If a D.C. shunt motor is working at full load and if shunt field circuit suddenlyopens

Related MCQs

• If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
• Two D.C. shunt generators, each with armature resistance of 0.02 ohm and field resistance of 50 ohm run in parallel and supply a total current of 1000 amperes to the load circuit. If their e.m.fs. are 270 V and 265 V, their bus bar voltage will be
• The speed of a D.C. shunt motor more than its full-load speed can be obtained by
• If the field of a D.C. shunt motor gets opened while motor is running
• The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load.The speed regulation of the motor is
• In a differentially compounded D.C. motor, if shunt field suddenly opens
• If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will
• As -the load is increased the speed of D.C. shunt motor will
• The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage
• For the same H.P. rating and full load speed, following motor has poor starting torque