Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 440 A. 570 A. 250 A. 340 A. 440 A. 570 A. 250 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as cogging. crawling. air gap. relative speed. cogging. crawling. air gap. relative speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 90° Greater than 90° 0° less than 90° 90° Greater than 90° 0° less than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a differentially compounded generator cumulatively compounded generator shunt generator series generator differentially compounded generator cumulatively compounded generator shunt generator series generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon size of air gap. clearance between tips of the adjacent pole shoes. all of above. shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. shape of the pole shoe. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS