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Max. Marks: 100

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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
EIGHTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2019

Course Code: AE482
Course Name: INDUSTRIAL INSTRUMENTATION

PARTA
Answer any two full questions, each carries 15 marks.

Explain the principle of operation of RTD’s
With neat sketch explain the operation of pneumatic pyrometers

How can you measure temperature using a thermistor?

Duration:

3 Hours

Marks
(7)
(8)
(5)

Explain the principle of operation and pressure measurement process using a)Bourdon (10)

tube b) Diaphragm

Explain the principle and operation of Bellows

(7)

Explain any two method of electro mechanical type pressure measuring devices with neat (8)

diagram.
PART B
Answer any two full questions, each carries 15 marks.

With neat sketch explain any two laboratory viscometers

Explain any one method of positive displacement liquid flow meter.

(10)
(5)

Discuss the different types of positive displacement gas flowmeters? Explain with neat (10)

diagram.
Define Viscosity. What are the different units of Viscosity?
With neat sketch explain any two liquid density measurement methods
Explain the significance of flow measurement
PART C
Answer any two full questions, each carries 20 marks.
Explain the operation of any two types of electromagnetic flowmeter with neat sketches

(5)
(10)
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(10)

Distinguish between the float type and displacer type liquid level gauges. How is the (10)

change in the density of the liquid taken into account in these gauges? How is the

measurement range limited in the float type system?
What is an anemometer? Explain. List its advantages and disadvantages
Explain the operation of laser doppler anemometer with necessary diagram

Explain the operation of any two types of ultrasonic level switches with neat diagrams.

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