Download VTU BE 2020 Jan ME Question Paper 17 Scheme 3rd Sem 17ME36B Mechanical Measurements and Metrology

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17ME36B
USN

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Third Semester B.E. Degree Examination, Dee.2019/Jan.2020
Mechanical Measurements and Metrology
Time: 3 hrs. Max. Marks: 100
2. Write legibly and draw neat diagrams.

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Module-1
? 1 a. Define Metrology. State the objectives of Metrology. (04 Marks)
b. Explain with a neat sketch Imperial yard material standard. (10 Marks)
c. State the principle and the procedure of measuring angle using sine bar. (06 Marks)
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2 a. Explain with sketches the 'Wringing Phenomenon' of slip Gauges. (10 Marks)
b. What are Standards? Name and explain the various sub-divisions of Standards. (10 Marks)

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3 a. Explain the principle of interchangeability and selective assembly. (10 Marks)
b. Name the two system of fits. Explain the hole-basis type of system with neat sketch.
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4 a. Explain with neat sketch, the principle and working of a Solex Pressure Gauge. (10 Marks)
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b. State and explain with sketches the Taylor's principle of design of gauges. (10 Marks)
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Module-3 73

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5 a. How will you measure the effective diameter of screw threads using 2-wire method?
a 7 (10 Marks)
b.
Explain the constructional features and applications of co-ordinate measuring machines.

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(10 Marks)
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6 a. Explain any one method of gear tooth thickness measurement with sketch. (10 Marks)

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b. What is a Laser? Explain any one type of Laser interferometer with sketch. (10 Marks)

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Module-4
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7 a. Explain with sketch the general concept of a measuring system. (10 Marks)
b. State the internet problems in mechanical transducers. (04 Marks)

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O c. Explain with sketch 'Threshold and Hysteresis' with respect to a measurement system.
(06 Marks)
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Note: 1. Answer any FIVE full questions, choosing ONE full question from each module.

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--- Content provided by​ FirstRanker.com ---

? .
17ME36B
USN
?
Third Semester B.E. Degree Examination, Dee.2019/Jan.2020

--- Content provided by‍ FirstRanker.com ---

Mechanical Measurements and Metrology
Time: 3 hrs. Max. Marks: 100
2. Write legibly and draw neat diagrams.
Module-1
? 1 a. Define Metrology. State the objectives of Metrology. (04 Marks)

--- Content provided by‍ FirstRanker.com ---

b. Explain with a neat sketch Imperial yard material standard. (10 Marks)
c. State the principle and the procedure of measuring angle using sine bar. (06 Marks)
L'

isif fj

--- Content provided by‌ FirstRanker.com ---

OR
E
F
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t,

--- Content provided by FirstRanker.com ---

7:1
2 a. Explain with sketches the 'Wringing Phenomenon' of slip Gauges. (10 Marks)
b. What are Standards? Name and explain the various sub-divisions of Standards. (10 Marks)
.2 09
? 'L. "

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O Module-2
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3 a. Explain the principle of interchangeability and selective assembly. (10 Marks)
b. Name the two system of fits. Explain the hole-basis type of system with neat sketch.

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2 a'
c.)
( 1 0 Marks)
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OR

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? C3
77
.
'65
4 a. Explain with neat sketch, the principle and working of a Solex Pressure Gauge. (10 Marks)

--- Content provided by​ FirstRanker.com ---

? 7r,
b. State and explain with sketches the Taylor's principle of design of gauges. (10 Marks)
.
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Module-3 73
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5 a. How will you measure the effective diameter of screw threads using 2-wire method?

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a 7 (10 Marks)
b.
Explain the constructional features and applications of co-ordinate measuring machines.
(10 Marks)
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6 a. Explain any one method of gear tooth thickness measurement with sketch. (10 Marks)
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b. What is a Laser? Explain any one type of Laser interferometer with sketch. (10 Marks)
a .
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c.,
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Module-4

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7 a. Explain with sketch the general concept of a measuring system. (10 Marks)
b. State the internet problems in mechanical transducers. (04 Marks)
O c. Explain with sketch 'Threshold and Hysteresis' with respect to a measurement system.
(06 Marks)

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0
0.
Note: 1. Answer any FIVE full questions, choosing ONE full question from each module.
6 6.
1 of 2

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OR
8 a. Explain with sketch the simple current sensitive circuit of a intermediate modifying
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b. Explain the construction of an oscillograph. State its advantages. (10 Nlar,.
Module-5

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9 a. Explain with sketch the construction and working of Prony brake dynamometer. (10 Marks)
b. Explain with sketch the Bridgeman type of pressure gauge. (10 Marks)
OR
10 a. Explain the terms: i) Poisson's Ratio ii) Gauge factor. (02 darks)
b. State the procedure of mounting of strain gauges. (08 Marks)

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c. State and explain the two laws of thermocouple with sketches. (10 Marks)
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