Electrical Machines Damper winding is used to both 1 and 2. suppress the hunting. decrease the load current. increase the load current. both 1 and 2. suppress the hunting. decrease the load current. increase the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? All of these. Field flux. Armature current Ia. Applied voltage. All of these. Field flux. Armature current Ia. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of fractional kW DC machines. DC machines above 10 kW. None of these DC machines bellow 5 kW. fractional kW DC machines. DC machines above 10 kW. None of these DC machines bellow 5 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is less and maximum torque decreases more and maximum torque decreases less and maximum torque increases more and maximum torque remains constant less and maximum torque decreases more and maximum torque decreases less and maximum torque increases more and maximum torque remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam can never be equal to pole pitch. none of above. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. can never be equal to pole pitch. none of above. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? RBY BRY All of these BYR RBY BRY All of these BYR ANSWER DOWNLOAD EXAMIANS APP
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