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Metrology and Inspection

Production Engineering

Previous Years Questions

Marks 1

Cylindrical pins of diameter $${15^{ \pm 0.020}}\,\,mm$$ are being produced on a machine. Statistical quality control te...
GATE ME 2017 Set 1
Match the following ...
GATE ME 2016 Set 1
Which one of the following statements is TRUE?
GATE ME 2015 Set 2
Holes of diameter $${25.0^{\matrix{ { + 0.040} \cr { + 0.020} \cr } }}\,\,mm$$ are assembled interchangeably...
GATE ME 2015 Set 1
The flatness of a machine bed can be measured using
GATE ME 2014 Set 2
Which one of the following instruments is widely used to check and calibrate geometric features of machine tools during ...
GATE ME 2014 Set 1
A metric thread of pitch $$2$$ $$mm$$ and thread angle 60° is inspected for its pitch diameter using 3-wire method. The ...
GATE ME 2013
In an interchangeable assembly, shafts of size $${25.000^{\matrix{ { + 0.040} \cr { - 0.010} \cr } }}\,\,mm$...
GATE ME 2012
A hole is dimension $$\phi {9^{\matrix{ { + 0.015} \cr { + 0\,\,\,\,\,\,\,\,\,\,} \cr } }}\,mm.$$ The corres...
GATE ME 2011
Ring gage is used to measure
GATE ME 2006
In order to have interference fit, it is essential that the lower limit of the shaft should be
GATE ME 2005
Allowance in limits and fits refers to
GATE ME 2001
The fit on a hole-shaft system is specified as $$H7$$-$$s6.$$ The type of fit is
GATE ME 1996
Checking the diameter of a hole using GO and NOGO gauges is an example of inspection by …………… (variables/attributes)
GATE ME 1995
Slip gauges are calibrated by outside micrometer
GATE ME 1995
Appropriate instrument to check the flatness of slip gage is
GATE ME 1989
In an engineering drawing one finds the designation of $$20G7F8.$$ The position of tolerance of the hole is indicated by
GATE ME 1988
The hole $${40^{\matrix{ {0.020} \cr { + 0.000} \cr } }}$$ & shaft, $${40^{\matrix{ { + 0.010} \cr ...
GATE ME 1987

Marks 2

Assume that the surface roughness profile is triangular as shown schematically in the figure. If the peak to valley heig...
GATE ME 2017 Set 1
A cylindrical pin $$25_{ + 0.010}^{ + 0.020}\,\,mm$$ diameter is electroplated. Plating thickness is $${2.0^{ \pm 0.0...
GATE ME 2017 Set 2
For the situation shown in the figure below the expression for $$H$$ in terms of $$r, R$$ and $$D$$ is ...
GATE ME 2016 Set 2
Two optically flat plates of glass are kept at a small angle $$\theta $$ as shown in the figure. Monochromatic light is ...
GATE ME 2016 Set 3
In the assembly shown below, the part dimensions are: $$\eqalign{ & {L_1} = {22.0^{ \pm 0.01}}\,\,mm, \cr &am...
GATE ME 2015 Set 1
The diameter of a recessed ring was measured by using two spherical balls of diameter $${d_2} = 60mm$$ and $${d_1} = 40m...
GATE ME 2014 Set 3
A $$GO-No$$ $$GO$$ plug gauge is to be designed for measuring a hole of nominal diameter $$25$$ $$mm$$ with a hole toler...
GATE ME 2014 Set 4
For the given assembly : $$25$$ $$H7/g8,$$ match Group $$A$$ with Group $$B$$ ...
GATE ME 2014 Set 1
Cylindrical pins of $${25^{\matrix{ { + 0.020} \cr { + 0.010} \cr } }}\,\,mm$$ diameter are electroplated i...
GATE ME 2013
A taper hole is inspected using a $$CMM,$$ with a probe of $$2mm$$ diameter. At a height, $$Z=10mm$$ from the bottom, $$...
GATE ME 2010
A shaft has a dimension $$\phi $$ $${35^{\matrix{ { - 0.009} \cr { - 0.025} \cr } }}$$. The respective value...
GATE ME 2010
What are the upper and lower limits of the shaft represented by $$60{f_8}$$? Use the following data: Diameter $$60$$ lie...
GATE ME 2009
A displacement sensor (a dial indicator) measures the lateral displacement of a mandrel on the taper hole inside a drill...
GATE ME 2008
A hole is specified as $${40^{\matrix{ {0.050} \cr {0.000} \cr } }}\,\,mm.$$ The mating shaft has a clearanc...
GATE ME 2007
A hole of diameter $${25.00^{ + 0.01}}\,\,mm$$ is to be inspected by using GO / NO GO gages. The size of the GO plug gag...
GATE ME 2004
A threaded nut of $$M16, $$ $$ISO$$ metric type having $$2$$ $$mm$$ pitch with a pitch diameter of $$14.701$$ $$mm$$ is ...
GATE ME 2003
A part shown in the gig is machined to the sizes given below With $$100\% $$ confidence, the resultant dimension $$W$...
GATE ME 2003
The dimensional limits on a shaft of $$25h7$$ are
GATE ME 2003
$$3$$ blocks of $${B_1},\,\,{B_2},\,\,{B_3}$$ are to be inserted in a channel of width $$'S'$$ maintaining a minimum gap...
GATE ME 1997
A shaft of diameter $${20^{\matrix{ { + 0.05} \cr { - 0.15} \cr } }}\,\,mm$$ and a hole of diameter $${20^{\...
GATE ME 1993
Two shafts $$A$$ and $$B$$ have their diameters specified as $$100 \pm 0.1\,\,mm$$ and $$0.1 \pm 0.0001\,\,mm$$ respecti...
GATE ME 1992
A bush was turned after mounting the same on a mandrel. The mandrel diameter in millimeters is $${40^{\matrix{ { + 0....
GATE ME 1991

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