Electrical Machines Generators work on the principle of production of dynamically and statically induced emf. statically induced emf. None of these dynamically induced emf. dynamically and statically induced emf. statically induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is cross – magnetizing. magnetizing. demagnetizing. ineffective. cross – magnetizing. magnetizing. demagnetizing. ineffective. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise hysteresis loss eddy-current loss mechanical loss temperature rise hysteresis loss eddy-current loss mechanical loss temperature rise ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to V. 1 / V. 1 / V2. V2. V. 1 / V. 1 / V2. V2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The inertia constant H of a synchronous condenser is equal to that of the effective length of the line. greater than that of turbo alternator. greater than that of hydro generator. none of these. equal to that of the effective length of the line. greater than that of turbo alternator. greater than that of hydro generator. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be somewhat more than 230 V 230 V 6 V somewhat less than 230 V somewhat more than 230 V 230 V 6 V somewhat less than 230 V ANSWER DOWNLOAD EXAMIANS APP
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