1
GATE PI 2014
MCQ (Single Correct Answer)
+2
-0.6
The alignment test ''Spindle square with base plate'' is applied to the radial drilling machine. A dial indicator is fixed to the cylindrical spindle and the spindle is rotated to make the indicator touch the base plate at different points. The test inspects whether the GATE PI 2014 Metrology - Metrology and Inspection Question 4 English
A
Spindle vertical feed axis is perpendicular to the base plate
B
Axis of symmetry of the cylindrical spindle is perpendicular to the base plate.
C
Axis of symmetry, the rotational axis and the vertical feed axis of the spindle are all coincident
D
Spindle rotational axis is perpendicular to the base plate.
2
GATE PI 2013
MCQ (Single Correct Answer)
+2
-0.6
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 gage tolerances, the size of the $$GO$$ gage in $$mm$$ to inspect the plated components is
A
$$25.042$$
B
$$25.052$$
C
$$25.074$$
D
$$25.084$$
3
GATE PI 2012
MCQ (Single Correct Answer)
+2
-0.6
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 roller is $$100mm.$$ The calculated taper angle (in degrees) is
A
$$21.1$$
B
$$22.8$$
C
$$23.6$$
D
$$68.9$$
4
GATE PI 2011
MCQ (Single Correct Answer)
+2
-0.6
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 $${180^ \circ }$$ Assume that both faces of the slip gauge are flat and the wavelength of the radiation is $$0.5086$$ $$\mu m.$$ The parallelism error (in $$\mu m.$$) between the two faces of the slip gauge is
A
$$0.2543$$
B
$$1.172$$
C
$$0.5086$$
D
$$0.800$$
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