MGVCL Exam Paper (30-07-2021 Shift 2)
Rearrange the following to form a meaningful sentence and find the most logical order from the given options. P: dancers make the company Q: and they do not have R: a big team of professional S: a ‘guru shishya’ hierarchy
For lagging power factor = (IR*cosφ + IXsinφ)/V_r For leading power factor = (IR*cosφ - IXsinφ)/V_r Zero voltage regulation occurs on leading power factor only.
Buchholz relay is gas operated relay. It will operate when internal fault occurs in transformer. It is placed between tank to main conservator. It has two contacts trip and alarm. Use of Buchholz relay in distribution transformer is not economical.
EXAMIANS