FAULTS THEIR CAUSES AND REMEDIES OF SINGLE PHASE A.C. MOTORS MCQs – CHAPTER 4 DAE 10 min Score: 0 Attempted: 0/10 Subscribe 1. Single phase motor is preferred due to: (A) Low price (B) High efficiency (C) None of these (D) Both a & bShow All Answers 2. Single phase motor is commonly used: (A) In industries (B) For home appliances (C) At business places (D) All of theseShow All Answers 3. Single phase capacitor start motor does not start; possible reasons: (A) Low voltage (B) Open circuit (C) Overload (D) All of theseShow All Answers 4. Speed of single phase motor is low; possible reasons: (A) Short circuit (B) Open circuit (C) Low voltage (D) Load is too lowShow All Answers 5. It is such type of motor that runs on both supplies: A.C & D.C: (A) Induction motor (B) Synchronous motor (C) Universal motor (D) Repulsion motorShow All Answers 6. Single phase motor gets heated up: (A) Overload (B) Both a & b (C) Short circuit in winding (D) None of theseShow All Answers 7. Starting torque of universal motor is low; possible reasons: (A) Open circuit in field coil (B) Open circuit in armature winding (C) None of these (D) Carbon brushes not set in neutral positionShow All Answers 8. How many types of synchronous motor: (A) 1 (B) 4 (C) 3 (D) 2Show All Answers 9. Reluctance motor is type of: (A) Single phase synchronous motor (B) Universal motor (C) Both a & b (D) Single phase induction motorShow All Answers 10. Universal motor is also called: (A) Induction motor (B) Commutator motor (C) Synchronous motor (D) Wound rotor motorShow All Answers