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/4Sa² PZL/4S PZL/ 4Sa PZL/4SP² PZL/4Sa² PZL/4S PZL/ 4Sa PZL/4SP² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor is used in paper machines? DC compound motor. DC Shunt motor. DC series motor. Separately excited DC motor. DC compound motor. DC Shunt motor. DC series motor. Separately excited DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will run normally. get over heated. make noise. not run. run normally. get over heated. make noise. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? flux(φ) armature current(Ia) both A and B None of these flux(φ) armature current(Ia) both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of None of these fractional kW DC machines. DC machines bellow 5 kW. DC machines above 10 kW. None of these fractional kW DC machines. DC machines bellow 5 kW. DC machines above 10 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to a DC source. to earth. in reverse. to an AC source. to a DC source. to earth. in reverse. to an AC source. ANSWER DOWNLOAD EXAMIANS APP
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