Exam Details

Subject Mechatronics
Paper
Exam / Course Diploma in Mechanical Engineering (DMEVI)& B.Tech. MECHANICAL ENGINEERING 1-4 (BTMEVI)
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2015
City, State new delhi,


Question Paper

Identify the sensor, signal conditioner, and display elements in the measurement systems of a mercury-in-glass thermometer.

Explain the difference between open-loop and closed-loop control systems with the help of examples.

Explain what is meant by sequential control and illustrate your answer by an example.

Explain the significance of the following information given in the specification of transducers

A piezoelectric accelerometer

Non-linearity: ±0.5% of full range

Thermocouple:

Sensitivity nickel chromium -nickel aluminium thermocouple

0.039 mV/°C when the cold junction is at O°C..

An inverting amplifier has an input resistance of 2 k ohm. Determine the feedback resistance needed to give a voltage gain of 100.

Explain the working and draw the symbols for a pressure relief valve, and a 2/2 valve which has actuators of a push-button and a spring.

Describe the principle of working of pilot operated valve.

A force of 400 N is required to open a process control valve. What area of diaphragm will be needed with a diaphragm actuator to open the valve with a control gauge pressure of 70 kPa

A hydraulic cylinder is to be used to move a work-piece in a manufacturing operation through a distance of 50mm in 10 sec. A force of 10 kN is required to move the work-piece. Determine the required working pressure and hydraulic liquid flow rate, if a cylinder with a piston diameter of 100 mm is available.

Explain the principle of the brushless d.c. permanent magnet motor.

Explain, fora microprocessor, the roles of

accumulator,

status,

memory address, and

program counter registers.

How does a microcontroller differ from a microprocessor Explain with respect to specific applications.

Draw the ladder rungs to represent two switches which are normally open and both have to be closed for a motor to operate.

What are the major advantages of Non-Destructive Testing? State some main NDT and their fields of application.

State whether the following statements are True or False

Brinell test is done to assess the hardness of a metal.

Radiography can be done using X-rays or y-rays (both).

Radiography is a cheaper NDT.

Surface roughness assessment uses a capacitance probe.

Magnetic particle inspection can be done on ferromagnetic materials only.

How do you classify transducers? Describe the working of any type of transducer. Also list out some industrial applications of transducers.


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Advanced Dynamics Of Machine
  • Automobile Engineering
  • Combustion Engineering
  • Computer Aided Manufacturing
  • Computing Aided Design
  • Design of Machine Elements
  • Engineering Metallurgy
  • Engineering Thermodynamics
  • Experimental Stress Analysis
  • Finite Element Analysis
  • Fluid Mechanics
  • Heat And Mass Transfer
  • Heat Transfer
  • I.C. Engines
  • Industrial Engineering
  • Industrial Ergonomics
  • Industrial Measurement And Quality Control
  • Industrial Organization And Management
  • Kinematics and Dynamics of Machines
  • Machine Design - I
  • Machine Design-Ii
  • Machine Drawing
  • Machines Tools
  • Maintenance Engineering
  • Material Science
  • Materials Handling
  • Mechanical System Design
  • Mechanical Vibration
  • Mechanics Of Materials
  • Mechatronics
  • Metrology
  • Metrology And Quality Control
  • Non-Conventional Energy Resources
  • Non-Destructive Testing
  • Nuclear Power Engineering
  • Optimisation Techniques In Engineering
  • Optimization For Engineering Design
  • Power Plant Engineering
  • Power Transmitting Elements
  • Product Development And Design
  • Production And Operations Management
  • Production Technology - Ii
  • Production Technology-I
  • Refrigeration And Air Conditioning
  • Refrigeration System
  • Robotics
  • Safety Engineering
  • Technical Entrepreneurship
  • Thermal Engineering
  • Thermal Engineering - I
  • Thermofluid Engineering
  • Total Quality Management (Tqm)
  • Tribology
  • Turbo Machines
  • Unconventional Manufacturing Processes
  • Welding Engg.