Alternators Three phase alternators are invariably star commected because Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum Small conductors can be used Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum Small conductors can be used ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Greater than The same as None of the listed here Smaller than Greater than The same as None of the listed here Smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Equal to that of power transformer Much lower than that of power transformer Much higher than that of a power transformer None of the listed here Equal to that of power transformer Much lower than that of power transformer Much higher than that of a power transformer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than 10 times smaller than 5 times greater than 5 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 4 8 2 12 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Laminated stainless steel Cast iron Manganese steel Forged steel Laminated stainless steel Cast iron Manganese steel Forged steel ANSWER DOWNLOAD EXAMIANS APP
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