Download GTU B.Tech 2020 Summer 4th Sem 3141709 Principle Of Measurement Science Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 3141709 Principle Of Measurement Science Previous Question Paper

Seat No.: ________
Enrolment No.___________


GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 3141709 Date:28/10/2020
Subject Name: Principle of Measurement Science
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.



MARKS
Q.1 (a) Define sensor, temperature and precision.
03

(b) Draw and describe functional block diagram of measurement
04
system.

(c) Explain with a neat figure, principle, construction, working,
07
advantages and disadvantages of 2-wire,3-wire and 4-wire
RTD.


Q.2 (a) Define transducer and classify them in detail.
03

(b) Explain with a neat figure, principle, construction and working
04
of Bimetallic thermometer.

(c) Write a short note on Air Purge/Bubbler type liquid level
07
measurement with construction, working and diagram.


OR


(c) Describe the principle of level measurement using capacitance
07
and show using equations how capacitance changes with level
change.
Q.3 (a) What is the significance of dead weight of tester? Explain it
03
with schematic diagram.

(b) Explain principle for ultrasonic level measurement.
04

(c) Explain McLeod gauge for vacuum measurement with neat
07
diagram.


OR

Q.3 (a) Define the vacuum pressure. Explain pirani vacuum gauge with
03
all details.

(b) Explain rotameter type flow meter with neat sketch.
04

(c) Disc
uss the principle and construction of orifice plate
07
flowmeter.
Q.4 (a) Discuss the basic principle of manometer.
03

(b) Explain in detail thermoelectric Laws for thermocouple.
04

(c) Explain with a neat the working of a flow meter used for
07
measuring unsteady flow of gases.

OR

Q.4 (a) List out different displacer type level detectors. Explain torque
03
tube type displacer level detector.

(b) Explain doppler and transit time ultrasonic meter for flow
04
measurement.

(c) Explain stagnation point and working principle of pitot tube.
07
Q.5 (a) List out positive and negative metal combination for
03
J,K,R,S,T thermocouple.

(b) Explain working of pressure switch in detail
04
1

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(c) Explain the electromagnetic flow meter with its basic principle
07


of operation.


OR
Q.5 (a) Explain flapper-nozzle assembly in detail.
03
(b) Explain level switch.
04
(c) Explain radiation pyrometer with diagram.
07

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