Previous Year Exam Questions for Mechatronics - Mech of 2017 - bput by Verified Writer

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Registration no: Total Number of Pages: 01 B.Tech PEME5407 7th Semester Regular/Back Examination 2017-18 Mechatronics BRANCH : EEE, ELECTRICAL, MANUFAC, MANUTECH, MECH Time: 3 Hours Max Marks: 70 Q. CODE: B420 Answer Question No.1 which is compulsory and any five from the rest. The figures in the right hand margin indicate marks. Q1 Answer the following questions : In fourth level mechatronics what new introduce to existing mechatronics systems? Distinguish between analog and discrete signal. How does a transistor behave as a switch? Explain the range and weight of a binary number system. Draw the circuit diagram of a combined addition and subtraction operation. Define system with help of a schematic diagram. Identify the two types of AC motor. Distinguish between active and passive transducer. What are the difference between incremental and optical encoder. How are microprocessor and micro controller specified? (2 x 10) Describe about the components of a mechatronics system with specific functions. Find out the Z-transform of the functions ak and e-at. (5) A coil takes a current of 6A when connected to 24V DC supply. To obtain the same current with a 50Hz AC supply, the voltage required was 30V. Calculate the inductance of the coil and the power factor of the coil. What are the universal gates? Prove that NOR gate is an universal gate. (5) Model an electrical DC motor, explain in detail. (10) Explain the working principle and application areas of hydraulic actuator. Explain the principle of operation of Hall-effect transducer with suitable application. (5) (5) Define thermocouple with schematic diagram and explain how temperature can be measured using a thermocouple. Give one suitable circuit diagram. (10) (5) b) Explain the microprocessor based digital control with a suitable block diagram, Show the building blocks of a typical PLC with function of each block. a) b) c) d) Write short notes on any TWO : Junction Diode Load cell Strain gauge Shift registers. a) b) c) d) e) f) g) h) i) j) Q2 a) b) Q3 a) b) Q4 Q5 a) b) Q6 Q7 a) Q8 (5) (5) (5) (5 x 2)