A three phase induction motor runs on 60 Hz power line at 1070 rpm at full load. The motor has one pair of poles for each phase. What is most nearly the motor's synchronous speed ?

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Question
QUESTION 1
A three phase induction motor runs on 60 Hz power line at 1070 rpm at full load. The motor has one pair of
poles for each phase. What is most nearly the motor's synchronous speed ?
1200 rpm
900 rpm
1600 rpm
O 300 rpm
QUESTION 2
What is most nearly the motors full -load slip, from question #1 ?
O 10.8 9%
3.2 %
14.2 %
2.7 %
Transcribed Image Text:QUESTION 1 A three phase induction motor runs on 60 Hz power line at 1070 rpm at full load. The motor has one pair of poles for each phase. What is most nearly the motor's synchronous speed ? 1200 rpm 900 rpm 1600 rpm O 300 rpm QUESTION 2 What is most nearly the motors full -load slip, from question #1 ? O 10.8 9% 3.2 % 14.2 % 2.7 %
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