Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole 8-pole None of the listed here 2-pole 4-pole 8-pole None of the listed here 2-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the speed of prime movers Decreasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Increasing the field excitation Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators ANSWER DOWNLOAD EXAMIANS APP
Alternators Regulation of alternator supplying reaistive or inductive load is Always negative Either positive or negative Always positive None of the listed here Always negative Either positive or negative Always positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam engine Steam turbine Gas turbine Diesel engine Steam engine Steam turbine Gas turbine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times smaller than 10 times smaller than 5 times greater than 10 to 100 times greater than 5 times smaller than 10 times smaller than 5 times greater than 10 to 100 times greater than ANSWER DOWNLOAD EXAMIANS APP
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