engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines DC Motor DC Motor Speed Control
Consider the following statements regarding speed control methods of dc motors,
1. Field control method is used to vary the speeds above the rated speed.
2. Armature resistance control method is used to vary the speeds below & above the rated speed.
Which of the above statement(s) is/are correct?
1
1 only
2
2 only
3
1 & 2
4
None of the above