Download DBATU B.Tech 2019 March 4th Semester Electrical Machines And Instruments Question Paper

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 March (Bachelor of Technology) 4th Semester Electrical Machines And Instruments Question Paper

M 507*
DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE ? ? 1
RAIGAD 402 103
Mid Semester Examination ? March - 2019
Branch: B.Tech (Electronics & Telecommunication) Sem.:- IV
Subject :Eleetrieal machines and instruments ? Subject Code:- BTESC401
Date:- 11/03/2019 Time:- 1 Hr. ? " Marks:201
Instructionsz- Assume data if required
? (Marks)
Q.No.l State True or false (06)
1. Induction motorfneeds supply'to rotate
Dc shunt motor is constant speed motor
Synchronous motors are not self starting motors /-
Step angle calculations based on Ns & NRr?r?dr-3??1
W,? A
Squirrel cage motors are rugg motors
Four point starter supports speed control methods
99'1??!?
Q.No. 2 Solve any two of the following: (3x2)
A.) What are the types of DC motors
B.) Whag do understand the SH of induction motors ,
C.) What mgmr motors
Q.N 0.3 Solve any one-of the following (8)
(A) Derive an exprwsxon for EMF generated by DC generator.
, (B) How does the induction motor works by means of its components.