Electrical Machines In DC generators, the residual magnetism is of the order of 20 %. 10 %. 2.5 %. 15 %. 20 %. 10 %. 2.5 %. 15 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When Flemings right hand rule to find the direction of induced emf, the thumb points towards direction of motion of the conductor. direction of induced emf. direction of flux. opposite to the direction of motion of the conductor. direction of motion of the conductor. direction of induced emf. direction of flux. opposite to the direction of motion of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of dynamically induced emf is utilized in thermocouple. transformer. generator. choke. thermocouple. transformer. generator. choke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following bearings and their uses are correct neither 1 nor 2 roller bearings → large machines ball bearings → small machines both A and B neither 1 nor 2 roller bearings → large machines ball bearings → small machines both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 5 / 6. 4 / 5. 6 / 7. 2 / 3. 5 / 6. 4 / 5. 6 / 7. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? DC motor. Induction motor. Electrical power transformer. Electrical power generator. DC motor. Induction motor. Electrical power transformer. Electrical power generator. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS