Electrical Machines Which of the following is the largest conversion device? Synchronous machine All of these DC machine Induction machine Synchronous machine All of these DC machine Induction machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Cage induction motor. Either A or B. Synchronous motor. DC shunt motors. Cage induction motor. Either A or B. Synchronous motor. DC shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator with a diameter of 50 cm rotating at 1000 rpm. For a brush width of 1.5 cm, find the time of commutation in ms. 0.573. 0.443. 0.649. 0.512. 0.573. 0.443. 0.649. 0.512. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. static induced emf. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in both generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. increases in both the generators and the motors with load. decreases in both generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. increases in both the generators and the motors with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4SP² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4SP² ANSWER DOWNLOAD EXAMIANS APP
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