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

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GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-IV(NEW) - EXAMINATION - SUMMER 2019

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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.

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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

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(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 07
Reproducibility of measuring instrument.

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OR
(c) Give classification of comparators & explain Dial indicator with 07
sketch.

Q.3 (a) Explain how to measure the unknown angle by using Sin Bar. 03
(b) Write short note on Limit Gauge. 04

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(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

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Q.4 (a) Explain the application of Laser Interferometer in testing of machine 03
tools.
(b) Define Straightness; Flatness, Roundness, Circularity, concentricity. 04
(c) Write short note about Tool Maker’s Microscope with neat sketch. 07
OR

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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

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(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 07

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with suitable sketch.