Electrical Machines The type of DC motor generally used for shears and punches is Shunt motor. Differential compound motor. Cummulative compound motor. Series motor. Shunt motor. Differential compound motor. Cummulative compound motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their leakage reactance. percentage impedance. efficiency. rating. leakage reactance. percentage impedance. efficiency. rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging series field connections. shunt field connections. armature or field connections. armature connections. series field connections. shunt field connections. armature or field connections. armature connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Circle about the origin. Rectangular hyperbola Straight line parallel to the speed axis. Straight line through the origin. Circle about the origin. Rectangular hyperbola Straight line parallel to the speed axis. Straight line through the origin. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to greater than one. very low less than one. approx to one. greater than one. very low less than one. approx to one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 66.91 V. 56.91 V. 86.91 V. 76.91 V. 66.91 V. 56.91 V. 86.91 V. 76.91 V. ANSWER DOWNLOAD EXAMIANS APP