Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 March (Bachelor of Technology) 4th Semester Electrical Machines Question Paper
Mid semes?ter Examination ? MARCH-2019
Course: B. T ech in _Electrical Engineering Sem: 15L
Subject Name: Electrical Machine-I Subject Code: BTEEC 401 ?
Max Marks: 20 Datez-l 1th MARCH 2019 Duration:- 1 Hr. ?
Instructions to the Students:
1. All questions are compulsory
2.
3.
4
(Level/CO) Mark
Solve the following
LBuchholz relay is used in :
(a)oi| immersed transformer
(b)dry type transformer
(c) in both (a) & (b)
(d) None 01? the above.
2.Transformer change the level of ........ while transferring the energy from one circuit
to another '
(a)p0wer
(b)voltage
(c)frequency
(d) Both (a) & (b).
3.The purpose of lamination in transformer core is to minimize ?
(a) copper loss (b) friction loss
(0) windage loss _ (d) eddy current loss
4.The rating of transformer are in. . . ..
(a) KW
(b) Watt
(c) KVA
(d) None ofthe above
SQITRUE?OR FALSE::Secb?aarylbeTtiSialwa ?15???" >_ r
(a)True" ? '
(b)False
This post was last modified on 21 January 2020