Nothing Special   »   [go: up one dir, main page]
Scribd Logo
Upload

Welcome to Scribd!

  • 74 views

    METROLOGY R16 Nov 2019 PDF

    Uploaded by

    Pawan Y
    The document discusses various topics in metrology including: 1. The definition of interchangeability and examples of linear measurement instruments and applications of a tool maker's microscope. 2. The classification of comparators and the principle of involute profile measurement. 3. The need for alignment tests on machines like lathes and various gauges, measurement techniques, and instruments used in metrology like pneumatic comparators, interferometers, and thread measurement methods.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    METROLOGY R16 Nov 2019 PDF

    Uploaded by

    Pawan Y
    74 views1 page
    The document discusses various topics in metrology including: 1. The definition of interchangeability and examples of linear measurement instruments and applications of a tool maker's microscope. 2. The classification of comparators and the principle of involute profile measurement. 3. The need for alignment tests on machines like lathes and various gauges, measurement techniques, and instruments used in metrology like pneumatic comparators, interferometers, and thread measurement methods.

    Original Title

    METROLOGY R16 Nov 2019.pdf

    Copyright

    © © All Rights Reserved

    Available Formats

    PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    The document discusses various topics in metrology including: 1. The definition of interchangeability and examples of linear measurement instruments and applications of a tool maker's microscope. 2. The classification of comparators and the principle of involute profile measurement. 3. The need for alignment tests on machines like lathes and various gauges, measurement techniques, and instruments used in metrology like pneumatic comparators, interferometers, and thread measurement methods.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    74 views1 page

    METROLOGY R16 Nov 2019 PDF

    Uploaded by

    Pawan Y
    The document discusses various topics in metrology including: 1. The definition of interchangeability and examples of linear measurement instruments and applications of a tool maker's microscope. 2. The classification of comparators and the principle of involute profile measurement. 3. The need for alignment tests on machines like lathes and various gauges, measurement techniques, and instruments used in metrology like pneumatic comparators, interferometers, and thread measurement methods.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    You are on page 1of 1

    Code No: R1632031 R16 SET - 1

    III B. Tech II Semester Supplementary Examinations, November - 2019


    METROLOGY
    (Mechanical Engineering)
    Time: 3 hours Max. Marks: 70
    Note: 1. Question Paper consists of two parts (Part-A and Part-B)
    2. Answer ALL the question in Part-A
    3. Answer any FOUR Questions from Part-B
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    PART –A (14 Marks)


    1. a) What is interchangeability? [2M]
    b) List out the Linear measurement instruments. [2M]
    c) Write the applications of Tool Maker’s Microscope. [2M]
    d) Describe the classification of Comparators. [3M]
    e) What is the principle of involute profile measurement? [3M]
    f) What is the need of Alignment tests? [2M]

    PART –B (56 Marks)


    2. a) In a limit system, the following limits are specified to give a clearance fit between [8M]
    a shaft and hole
    Shaft 50  0.006 mm Hole 50  0.030 mm
     0.020  0.000
    Find basic size, shaft and hole tolerances, maximum clearance and minimum
    clearance.
    b) Briefly explain the need to specify tolerance on components. [6M]

    3. a) State and explain “GO” gauge and “NO GO” gauge. [7M]
    b) Explain the construction and working of an angle dekkor with a neat sketch. [7M]

    4. a) Explain with neat sketches Michelson’s Interferometer. [7M]


    b) Explain with a neat sketch the principle of Optical projector. [7M]

    5. a) Write the advantages and disadvantages of Mechanical Comparators. [7M]


    b) Describe the basic principle of a pneumatic comparator with a neat sketch. [7M]

    6. a) Describe with a neat sketch the two-wire method of measuring the effective [7M]
    diameter of screw threads.
    b) Write a short notes on: (i) Thread Profile Gauge, (ii) Angle of thread. [7M]

    7. a) Write short notes on: (i) straight edges, (ii) surface plates. [7M]
    b) Discus any two alignment tests carried out on Lathe machine. [7M]

    ******

    ||''|''||''||''''''|

    You might also like