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GATE Past Year Questions: Linear & Angular Measurement | Manufacturing Engineering - Mechanical Engineering PDF Download

Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:A sine bar has a length of 250 mm, each roller has a diameter of 20 mm, during taper angle measurement of a component, the height from the surface plate to the centre of a roller is 100 mm. The calculated taper angle (in degrees) is

[PI 2012]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:An autocollimator is used to

[PI 2009]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:An experimental setup is planned to determine the taper of workpiece as shown in the figure.If the two precision rollers have radii 8 mm and 5 mm and the total thickness of slip gauges inserted between the rollers is 15.54 mm, the taper angle "θ" is

GATE Past Year Questions: Linear & Angular Measurement | Manufacturing Engineering - Mechanical Engineering

[PI 2008]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Which one of the instrument is a comparator

[PI 2007]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:The geometric tolerance that does not need a datum for its specification is

[PI 2007]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Assertion (A): End standards are used for precision component inspection.
Reason (R): In end standards line of measurement coincides with line of indication.

[PI 1993]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:In mass manufacturing, two holes in a plate type of component are ideally located with the help of

[PI 1992]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Outside micrometer is calibrated with the help of

[PI 1991]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:For angle measurement in metrology, the following pair can be used in conjunction with each other

[PI 1991]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Assertion (A): Basic hole system is advocated by Indian Standards for fit design.
Explanation (E): Holes can be produced to any size

[PI 1990]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Flatness of slip gauges is checked with

[PI 1989]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:In a casting process, a vertical channel through which molten metal flows downward from pouring basin to runner for reaching the mould cavity is called

[ME 2019,Set-1]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Assume that the surface roughness profile is triangular as shown schematically in the figure. If the peak to valley height is 20 μm, the central line average surface roughness R0 (in mm) is

[ME 2017,Set 1]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:The flatness of a machine bed can be measured using

[ME 2014,Set-2]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Which one of the following instruments is widely used to check and calibrate geometric features of machine tools during their assembly?

[ME 2014,Set-1]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:A taper hole is inspected using a CMM, with a probe of 2 mm diameter. At a height, Z=10 mm from the bottom, 5 points are touched and a diameter of circle (not compensated for probe size) is obtained as 20 mm. Similarly, a 40 mm diameter is obtained at a height Z= 40 mm.The smaller diameter (in mm) of hole at Z = 0 is

GATE Past Year Questions: Linear & Angular Measurement | Manufacturing Engineering - Mechanical Engineering

[ME 2010]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:A ring gauge is used to measure

[ME 2006]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Two slip gauges of 10 mm width measuring 1.000 mm and 1.002 mm are kept side by side in contact with each other lengthwise. An optical flat is kept resting on the slip gauges as shown in the figure. Mono-chromatic light of wavelength 0.0058928 mm is used in the inspection. The total number of straight fringes that can be observed on both slip gauges is​
GATE Past Year Questions: Linear & Angular Measurement | Manufacturing Engineering - Mechanical Engineering

[ME 2003]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:A threaded nut of M 16, ISO metric type, having 2 mm pitch with a pitch diameter of 14.701 mm is to be checked for its pitch diameter using two or three number of balls or rollers of the following sizes

[ME 2003]

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Question for GATE Past Year Questions: Linear & Angular Measurement
Try yourself:Appropriate instrument to check the flatness of slip gauge is

[ME 1989]

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FAQs on GATE Past Year Questions: Linear & Angular Measurement - Manufacturing Engineering - Mechanical Engineering

1. What are linear and angular measurements in mechanical engineering?
Ans. Linear and angular measurements are essential concepts in mechanical engineering. Linear measurement refers to the measurement of a physical quantity along a straight line, such as length, distance, or displacement. On the other hand, angular measurement deals with the measurement of angles, rotations, or orientations of objects.
2. How are linear measurements commonly expressed in mechanical engineering?
Ans. Linear measurements in mechanical engineering are commonly expressed in units such as meters (m), millimeters (mm), inches (in), or feet (ft). These units represent the extent or magnitude of a physical quantity in a linear direction, allowing engineers to quantify and analyze various mechanical systems.
3. What is the importance of linear and angular measurements in mechanical engineering?
Ans. Linear and angular measurements play a crucial role in mechanical engineering as they enable engineers to design, analyze, and manufacture mechanical components and systems accurately. These measurements provide essential information about the size, position, motion, and alignment of components, ensuring the proper functioning and performance of mechanical systems.
4. How can linear and angular measurements be used in the manufacturing process?
Ans. Linear and angular measurements are vital in the manufacturing process as they help ensure the precise fabrication of mechanical components. By accurately measuring dimensions and angles, engineers can verify the conformance of manufactured parts to design specifications, detect any deviations or defects, and take corrective actions, thereby improving the quality and reliability of the final product.
5. What are some common instruments used for linear and angular measurements in mechanical engineering?
Ans. Several instruments are commonly used for linear and angular measurements in mechanical engineering. Examples include rulers, calipers, micrometers, vernier scales, protractors, angle gauges, and coordinate measuring machines (CMMs). These instruments provide accurate and reliable measurements, allowing engineers to make informed decisions during the design, analysis, and manufacturing processes.
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