The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load.The speed regulation of the motor is
A)2.36%
B)4.76%
C)6.77%
D)8.84%

Question

Quizplus · Accepted Answer

Speed regulation is calculated as the difference between no-load speed and full-load speed, divided by full-load speed, all multiplied by 100 to get a percentage. Here, it is ((1100 - 1050) / 1100) * 100 = 4.76%.

The Speed of a Motor Falls from 1100 R