## MODEL QUESTION PAPER (CIE) AND (SEE)

 Test/Date and Time Semester/year Course/Course Code Max Marks Ex: I test/6 th week of sem 10-11 Am VSEM MECHATRONICS 20 Year: 2016-17 Course code:15ME54T Name of Course coordinator :                                                                                             Units:1,2 Co: 1,2   Note:  Answer all questions Question no Question MARK S CL CO PO 1 Classify the sensors and transducers 5 U 1 2 2 Define the terms: range and span, repeatability, stability, resolution, output impedance OR List the factors for selection of sensors 5 R 1 2 3 Build Decoder with seven segment display 5 A 2 2 4 Make use of sketch explain weighted-resistor DAC OR Make use of sketch explain successive approximation ADC. 5 A 2 2

MODEL QUESTION PAPER (SEE)

Diploma in Mechanical Engineering V- Semester

MECHATRONICS

Note; Answer 6 questions from part A & Any 7 from Part B

PART-A                          6x5=30

1.       Explain with a line diagram the function of each element of a measurement system

2.       Why T-Flip-Flops are most commonly used in counters?

3.       List different data presentation elements

4.       Explain Hydrostatic, solid film and boundary layer bearing.

5.       Explain briefly Adaptive Control and its three stages of operations.

6.       Explain briefly protocols and its elements.

7.       List the selection factors of PLC.

8.       Explain briefly protocols and its elements.

9.       What are the Specifications of stepper motor?

10.   List the performance features of sensors and transducers

#### PART-B7x10=70

1.       Make use of a sketch to explain the working of a diaphragm pressure gauge.

2.       Make use of a sketch to explain coded digital signal to a set of Traffic Lights

3.       Make use of a sketch to explain the working of Laser printer.

4.       Make use of a sketch to explain Zener diode protection circuit

5.       Make use of a sketch to explain Digital closed-loop Control system.

6.       Make use of a sketch to explain model of building up a thermal system.

7.       Make use of a sketch to explain rotary potentiometer.

8.       Build a ladder programming and list its sequences with line diagram

9.       Explain Continuous and discrete process Control processes.

10.   Make use of a sketch to explain design of Car Park barrier System.

11.   Explain briefly

a.     Centralized computer control

b.     Hierarchical system

c.     Distributed system Diploma in Mechanical Engineering

V Semester

Course Title: MECHATRONICS  1)          Define Mechatronics?

2)          Define system with example.

3)          Define sensors and transducers with an example.

4)          List the factors for selection of sensors.

5)          Define the terms: range and span, error, accuracy, sensitivity, hysteresis error, non- linearity error, repeatability/reproducibility, stability, dead band/time, resolution, output impedance.

6) List the performance features of sensors and transducers.

1)          Explain the importance of mechatronics.

2)          Explain with a block diagram the measurement system.

3)          Explain control systems and their types.

4)          Classify the sensors and transducers.

5)          Explain sensors for displacement, position and proximity.

6)          Explain the working of light sensors. 1)          Make use of a sketch to explain the working of pneumatic sensors.

2)          Build a line diagram and explain the function of each element of a measurement system.

3)          Make use of a sketch to explain the working of proximity switches.

4)          Make use of a sketch to explain the working of optical encoder.

5)          Make use of a sketch to explain the Hall Effect sensors.

6)          Make use of a sketch to explain the working of tachogenerator.

7)          Make use of a sketch to explain sketch bimetallic strip/thermostat.

8)          Make use of a sketch to explain the working of a diaphragm pressure gauge.

9)          Make use of a sketch to explain strain gauge load cell.

10)     Make use of a sketch to explain piezoelectric sensor.

11)     Make use of a sketch to explain turbine meter.

12)     Make use of a sketch to explain float type liquid level meter.

13)     Make use of a sketch to explain the working of LVDT.

14)     Make use of a sketch to explain the bimetallic strips. 1)          Define analog signal.

2)          What are Digital signals?

3)          List different data presentation elements.

4)          List different printers.

5)          List the selection of DAQ criteria.

6)          List the Applications of logic gates.

LEVEL: UNDERSTANDING

1)          Explain briefly BCD system.

2)          Explain briefly various data presentation elements.

3)          Explain briefly data acquisition system.

4)          Explain display.

LEVEL: APPLICATION

1.       Make use of a sketch to explain briefly weighted-resistor DAC

2.       Make use of a sketch to explain the successive approximation ADC.

3.       Construct the truth table for the following logic gates

a.     AND gate

b.     OR gate

c.     NOT gate

d.     NOR gate.

e.     NAND gate

f.      XOR gate.

4)          Make use of a sketch to explain coded digital signal to a set of Traffic Lights.

5)          Make use of a sketch to explain sequential logic system.

6)          Make use of a sketch to explain following Flipflops.

a.     Flip Flops.

b.     SR.

c.     JK.

d.     D Flip Flops.

e.     Registers.

7)          Make use of a sketch to explain dot matrix print head mechanism.

8)          Make use of a sketch to explain basic elements of a laser printer.

9)          Make use of a sketch to explain Decoder with seven segment display.

10)     Make use of a sketch to explain LCD. 1)          Define a bearing.

2)          List the uses of bearings.

3)          List all types of bearings.

4)          List different types of solid state switches.

5)          List Different types of DC motors.

6)          List Different types of AC motors.

7)          Define stepper motor.

8)          List different types of stepper motors.

9)          List the terms commonly used for specifying stepper motors.

LEVEL: UNDERSTANDING

1)          Explain Hydrostatic, solid film and boundary layer bearing.

2)          Explain in brief electrical systems.

3)          Explain the terms commonly used for specifying stepper motors.

LEVEL: APPLICATION

1)          Make use of a sketch to explain simple sensor actuation system.

2)          Make use of a sketch to explain principle of the Ratchet and Pawl.

3)          Make use of a sketch to explain basic elements of ball and roller bearings.

4)          Make use of a sketch to explain plain journal bearing.

5)          Make use of a sketch to explain Hydrodynamic bearing.

6)          Make use of a sketch to explain relays.

7)          Make use of a sketch to explain diodes.

8)          Make use of a sketch to explain MOSFETs.

9)          Make use of a sketch to explain solenoids.

10)     Make use of a sketch to explain the basic working principle of DC motor.

11)     Make use of a sketch to explain the basic working principle of AC motor. 1) List different Control Modes.

LEVEL: UNDERSTANDING

1)          Explain briefly the necessity of mathematical models.

2)          Explain electrical system building blocks.

3)          Explain thermal system building blocks

4)          Explain electromechanical system.

5)          Explain hydraulic-mechanical system.

6)          Explain Continuous and discrete process Control processes.

7)             Explain briefly Control Modes.

8)          Explain briefly Adaptive Control and its three stages of operations.

LEVEL: APPLICATION

1)          Make use of a sketch to explain different mechanical building block systems like spring, dashpot and mass.

2)          Make use of a line diagram to explain model of building up a spring -dashpot-mass mechanical system.

3)          Make use of a line diagram to explain model of building up a resister -inductor- capacitor electrical system.

4)          Make use of a sketch to explain model of building up a thermal system.

5)          Make use of a sketch to explain the rotational-translational system.

6)          Make use of a sketch to explain rotary potentiometer.

7)          Make use of a sketch to explain hydraulic system and load (without derivation).

8)          Make use of a sketch to explain Digital closed-loop Control system.

9)          Make use of a sketch to explain Velocity Control. LEVEL: REMEMBER

1.     List the different types of memories.

2.     Define Microprocessor.

3.     Define Microcontroller.

4.     Define PLC.

5.     List Input/output processing.

6.     Define counter.

7.     List the use of master relay.

8.     List the selection factors of PLC.

LEVEL: UNDERSTANDING

1)          Classify Memories.

2)          Explain the following :

a. RAM, b. ROM, c. PROM, d. EPROM, e. EEPROM

3)          Explain the architecture of Microprocessor.

4)          Explain the architecture of microcontroller.

5)          Compare Microprocessor and Microcontroller.

6)          Explain with sketch architecture of PLC

7)          Explain Input/output processing.

8)          Explain ladder programming and its sequences with line diagram.

10)     Infer the mnemonics used in PLC.

11)     Explain shift registers.

12)     Explain briefly data handling.

LEVEL: APPLICATION

1)          Construct the ladder diagram for following functions.

a.     Delay-on timer

b.     On-delay timer(TON)

c.     Timing with off-delay(TOFF)

2)          Construct a ladder diagram for input/output of counters and various ways of representing the same.

3)          Construct a PLC ladder diagram for Master Control Relay.

4)          Construct a PLC ladder diagram for Jumps. 1)          List different types of networks.

2)          List different types of network layers. 1)          Explain briefly the role of digital communications.

2)          Explain briefly

a.     Centralized computer control

b.     Hierarchical system

c.     Distributed system

3)          Explain different types of networks.

4)          Explain briefly protocols and its elements.

5)          Explain briefly the open system interconnection communication model.

6)          Explain briefly different network layers.

7)          Explain briefly serial and parallel interfaces. LEVEL: APPLICATION

1.       Make use of a neat sketch to explain Car Park barrier System.

2.       Make use of a neat sketch to explain of Engine Management Systems.

3.         Make use of a neat sketch to explain design of hard disc drive.