Chapter 5 Servo Motors MCQs 15 min Score: 0 Attempted: 0/15 Subscribe 1. . Which of the following is not an example of servo mechanism? (A) Machine tool position control (B) Power steering apparatus for an automobile (C) Missile launchers (D) Temperature regulatorShow All Answers 2. . A servo control system for D.C motor is called a (A) Series control (B) Selsyn (C) Shunt control (D) AmplifyingShow All Answers 3. . Two stator windings of AC servo motor are oriented (A) 90 degree (mechanical) apart (B) 90 degree (electrical) apart (C) 180 degree (mechanical) apart (D) 180 degree (electrical) apartShow All Answers 4. . A.C. servomotor resembles (A) Two phase induction motor (B) Three phase induction (C) Direct current series motor (D) Universal motorShow All Answers 5. . A servo motor is a typical example of (A) Electronics system (B) Mechanical system (C) Computer system (D) Mechatronics systemShow All Answers 6. . The prime advantage of servo controlled voltage stabilizer over other voltage stabilizer is (A) Faster voltage connection (B) Size and weight (C) Cost (D) Frequency dependentShow All Answers 7. . A 2 phase servo motor control system uses (A) Drag cup rotor (B) Solid cylinder rotor (C) Ordinary squirrel cage rotor (D) Salient pole rotorShow All Answers 8. . A servo motor system primarily consists of three basic components (A) Controlled device (B) Output system (C) Feedback system (D) None of theseShow All Answers 9. . Which of the following features does not pertain to a servo motor (A) Nonlinear relationship between the speed and electric control signal (B) Steady state stability (C) Wide range of speed control (D) None of theseShow All Answers 10. . Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor (A) Is equal to that of a normal induction motor (B) Is less than that of a normal induction motor (C) Is greater than that of a normal induction motor (D) None of theseShow All Answers 11. . A servomechanism is a feedback control system required to control (A) Servo amplifiers and drives (B) Position (C) Some derivative of position (D) Either b) or c)Show All Answers 12. . Which of the following is an essential feature of servo-mechanism? (A) A closed loop system (B) A power amplifying stage (C) Ability to control position, velocity or acceleration of the system (D) All of the aboveShow All Answers 13. . A servomechanism with unit step input can be categorized as system (A) Type 0 (B) Type 1 (C) Type 2 (D) Type 3Show All Answers 14. . DC servo motor are used in (A) Purely AC control system (B) Both AC & DC control system (C) Purely DC control system (D) None of theseShow All Answers 15. . A servo system must have (A) Power amplifier to amplify the error (B) Feedback system (C) Capacity to control position or its derivative (D) All of theseShow All Answers
