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## Marks 1

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A machined surface with standard symbols indicating the surface texture is shown in the Figure. (ALL dimensions in the F...
GATE PI 2017
Accuracy of a measuring instrument is expressed as
GATE PI 2017
The roughness profile of a surface is depicted below. The surface roughness parameter $${R_a}\,\,$$ (in $$\mu m$$) is ...
GATE PI 2016
The limits of a shaft designated as $$100h5$$ are $$100.000$$ $$mm$$ and $$100.014$$ $$mm.$$ Similarly, the limits of a ...
GATE PI 2016
In an interchangeable assembly, shafts of size {25.000^{\matrix{ { + 0.040} \cr { - 0.010} \cr } }}\,\,mm... GATE PI 2012 Which one of the Instrument is a comparator GATE PI 2007 The geometric tolerance that does not need a datum for its specification is GATE PI 2007 Ring gage is used to measure GATE PI 2005 ... GATE PI 2003 Abbe's principle of alignment is followed in: GATE PI 1995 The combination of slip gauges to obtain a dimension of10.35mmwill be GATE PI 1994 Abbe's principle of alignment is used in measurements made in ................. GATE PI 1994 Powder metallurgical components have GATE PI 1992 The skid in a stylus type roughness measuring instrument is used to provide ............ A .............. and define ...... GATE PI 1992 A shaft of diameter{20^{\matrix{ { + 0.05} \cr { - 0.15} \cr } }}$$and a hole of diameter$${20^{\matrix...
GATE PI 1992
A straight edge is inspected on a coordinate measuring machine. The readings obtained at intervals of $$100mm$$ along th...
GATE PI 1992
In an interference microscope, a groove produces a band distortion of $$4$$ band spacing. If the wave length of the mon...
GATE PI 1992
The most widely used reinforcement in modern day $$FRP$$ tennis racket is
GATE PI 1992
The diameter of the best wire to measure the effective diameter of a metric screw threads of $$0.5$$ $$mm$$ pitch is .....
GATE PI 1992
The fit on a hole-shaft pair system is specified as $$H7$$-$$s6$$. The type of fit is
GATE PI 1992
In mass manufacturing, two holes in a plate type of component are ideally located with the help of
GATE PI 1992
Abbe's principle of alignment states that the scale axis must coincide with the line of
GATE PI 1991
For angle measurement in metrology, the following pair can be used in conjunction with each other
GATE PI 1991
Outside micrometer is calibrated with the help of
GATE PI 1991
Flatness of slip gages is checked with
GATE PI 1989

## Marks 2

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A surface is prepared specially for an application with the profile as shown in the figure. The theoretical $${R_a}$$ ...
GATE PI 2015
During the measurement of internal taper of a part using standard balls of diameter $$15$$ $$mm$$ and $$20$$ $$mm$$, the...
GATE PI 2015
The alignment test ''Spindle square with base plate'' is applied to the radial drilling machine. A dial indicator is fix...
GATE PI 2014
Cylindrical pins of $${25^{\matrix{ { + 0.020} \cr { + 0.010} \cr } }}\,\,mm$$ diameter are electroplated i...
GATE PI 2013
A Sine bar has a length of $$250mm.$$ Each roller has a diameter of $$20mm.$$ During taper angle measurement of a compon...
GATE PI 2012
Observation of a slip gauge on a flatness interferometer produced fringe counts numbering $$10$$ and $$14$$ for two read...
GATE PI 2011
To measure the effective diameter of an external metric thread (included angle is $$60$$ degrees) of $$3.5$$ $$mm$$ pit...
GATE PI 2011
A small bore is designated as $$25H7.$$ The lower (minimum) and upper (maximum) limits of the bore are $$25.000mm$$ and ...
GATE PI 2010
Match the following ...
GATE PI 2009
An autocollimator is used to
GATE PI 2009
An experimental setup is planned to determine the taper of work piece as shown in the figure. If the two precision rolle...
GATE PI 2008
The following data are given for calculating limits of dimensions and tolerances for a hole: Tolerance unit $$'i'$$ (mic...
GATE PI 2008
Tolerance on the dimension $$'x'$$ in the two component assembly shown below is (all dimensions are in $$mm$$) ...
GATE PI 2007
A tool with side cutting edge angle of $$30$$ degrees and end cutting edge angle $$10deg$$ is used for fine turning with...
GATE PI 2007
The surface finish of the component produced by a grinding process was measured. Based on roughness parameters obtained,...
GATE PI 2006
A keyway of $$5$$ $$mm$$ depth is to be milled in a shaft of diameter $$60 \pm 0.1\,\,$$ by positioning the shaft in a \$...
GATE PI 2006
A cylindrical pin of diameter $${1.996^{\matrix{ { + 0.0015} \cr { - 0.0015} \cr } }}\,\,mm$$ is assembled i...
GATE PI 2005
In an interchangeable assembly, a shaft of $${20.00^{\matrix{ { - 0.015} \cr { - 0.005} \cr } }}\,\,mm$$ di...
GATE PI 2004
The least count of a $$200$$ $$mm$$ long spirit level is given as $$10$$ seconds per division. The gradient of the spiri...
GATE PI 1995
The diameter of a hole is given as $${50^{\matrix{ { + 0.15} \cr { + 0.00} \cr } }}\,\,mm.$$ The upper limi...
GATE PI 1995
A hole is specified as $$\phi 30 \pm 0.04mm$$ with $$\phi \,\,0.01\,\,M.$$ The virtual diameter of the hole (i.e the max...
GATE PI 1994
Holes $$1,2,3,4$$ drilled in sequence , with angular positions and tolerances are shown in Figure. Evaluate closing ang...
GATE PI 1993
The maximum interference in $$mm$$ after assembly between a bush of size $${30^{\matrix{ { + 0.06} \cr { + 0.03}... GATE PI 1993 To obtain dimension of$$61.18mm$$using slip gages, the most appropriate combination is GATE PI 1992$$A30mm$$hole shaft assembly results in minimum and maximum clearances of$$0.03mm$$and$$0.30mm$$... GATE PI 1992 The combination of slip gauges to obtain a dimension of$$10.35mm$$will be GATE PI 1991 Assertion (A): Basic hole system is advocated by Indian Standards for fit design Explanation (E): Holes can be produced... GATE PI 1990 Outside diameter of bush is turned using a mandrel. The mandrel diameter is maintained as$${30^{\matrix{ { + 0.000} ...
GATE PI 1989

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