GATE Production & Industrial
618 questions · 25 years · 20 subjects
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38 questions shown in Metrology. Filter for cleaner practice sessions.
The limits of a shaft designated as $$100h5$$ are $$100.000$$ $$mm$$ and $$100.014$$ $$mm.$$ Similarly, the limits of a shaft designated as $$100h8$$ are $$100.000$$ $$mm$$ and $$1...
Cylindrical pins of $${25^{\matrix{ { + 0.020} \cr { + 0.010} \cr } }}\,\,mm$$ diameter are electroplated in a shop. Thickness of the plating is $$30 \pm 0.2$$ micron. Neglecting g...
A Sine bar has a length of $$250mm.$$ Each roller has a diameter of $$20mm.$$ During taper angle measurement of a component, the height from the surface plate to the center of a ro...
In an interchangeable assembly, shafts of size $${25.000^{\matrix{ { + 0.040} \cr { - 0.010} \cr } }}\,\,mm$$ mate with holes of size $${25.000^{\matrix{ { + 0.030} \cr { + 0.020}...
Observation of a slip gauge on a flatness interferometer produced fringe counts numbering $$10$$ and $$14$$ for two readings. The second reading is taken by rotating the setup by $...
To measure the effective diameter of an external metric thread (included angle is $$60$$ degrees) of $$3.5$$ $$mm$$ pitch, a cylindrical standard of $$30.5$$ $$mm$$ diameter and tw...
A small bore is designated as $$25H7.$$ The lower (minimum) and upper (maximum) limits of the bore are $$25.000mm$$ and $$25.021$$ respectively. When the bore is designated as $$25...
An autocollimator is used to
The following data are given for calculating limits of dimensions and tolerances for a hole: Tolerance unit $$'i'$$ (microns) $$=0.45$$ $${\left( D \right)^{1/3}} + 0.001D.$$ The u...
A tool with side cutting edge angle of $$30$$ degrees and end cutting edge angle $$10deg$$ is used for fine turning with a feed of $$1mm/rev$$. Neglecting nose radius of the tool,...
The geometric tolerance that does not need a datum for its specification is
The surface finish of the component produced by a grinding process was measured. Based on roughness parameters obtained, which one of the following is true
A keyway of $$5$$ $$mm$$ depth is to be milled in a shaft of diameter $$60 \pm 0.1\,\,$$ by positioning the shaft in a $$V$$-block of angle $$120deg$$ and setting the tool with ref...
A cylindrical pin of diameter $${1.996^{\matrix{ { + 0.0015} \cr { - 0.0015} \cr } }}\,\,mm$$ is assembled into a hole of diameter $${2.000^{\matrix{ { + 0.0015} \cr { - 0.0015} \c...
Ring gage is used to measure
In an interchangeable assembly, a shaft of $${20.00^{\matrix{ { - 0.015} \cr { - 0.005} \cr } }}\,\,mm$$ diameter and a hole of $${20.00^{\matrix{ { - 0.025} \cr { - 0.010} \cr } }...
The diameter of a hole is given as $${50^{\matrix{ { + 0.15} \cr { + 0.00} \cr } }}\,\,mm.$$ The upper limit on the dimension in $$mm,$$ of the shaft for achieving maximum interfer...
The least count of a $$200$$ $$mm$$ long spirit level is given as $$10$$ seconds per division. The gradient of the spirit level expressed as $$mm$$ over one meter is _____________.
Abbe's principle of alignment is followed in:
Abbe's principle of alignment is used in measurements made in .................
The combination of slip gauges to obtain a dimension of $$10.35$$ $$mm$$ will be
The maximum interference in $$mm$$ after assembly between a bush of size $${30^{\matrix{ { + 0.06} \cr { + 0.03} \cr } }}$$ and a shaft of size $${30^{\matrix{ { + 0.04} \cr { - 0....
The most widely used reinforcement in modern day $$FRP$$ tennis racket is
The fit on a hole-shaft pair system is specified as $$H7$$-$$s6$$. The type of fit is
A shaft of diameter $${20^{\matrix{ { + 0.05} \cr { - 0.15} \cr } }}$$ and a hole of diameter $${20^{\matrix{ { + 0.20} \cr { + 0.10} \cr } }}\,\,mm$$ when assembled would yield.
$$A$$ $$30$$ $$mm$$ hole shaft assembly results in minimum and maximum clearances of $$0.03$$ $$mm$$ and $$0.30$$ $$mm$$ respectively. The hole has a unilateral tolerance with zero...
To obtain dimension of $$61.18$$ $$mm$$ using slip gages, the most appropriate combination is
In mass manufacturing, two holes in a plate type of component are ideally located with the help of
The skid in a stylus type roughness measuring instrument is used to provide ............ A .............. and define ................... B .............. geometrical profile of the...
A straight edge is inspected on a coordinate measuring machine. The readings obtained at intervals of $$100mm$$ along the top edge are $$100.01, 100.05, $$ and $$100.04$$ $$mm$$ th...
The diameter of the best wire to measure the effective diameter of a metric screw threads of $$0.5$$ $$mm$$ pitch is ......... $$mm$$
Abbe's principle of alignment states that the scale axis must coincide with the line of
The combination of slip gauges to obtain a dimension of $$10.35$$ $$mm$$ will be
For angle measurement in metrology, the following pair can be used in conjunction with each other
Outside micrometer is calibrated with the help of
Assertion (A): Basic hole system is advocated by Indian Standards for fit design Explanation (E): Holes can be produced to any size.
Outside diameter of bush is turned using a mandrel. The mandrel diameter is maintained as $${30^{\matrix{ { + 0.000} \cr { - 0.050} \cr } }}\,\,mm$$ and the bore diameter is $${30^...
Flatness of slip gages is checked with