Which statement out of the following is a wrong statement with regard to Induction motor?

A) Auto-transformer starter is costlier to “direct on line” (DOL) starter
B) DOL starter is used for motors up to 5 horse power only
C) Auto transformer starter is used for motors up to 20 horse power only
D) Star delta starter connects the motor first in delta at the time of starting then in star for running




Answer : D) Star delta starter connects the motor first in delta at the time of starting then in star for running