Download GTU BE/B.Tech 2019 Summer 4th Sem New 2143402 Metrology And Computer Aided Inspection Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem New 2143402 Metrology And Computer Aided Inspection Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2143402 Date:17/05/2019
Subject Name: Metrology and Computer Aided Inspection
Time: 02:30 PM TO 05:00 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 Limits, Fits & Tolerance. 03
(b) Write short note on Dimensional Tolerance & Form Tolerance. 04
(c) Differentiate b/w Line standard & End standard. 07

Q.2 (a) Define inspection & its need. 03
(b) Write short note on maintenance of measuring instrument. 04
(c) Define Sensitivity, Repeatability, Magnification, Readability and
Reproducibility of measuring instrument.
07
OR
(c) Give classification of comparators & explain Dial indicator with
sketch.
07


Q.3 (a) Explain how to measure the unknown angle by using Sin Bar. 03
(b) Write short note on Limit Gauge. 04
(c) Explain the working principle of Micrometer with neat sketch. 07
OR
Q.3 (a) Define Surface Roughness. 03
(b) Define following terms-Waviness, Lay, Sample length, flaws. 04
(c) Explain Profilometer with neat sketch. 07

Q.4 (a) Explain the application of Laser Interferometer in testing of machine
tools.
03
(b) Define Straightness, Flatness, Roundness, Circularity, concentricity. 04
(c) Write short note about Tool Maker?s Microscope with neat sketch. 07
OR
Q.4 (a) Write short note on Bevel Protractor. 03
(b) Explain & draw the schematic arrangement of Laser Interferometer. 04
(c) Explain construction & working principle of optical microscope. 07
Q.5 (a) Explain the principle of Nano metrology. 03
(b) Write application & advantage of CMM. 04
(c) Define CMM & explain any one CMM with neat sketch. 07
OR

Q.5 (a) Define terms: (1) Primary texture (2) Secondary texture. 03
(b) Write short note on Computer Aided Inspection. 04
(c) What is Machine Vision System? Explain the principle of working
with suitable sketch.
07

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