176. The surface roughness on a drawing is represented by
A.Circles
B.Squares
C.Zig-zag lines
D.Triangles
177. Inside and outside diameters of a thin tube are to be measured. Only one of the following tools is to be selected. Which one would you choose.
A.Inside caliper
B.Vernier caliper.
C.Trammel
D.Odd-leg caliper
178. Electronic level contains
A.A pendulum
B.Spirit level (c)
C.Micrometer (d) clinometer
D.(e) sine bar.
179. Keilpart gauge is used to measure
A.Surface roughness
B.Taper
C.Inside diameter Of a tool
D.Gear eccentricity
180. In interferometric methods, the path difference between one bright band and the next is varied by
A.Half wave length
B.Two half wave lengths
C.One quarter wavelength
D.Two wavelengths
181. On a triple thread screw
A.Lead = pitch
B.Lead = 3 pitch
C.Lead = pitch
D.Lead = 9 pitch
182. Gratings are used in connection with
A.Flatness measurement
B.Linear displacement measurements.
C.Surface texture measurement
D.Convexity/concavity measurement
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