AKTU Sensors and Transducers · Important Questions 2026Source: ryzenstudy.com PYQs
BEE052 Sensors and Transducers Important Questions 2026 (AKTU)
Repeat analysis + most-asked questions, unit-wise
What we did: built from all 3 AKTU Sensors and Transducers papers (2021-22–2024-25): 73 questions grouped into 52 distinct questions, 14 of which were asked in more than one paper.
- of marks were repeat questions
- —
- of marks were repeat questions
- questions asked in 2+ papers
- 14
- questions asked in 2+ papers
- papers analysed (2021-22–2024-25)
- 3
- papers analysed (2021-22–2024-25)
- units, mapped to current syllabus
- 5
- units, mapped to current syllabus
How much of the paper repeats?
- Not enough papers yet to measure this for this subject.
Across 10 subjects and 23 papers we tested, 43% of marks repeated earlier questions on average.
1.Unit-wise most-asked questions
Ranked by how many papers asked them, then by how recently. Click a paper to open it.
Unit 1:
20% of past marks| Question | Asked |
|---|---|
| How are force and pressure measured using strain gauges, load cells and piezoelectric sensors? | Asked 2× |
| Define transducers and classify them | Asked 2× |
| Explain the working of an LVDT for displacement measurement. | Asked 2× |
| Explain measurement of pressure using LVDT based diaphragm. | Asked 2× |
Unit 2:
22% of past marks| Question | Asked |
|---|---|
| Describe the role of Hall effect sensors in position measurement | Asked 2× |
| What is the concept of thermal imaging? Also explain its applications in various fields | Asked 2× |
| If the reference junction is now raised to 25°C, and the thermocouple still generates 4.5 mV, calculate the new temperature of the measurement junction | Asked 1× |
| Explain the principles of temperature measurement using Thermistors, Thermocouples and RTD 7 marks2024-25 Q2(b) | Asked 1× |
Unit 3:
19% of past marks| Question | Asked |
|---|---|
| Describe the role of CCD and CMOS sensors in imaging. Compare their functionalities in terms of sensitivity, resolution, and power consumption | Asked 2× |
| Explain the difference between machine vision and computer vision. Discuss the components and applications of a typical machine vision system | Asked 2× |
| Determine the need of training the vision system in a pick and place robot | Asked 2× |
| How does a machine vision system assist a pick-and-place robot? Describe the sensing, digitizing, image processing, and training steps involved 7 marks2024-25 Q6(b) | Asked 1× |
Unit 4: · Data Acquisition Systems and Conversion
20% of past marks| Question | Asked |
|---|---|
| What are the main functions of signal conditioning equipment? Explain the types of amplifiers used in instrumentation systems | Asked 3× |
| What is data acquisition system? | Asked 3× |
| Explain the importance of data conversion in modern instrumentation systems. Discuss the principles of analog-to-digital (ADC) and digital-to-analog (DAC) converters 7 marks2024-25 Q7(b) | Asked 1× |
| Describe the configuration and objectives of a data acquisition system (DAS). How do analog and digital I/O, counters, and timers contribute to the DAS? 7 marks2024-25 Q7(a) | Asked 1× |
Unit 5:
19% of past marks| Question | Asked |
|---|---|
| Explain the applications of smart sensors in smart cities, industrial robots, and electric vehicles. How do they enhance the efficiency and reliability of these systems? | Asked 3× |
| Describe the general structure and components of smart sensors. Discuss the characteristics of smart sensors, including self-calibration, self-testing and self-communication | Asked 2× |
| Explain self-calibration feature of smart sensor. | Asked 2× |
| Discuss the working of smart sensors for body temperature and blood oxygen measurement. Explain their integration into wearable devices 7 marks2024-25 Q8(b) | Asked 1× |
2.Topic weightage: which topics carry the marks
Blue = Tier 1 + Tier 2 (topics that carried ~80% of past marks). Grey = the rest. It shows where marks have gone, not a promise of what comes next.
Temperature: thermistor, thermocouple, RTD · U2
9.4% (cum 9%)
Imaging sensors: CCD & CMOS · U3
6.4% (cum 16%)
DAS configuration & objectives · U4
6.1% (cum 22%)
Signal conditioning functions · U4
5.9% (cum 28%)
Training vision system (pick & place) · U3
4.9% (cum 33%)
Smart cities · U5
4.9% (cum 38%)
Force: strain gauge & load cell · U1
4.7% (cum 42%)
Transducer basics & classification · U1
4.2% (cum 47%)
Pressure: LVDT diaphragm & piezoelectric · U1
4% (cum 51%)
Accelerometer & vibration sensors · U2
4% (cum 55%)
Displacement: potentiometer · U1
3.9% (cum 58%)
Smart sensor structure · U5
3.8% (cum 62%)
Machine vs computer vision · U3
3.5% (cum 66%)
Thermal imaging · U2
3.4% (cum 69%)
Electric vehicles · U5
3.4% (cum 73%)
Amplifiers · U4
2.9% (cum 75%)
Smart sensor characteristics · U5
2.9% (cum 78%)
Data conversion (ADC/DAC) · U4
2.9% (cum 81%)
Industrial robots · U5
2.7% (cum 84%)
Hall effect position sensors · U2
2.6% (cum 87%)
Counters & timers · U4
2.3% (cum 89%)
Machine vision benefits & applications · U3
2% (cum 91%)
Sensing & digitizing · U3
1.7% (cum 93%)
Optical encoder · U1
1.7% (cum 94%)
LVDT · U1
1.5% (cum 96%)
Flow sensors · U2
1.5% (cum 97%)
Body temperature & blood oxygen · U5
1.5% (cum 99%)
Proximity sensors · U2
0.7% (cum 99%)
Image processing & analysis · U3
0.7% (cum 100%)
| Topic | Papers | Share |
|---|---|---|
| Temperature: thermistor, thermocouple, RTD · Unit 2 · Tier 1 | 2/3 | 9.4% |
| Imaging sensors: CCD & CMOS · Unit 3 · Tier 1 | 3/3 | 6.4% |
| DAS configuration & objectives · Unit 4 · Tier 1 | 3/3 | 6.1% |
| Signal conditioning functions · Unit 4 · Tier 1 | 3/3 | 5.9% |
| Training vision system (pick & place) · Unit 3 · Tier 1 | 3/3 | 4.9% |
| Smart cities · Unit 5 · Tier 1 | 3/3 | 4.9% |
| Force: strain gauge & load cell · Unit 1 · Tier 1 | 2/3 | 4.7% |
| Transducer basics & classification · Unit 1 · Tier 1 | 2/3 | 4.2% |
| Pressure: LVDT diaphragm & piezoelectric · Unit 1 · Tier 1 | 2/3 | 4% |
| Accelerometer & vibration sensors · Unit 2 · Tier 2 | 2/3 | 4% |
| Displacement: potentiometer · Unit 1 · Tier 2 | 2/3 | 3.9% |
| Smart sensor structure · Unit 5 · Tier 2 | 2/3 | 3.8% |
| Machine vs computer vision · Unit 3 · Tier 2 | 2/3 | 3.5% |
| Thermal imaging · Unit 2 · Tier 2 | 2/3 | 3.4% |
| Electric vehicles · Unit 5 · Tier 2 | 2/3 | 3.4% |
| Amplifiers · Unit 4 · Tier 2 | 2/3 | 2.9% |
| Smart sensor characteristics · Unit 5 · Tier 2 | 3/3 | 2.9% |
| Data conversion (ADC/DAC) · Unit 4 · Tier 2 | 3/3 | 2.9% |
| Industrial robots · Unit 5 · Tier 3 | 2/3 | 2.7% |
| Hall effect position sensors · Unit 2 · Tier 3 | 2/3 | 2.6% |
| Counters & timers · Unit 4 · Tier 3 | 2/3 | 2.3% |
| Machine vision benefits & applications · Unit 3 · Tier 3 | 1/3 | 2% |
| Sensing & digitizing · Unit 3 · Tier 3 | 1/3 | 1.7% |
| Optical encoder · Unit 1 · Tier 3 | 1/3 | 1.7% |
| LVDT · Unit 1 · Tier 3 | 2/3 | 1.5% |
| Flow sensors · Unit 2 · Tier 3 | 1/3 | 1.5% |
| Body temperature & blood oxygen · Unit 5 · Tier 3 | 1/3 | 1.5% |
| Proximity sensors · Unit 2 · Tier 3 | 1/3 | 0.7% |
| Image processing & analysis · Unit 3 · Tier 3 | 1/3 | 0.7% |
3.Paper pattern (2024-25)
| Section | Questions | Rule |
|---|---|---|
| A | 7 × 2 marks | Attempt all |
| B | 5 × 7 marks | Attempt any 3 |
| C | 12 × 7 marks | Attempt any 1 |
4.In the syllabus, never asked yet
Low priority, but read them once — a new paper can always start here.
- Level sensors · U2
- Analog & digital I/O · U4
5.Study order
- 1Temperature: thermistor, thermocouple, RTD (Unit 2, Tier 1)
- 2Imaging sensors: CCD & CMOS (Unit 3, Tier 1)
- 3DAS configuration & objectives (Unit 4, Tier 1)
- 4Signal conditioning functions (Unit 4, Tier 1)
- 5Training vision system (pick & place) (Unit 3, Tier 1)
- 6Smart cities (Unit 5, Tier 1)
- 7Force: strain gauge & load cell (Unit 1, Tier 1)
- 8Transducer basics & classification (Unit 1, Tier 1)
- 9Pressure: LVDT diaphragm & piezoelectric (Unit 1, Tier 1)
- 10Accelerometer & vibration sensors (Unit 2, Tier 2)
- 11Displacement: potentiometer (Unit 1, Tier 2)
- 12Smart sensor structure (Unit 5, Tier 2)
- 13Machine vs computer vision (Unit 3, Tier 2)
- 14Thermal imaging (Unit 2, Tier 2)
- 15Electric vehicles (Unit 5, Tier 2)
- 16Amplifiers (Unit 4, Tier 2)
- 17Smart sensor characteristics (Unit 5, Tier 2)
- 18Data conversion (ADC/DAC) (Unit 4, Tier 2)
FAQ
Which units of BEE052 carry the most marks?
Unit 2 (, 22% of past marks) and Unit 1 (, 20% of past marks).
Do AKTU Sensors and Transducers questions repeat?
14 questions have appeared in more than one of the 3 papers so far. There are not enough papers yet to measure the repeat share reliably.
How is this list made?
Every question from the 3 papers (2021-22–2024-25) was mapped to the current AKTU syllabus and grouped with the same question from other years. Questions are ranked by how many papers they appeared in, then by how recently.
Study this subject
Note: this is based on past AKTU papers, not a guarantee. Questions are mapped to the current syllabus; topics that are no longer in the syllabus are left out.