Electrical Machines which of the following losses are negligible in blocked rotor test? copper loss iron loss both A and B mechanical loss copper loss iron loss both A and B mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine slip positive sequence reactance and negative sequence reactance All of these direct axis reactance and quadrature axis reactance slip positive sequence reactance and negative sequence reactance All of these direct axis reactance and quadrature axis reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a DC cummulative compound wound motor is loaded Torque and speed both increase. Torque decrease and speed increases. Torque increase and speed decrease. Both torque and speed decrease. Torque and speed both increase. Torque decrease and speed increases. Torque increase and speed decrease. Both torque and speed decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will get over heated. not run. run normally. make noise. get over heated. not run. run normally. make noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 0. 2000. 1000. 500. 0. 2000. 1000. 500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC shunt motor with armature resistance control. DC compound motor. DC series motor. DC shunt motor with field weakening control. DC shunt motor with armature resistance control. DC compound motor. DC series motor. DC shunt motor with field weakening control. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS