In single-phase fractional horsepower motors, the centrifugal switch typically disconnects the starting winding when the motor reaches about what percentage of its synchronous speed?

Match LIST-I (Application) with LIST-II (Type of motor): Testbook LIST-I A. Machine tools B. Rolling mill drives C. Paper industry D. Overhead travelling cranes LIST-II I. Squirrel cage motors II. D.C. Motors III. Short time rated motors IV. Squirrel cage motors with clutches, slip ring Choose the correct answer from the options given below:

Which of the following is a common application of a universal motor?