The purpose of retardation test on D.C. shunt machines is to find out

Related MCQs

• If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
• If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens
• Hopkinson's test on D.C. machines is conducted at
• If the field of a D.C. shunt motor gets opened while motor is running
• In D.C. shunt motors as load is reduced
• The speed of a D.C. shunt motor more than its full-load speed can be obtained by
• In a D.C. shunt motor, speed is
• In case of D.C. shunt motors the speed is dependent on back e.m.f. only because
• In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be
• The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is