LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
26 views
in General by (55.0k points)
closed by
A 10 kW, 400 V, 3 phase induction motor is started with direct on line starter. The motor current and power factor at starting will be _______ respectively
1. 20 A, 0.2
2. 20 A, 0.6
3. 120 A, 0.6
4. 120 A, 0.2

1 Answer

0 votes
by (37.2k points)
selected by
 
Best answer
Correct Answer - Option 4 : 120 A, 0.2

At starting the motor current is 5 to 8 times of full load current. The power factor at starting is very less. Hence the option (4) is correct.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...