03000AE304052003 Pages:

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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Sixth Semester B.Tech Degree Regular and Supplementary Examination July 2021

Course Code: AE304
Course Name: INDUSTRIAL INSTRUMENTATION

PARTA
Answer any two full questions, each carries 15 marks.
Explain the working of Fluidic sensors.

Explain the working of McLeod gauge & Knudsen gauge with neat diagrams.

What are the different types of thermistors? Describe temperature measuring
methods using thermistors.
Illustrate how pressure is converted to current using flapper and nozzle assembly.
With neat diagrams explain the working of Pneumatic and Suction pyrometers.
Explain the working of Torque balance type pneumatic transmitters.
PART B

Answer any two full questions, each carries 15 marks.

Explain any one method for liquid density measurement

Explain the basics of Flow measurement. List the different types of Flowmeters
used.
What is Viscosity? Define Specific viscosity and Relative Viscosity.

Write notes on any two types of Variable area flow meters.
Explain the working of Saybolt Viscometer with suitable diagram.

Describe the working of Oscillating piston type positive displacement flow
meter.
Explain the working of any two Gas densitometers.
PART C
Answer any two full questions, each carries 20 marks.
Explain about Paddle type flow switch and Capacitance type flow switch.

Describe any two types of Vibrating Level Switches in detail.
Explain the principle and working of Vortex flow meters. List out its advantages.
Explain the working of any two types of Differential pressure level detectors.

Differentiate between Float & Displacer? Discuss about any two Float level
devices.
Explain Impeller-Turbine and Twin-Turbine mass flowmeters with neat sketches.

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Duration: 3 Hours

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