Question Paper: Transducers - 2 Question Paper - December 2015 - Instrumentation Engineering (Semester 4) - Mumbai University (MU)
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## Transducers - 2 - December 2015

### MU Instrumentation Engineering (Semester 4)

Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

### Attempt any four

1(a) What is 'ORP ' ? Why it is required to measure ? 5 marks

1(b) Explain 'Vena contracta' with pressure diagram. 5 marks

1(c) Derive Bernouli's equation. 5 marks

1(d) Explain types of strain gauges. 5 marks

2(a) Classify flow transducers. Explain with diagram variable Area type flow meter. 5 marks

2(b) Explain working of 'Mcleod Gauge'. 5 marks

3(a) Compare venturi meter and orifice meter. 5 marks

3(b) A strain gauge is bonded to abeam 0.1 m long and has a cross sectional are a 4 cm3. Youngs modulus for steel is 207 Gn/m. The stain gauge has an unstrained resistance of 240ω and gauge factor of 2.2 when a load is applied , the resistance of gauges changes by 0.013 Ω. Calculate the change in length of the steel beam and an amount of force applied to the beam. 5 marks

4(a) Explain with neat diagram pressure measurement scheme using primary and secondary transducer 5 marks

4(b) Explain conductivity measurement scheme using suitable diagram. Also explain details about electrodes. 5 marks

5(a) List the different flow measurement systems. Explain with diagram Ultrasonic flow measurement system. 5 marks

5(b) Classify pressure transducers. Draw neat sketch of pressure sensing elastic elements. Explain with diagram different types of manometers. Also give their mathematical expression. 5 marks

### Write short note on (any two):-

6(a) Dead weight Tester 5 marks

6(b) Bulk modulus 5 marks

6(c) Force measurement 5 marks

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