Electrical Machines Which of the following is the largest conversion device? Synchronous machine DC machine Induction machine All of these Synchronous machine DC machine Induction machine All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a step down transformer which one of the following statements is true? Number of secondary turns is less than primary turns. Secondary power is less than primary power. Secondary current is less than primary current. Number of secondary turns is more than that of primary. Number of secondary turns is less than primary turns. Secondary power is less than primary power. Secondary current is less than primary current. Number of secondary turns is more than that of primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase None of these supply voltage supply frequency rotor resistance None of these supply voltage supply frequency rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as None of these. an inductor. A resistor. A capacitor. None of these. an inductor. A resistor. A capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of stainless steel. phosphor bronze. aluminium. carbon. stainless steel. phosphor bronze. aluminium. carbon. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in power transformer. voltage transformer. current transformer. earthing transformer. power transformer. voltage transformer. current transformer. earthing transformer. ANSWER DOWNLOAD EXAMIANS APP
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