Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 8 12 4 2 8 12 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Speed of the alternator Short circuit ratio The power factor of the load Total current drawn Speed of the alternator Short circuit ratio The power factor of the load Total current drawn ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. Less than More than None of the listed here About the same as Less than More than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Reciprocating diesel engine Steam turbine Steam engine Francis turbine Reciprocating diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 120 Hz 60 Hz None of the listed here 50 Hz 120 Hz 60 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Forged steel Laminated stainless steel Cast iron Manganese steel Forged steel Laminated stainless steel Cast iron Manganese steel ANSWER DOWNLOAD EXAMIANS APP
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