Electrical Machines Tertiary winding in a transformer is mostly zig - zag star connected. star connected. delta connected. zig - zag delta connected. zig - zag star connected. star connected. delta connected. zig - zag delta connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to limit the starting current to a safer value. provide protection against Low-Voltage. all of above. provide overload protection. limit the starting current to a safer value. provide protection against Low-Voltage. all of above. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying resistance of armature culture. all of these. its flux oer pole. applied voltage. resistance of armature culture. all of these. its flux oer pole. applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? Synchronous motor. DC series motor. Single phase induction motor. AC slip ring motor. Synchronous motor. DC series motor. Single phase induction motor. AC slip ring motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW? generator 1 gets over load 200 MW and 400MW None of these generator 2 gets over load generator 1 gets over load 200 MW and 400MW None of these generator 2 gets over load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS