Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to all of these. zero or very low voltage supply. over load. high filed circuit resistance. all of these. zero or very low voltage supply. over load. high filed circuit resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will not start automatically. get damaged. develop very low starting torque. start automatically without trouble. not start automatically. get damaged. develop very low starting torque. start automatically without trouble. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to provide overload protection. all of above. provide protection against Low-Voltage. limit the starting current to a safer value. provide overload protection. all of above. provide protection against Low-Voltage. limit the starting current to a safer value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starter is not used with large DC motor for starting, it will all of above. draw a starting current many times its rated full load current. damage the armature and commutator. provide execessive voltage drop in line. all of above. draw a starting current many times its rated full load current. damage the armature and commutator. provide execessive voltage drop in line. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. ANSWER DOWNLOAD EXAMIANS APP
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