Which one of the following is not the function of pole shoes in a D.C. machine ?

Related MCQs

• Which of the following method of speed control of D.C. machine will offer minimum efficiency ?
• Which D.C. motor will be preferred for machine tools ?
• The hysteresis loss in a D.C. machine least depends on
• Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?
• Which of the following motors one will choose to drive the rotary compressor ?
• Which motor should not be started on no-load ?
• One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven
• B. DC MOTOR 1. No-load speed of which of the following motor will be highest ?
• Which of the following application requires high starting torque ?
• In which of the following applications D.C. series motor is invariably tried?