Lecture 1

1. Define sensors and list the various specifications that need to be carefully studied before using a Thermocouple for reading the temperature of a furnace.
   
   
2. Differentiate between span and range of a transducer system.
   
   
3. What do you mean by nonlinearity error? How it is different than Hysteresis error?
   
   
4. Explain the significance of the following information given in the specification of the following transducer,
   

   Thermocouple

   Sensitivity: nickel chromium/nickel aluminum thermocouple: 0.039 mV/ºC when the cold junction is at 0 ºC.

Lecture 2

1. Explain the principle of working of LVDT.
   
   
2. Describe the working of RVDT with a neat sketch.
   
   
3. List the applications of potentiometer sensor in/around your home and office/university.
   

Lecture 3

1. To detect non-conducting metallic objects which sensor would be useful?
   
   
2. If a digital optical encoder has 7 tracks, then the minimum angular motion that can be measured by this device ________________.
   
   
3. Explain in brief two applications of “Reed switch”.
   
   
4. Explain the principle of working of Hall effect sensor.
   
   
5. To detect non-conducting metallic objects which sensor would be useful?
   

Lecture 4

1. PVDF piezoelectric polyvinylidene fluoride is used in the manufacture of _________________________ sensor.
   
   
2. Suggest a suitable sensor to measure the level of sulphuric acid in a storage tank. The sensor must give an electric signal as output.
   
   
3. ‘Bellows are more sensitive than capsules'. State true or false and justify your answer.
   
   
4. State the applications of pyroelectric sensors.
   

Lecture 5

1. ‘In thermistor sensors, resistance decreases in a very nonlinear manner with increase in temperature.' State true or false and justify.
   
   
2. List the various temperature sensors used by us in/around our home/office/university.
   
   
3. Develop a conceptual design of a Light sensors based control system for counting a number of milk packets being packed for dispatch. Assume suitable data if necessary.
   

Lecture 6

1. Explain the principle of working of op-amp as an inverting amplifier.
   
   
2. What kind of signal conditioning operations will be required to develop a table top CNC turning center for small job works?
   

Lecture 7

1. State the applications of Wheatstone bridge in Mechatronics based Manufacturing Automation. Explain one of them in detail.
   
   
2. Why do we need pulse width modulation?
   
   
3. How Zener diode is different than ordinary diode?
   

Lecture 8

1. Differentiate between Binary weighted DAC and R-2R ladder based DAC.
   
   
2. Explain the importance of data conversion devices in mechatronics with suitable example.