Sure, here are 25 unique and accurate MCQs about three-phase induction motors: 1. The rotating magnetic field in a three-phase induction motor is produced by: A. The stator windings B. The rotor windings C. The air gap D. the centrifugal force Answer: (A) 2. The speed of the rotating magnetic field in a three-phase induction …
25+ MCQs about single-phase induction motors: 1. Which of the following is not a type of single-phase induction motor? A. Shaded pole motor B. Capacitor start motor C. Capacitor run motor D. Split-phase motor Answer: (C) 2. Which of the following types of single-phase induction motors has the highest starting torque? A. Shaded pole motor …
MCQs about Reluctance Motors: 1. Which of the following is the most common type of reluctance motor? A. Switched reluctance motor B. Variable reluctance motor C. Synchronous reluctance motor D. Permanent magnet reluctance motor Answer: (A) 2. What is the main difference between a switched reluctance motor and a variable reluctance motor? A. The switched …
25 MCQs about Synchronous Motors: 1. The speed of a synchronous motor is determined by: A. The frequency of the AC supply B. the number of poles on the rotor C. The excitation current D. both the frequency of the AC supply and the number of poles on the rotor Answer: (C) 2. The torque …
1. What is a servo motor? A. A motor that uses a feedback loop to control its position. B. A motor that uses a variable reluctance to control its speed. C. A motor that uses a permanent magnet to control its torque. D. A motor that uses a stepper motor to control its position. Answer: …
1. Which of the following is NOT a type of stepper motor? A. Permanent magnet stepper motor (PMSM) B. Variable reluctance stepper motor (VRSM) C. Hybrid stepper motor D. Stepper motor Answer: (D) 2. In a stepper motor, the stator is made of ________ material. A. Magnetic B. Non-magnetic C. Insulating D. Conducting Answer: (A) …
1. A universal motor is a type of motor that can operate on: A. Both AC and DC B. AC only C. DC only D. None of the above Answer. (A) 2. The speed of a universal motor is proportional to: A. The voltage applied B. The current applied C. The square of the voltage …
1. What type of motor is a hysteresis motor? a) AC motor b) DC motor c) Universal motor d) Hysteresis motor Answer: d) Hysteresis motor 2. The hysteresis motor operates on ___________ power. a) Single-phase b) Two-phase c) Three-phase d) Four-phase Answer: a) Single-phase 3. Which of the following statements is true for the hysteresis …
2. In a DC shunt motor, the field winding is connected in __________ with the armature winding. a) Series b) Parallel c) Series-parallel d) None of the above Answer: b) Parallel 3. Which of the following statements is true for a DC shunt motor under no-load conditions? a) The speed is maximum b) The speed …
1. What type of motor is an asynchronous motor? a) AC motor b) DC motor c) Synchronous motor d) Asynchronous motor Answer: d) Asynchronous motor 2. The asynchronous motor operates on ___________ power. a) Single-phase b) Two-phase c) Three-phase d) Four-phase Answer: c) Three-phase 3. Which of the following statements is true for the asynchronous …