MS6301 Electrical and Electronics Engineering, Second year, Department of Mechanical Sandwich, Model Exam Questions

PART - A (5 x 2 = 10Marks)
1.     Define Kirchoff’s laws.
2.     What is the basic principle operation of DC motors?
3.     What are the types of Single phase induction motors?
4.     List Industrial applications of AC drives.
5.      Draw V-I characteristics of Zener diode?
6.      Define Half wave and Full wave rectifier.
7.      List out ideal characteristics of operational amplifier?
8.      Draw logical diagram of full adder with necessary equation.
9.      What are the addressing modes used in the 8085 microprocessor?
10.  What is meant by DMA?
                                           
               PART-B
1. (a) (i) Explain the characteristics of series and shunt compound motor.(ii). Single phase AC circuits power , power factor.                                                                                      (13)
(or)
(b).Describe torque-speed characteristics of of a DC shunt and Dc series motor with derivation to justify their shape.                                                                                      (13)
2. (a) Explain in details about the determination of power rating of drive motor.                 (13)
(or)
(b)Describe torque-speed characteristics of a 3 phase induction motor with neat sketch. (13)
3. (a)Explain the input and output characteristics of depletion and enhancement type MOSFET.                                                                                                                                   (13)
(or)
(b)            Explain the operation of full wave rectifier with capacitive filter. Derive the far ripple factor.                                                                                                                        (13)                 
4. (a) Explain Integrator and differentiator with necessary equations.                              (13)
(or)
(b) (i) What is meant by full adder derive logical expression for full adder and half adder.(7)
(ii) Explain the operation of master slave JK flip flop with truth table and logical diagram.(6)
5. (a) Explain the 8085 internal architecture with neat sketch.                                          (13)
(or)
     (b) Explain instruction set and addressing modes of 8085 microprocessor.                 (13)
PART -C
16.        Explain in detail about PLC and how it’s application in industries with examples.     (15)