Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv. Bl2v2. Bl2v. Blv2. Blv. Bl2v2. Bl2v. Blv2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 19% 5% 10% 40% 19% 5% 10% 40% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1920W 1450W 1820W 2000W 1920W 1450W 1820W 2000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon size of air gap. all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor helps in energy conversion. regulates its armature voltage. aids applied voltage. exceeds supply voltage helps in energy conversion. regulates its armature voltage. aids applied voltage. exceeds supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Lathes. All of this. Blowers and fans. Centrifugal pumps Lathes. All of this. Blowers and fans. Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP