Electrical Machines The current drawn by a DC motor at the time of starting is Normal. Very low. Very high. Zero. Normal. Very low. Very high. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Series motor. Differential compound motor. Shunt motor. Cummulative compound motor. Series motor. Differential compound motor. Shunt motor. Cummulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to limit the starting current to a safer value. all of above. provide overload protection. provide protection against Low-Voltage. limit the starting current to a safer value. all of above. provide overload protection. provide protection against Low-Voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where high starting torque. low starting torque. power factor is less. less costly motor is not required. high starting torque. low starting torque. power factor is less. less costly motor is not required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to 0.5 p.u 0.25 p.u 0.75 p.u 0.125 p.u 0.5 p.u 0.25 p.u 0.75 p.u 0.125 p.u ANSWER DOWNLOAD EXAMIANS APP