1
GATE PI 2012
MCQ (Single Correct Answer)
+1
-0.3
In an interchangeable assembly, shafts of size $${25.000^{\matrix{ { + 0.040} \cr { - 0.010} \cr } }}\,\,mm$$ mate with holes of size $${25.000^{\matrix{ { + 0.030} \cr { + 0.020} \cr } }}\,\,mm.$$

The maximum interference (in microns) in the assembly is

A
$$40$$
B
$$30$$
C
$$20$$
D
$$10$$
2
GATE PI 2007
MCQ (Single Correct Answer)
+1
-0.3
The geometric tolerance that does not need a datum for its specification is
A
Concentricity
B
Run out
C
Perpendicularity
D
Flatness
3
GATE PI 2007
MCQ (Single Correct Answer)
+1
-0.3
Which one of the Instrument is a comparator
A
Tool makers microscope
B
GO/NOGO gage
C
Optical interferometer
D
Dial gage
4
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Ring gage is used to measure
A
outside diameter but not roundness
B
roundness but not outside diameter
C
both outside diameter and roundness
D
only external threads
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