Thermal overload relays c) Conservator d) Breather Ans: (a)
a) Adjustment in power factor b) Adjustment in secondary voltage c) Adjustment in primary voltage d) Adjustments in both primary and secondary voltage Ans: (b)
a) Insulation life b) Temperature rise c) Mechanical stress d) All of these Ans: (d)
a) Generation b) Transmission c) Distribution d) Substation Ans: (a)
a) Voltage b) KVA c) KWh d) KW Ans: (b)
a) Flicker noise b) Transit-time noise c) Agitation noise d) Humming noise Ans: (d)
a) Voltage ratio b) Copper loss c) Temperature noise d) Dielectric strength of oil Ans: (a)
a) 90° b) 120° c) 180° d) 270° Ans: (c)