Alternators In case of turbo-alternators the rotor is usually made of Cast iron Forged steel Manganese steel Laminated stainless steel Cast iron Forged steel Manganese steel Laminated stainless steel ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More efficient Larger in size Operating at high rpm More costly More efficient Larger in size Operating at high rpm More costly ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Magnetic losses are the minimum Higher terminal voltage is obtained Small conductors can be used Less turns of wire are required Magnetic losses are the minimum Higher terminal voltage is obtained Small conductors can be used Less turns of wire are required ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. None of the listed here Remians unchanged Increases Decreases None of the listed here Remians unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as Greater than None of the listed here Smaller than The same as Greater than None of the listed here Smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Reciprocating diesel engine Steam engine Francis turbine Steam turbine Reciprocating diesel engine Steam engine Francis turbine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS