Electrical Machines If the flux of DC motor approaches zero, its speed will approach zero. between zero and infinity. aprroach infinity. remain unchanged. approach zero. between zero and infinity. aprroach infinity. remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is None of these to interconnect three voltage systems. to carry extra load. to suppress harmonic and unbalance in voltage. None of these to interconnect three voltage systems. to carry extra load. to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW any of the above 33.33 MW and 66.67 MW respectively 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively any of the above 33.33 MW and 66.67 MW respectively 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is none. maximum torque. electromagnetic torque. starting torque. none. maximum torque. electromagnetic torque. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss decrease. remains constant. increase. None of these decrease. remains constant. increase. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant power drive above base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant hp drive below the base speed. constant power drive above base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant hp drive below the base speed. ANSWER DOWNLOAD EXAMIANS APP
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