Question Paper: Mechatronics & Microprocessor : Question Paper Jun 2014 - Mechanical Engineering (Semester 6) | Visveswaraya Technological University (VTU)
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Mechatronics & Microprocessor - Jun 2014

Mechanical Engg. (Semester 6)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.
1 (a) Discuss a measurement system and its constituent elements.(8 marks) 1 (b) Explain programmable logic controller.(4 marks) 1 (c) Illustrate the basic elements of a microprocessor based engine management system.(8 marks) 2 Illustrate the following proximity sensors:
i)Capacitive type
ii)Pneumatic type.
(20 marks)
3 (a) Discuss the construction and operation of permanent magnet DC motor.(8 marks) 3 (b) Illustrate any two types of DC motor configurations.(8 marks) 3 (c) Illustrate the construction and working of an electrical relay.(4 marks) 4 (a) Discuss the inverting and non inverting configurations Of OPAMPS.(8 marks) 4 (b) Illustrate how OPAMPS can be realized for an adding operation.(5 marks) 4 (c) Illustrate a DAQ system.(7 marks) 5 (a) Present the Boolean expression symbols and truth tables for 3 input NAND gate and 3 input NOR gate.(10 marks) 5 (b) Write the Boolean algebra expressions for the following: i) Commutative law. ii) Associative law. Iii) Distributive law.(6 marks) 5 (c) For the circuit shown in fig Q5(c) Obtain the expression for Y in terms of X0, X1 , A and B inputs. (4 marks) 6 Discuss the following with respect to internal architecture of a microprocessor.
a) A typical memory device.
b) Instruction register.
(20 marks)
7 (a) Discuss the terms 'BCS' with reference to the architecture of a microprocessor.(10 marks) 7 (b) Discuss the different addressing modes used in microprocessors with an example for each.(10 marks) 8 (a) Explain fetch execute and instruction cycles with a diagram.(6 marks) 8 (b) Illustrate the data flow memory to the data register.(8 marks) 8 (c) Illustrate the terms machine cycle and state, associated with microprocessors.(6 marks)

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