162. The primary texture or roughness or micro-errors on surface results due to
A.Normal action of the tool in production process
B.Vibrations and non-uniformity of cutting process
C.Flaws in material
D.Dominant direction of tool marks (lay)

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163. The secondary texture or waviness, or macro-error on surface results due to
A.Normal action of the tool in production process
B.Vibrations and non-uniformity of cutting process
C.Flaws in material
D.Dominant direction of tool marks (lay)

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164. The function of a transducer is
A.To amplify the input signal
B.To modify the input signal
C.To convert the primary signal into a more useful quantity usually an electrical impulse
D.To codify the input signal

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165. Pick up the correct statement in connection with surface finish.
A.Pitch of secondary texture is same as pitch of primary texture
B.Pitch of secondary texture is more than pitch of primary texture
C.Pitch of secondary texture is less than pitch of primary texture
D.Pitch of primary and secondary texture can't have any relationship

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166. If graduations on beam of a vernier gauge are marked at every 1/2 mm and 10 divisions on vernier scale are on a distance of 9.5 mm, then least count is
A.0.1 mm
B.0.05 mm
C.0.01 mm
D.0.02 min

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167. Scale sensitivity is defined as
A.Ratio of a change in scale reading to corresponding change in pointer deflection
B.Least reading of scale/range of scale
C.Least reading of scale/unit measurable quantity
D.Least count of scale/range of scale

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168. A three-lobed part if checked on 60? V-block would provide following magnification of the radial out-of-round characteristics
A.1 time
B.2 time
C.3 time
D.4 time

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