10) The irregularities in the surface texture due to the inherent action of the production process is known as

Secondary texture

Roughness

Waviness

Waviness spacing

Answer is:

Roughness

Explanation:

The irregularities in the surface texture result from the inherent action of the production process. These will include traverse feed marks and irregularities within them.

The irregularities in the surface texture due to the inherent action of the production process is known as

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11) The stylus of the surface indicator is made of

Mild steel

High carbon steel

High speed steel

Diamond

Answer is:

Diamond

12) One micro-inch is equal to

One-tenth of an inch

One-hundredth of an inch

One thousandth of an inch

One millionth of an inch

Answer is:

One millionth of an inch

13) Which one of the following statements is NOT correct ?

Lay is the direction of the predominant surface pattern, ordinarily determined by the production method used.

Normal profile is the contour of a surface in a plane perpendicular to the surface, unless some other angle is specified

One micrometer is equal to one thousandth of a millimeter.

Flaws are irregularities, which occur at one place or at relatively frequent or widely varying intervals in a surface

Answer is:

Normal profile is the contour of a surface in a plane perpendicular to the surface, unless some other angle is specified

14) A block level can be used for

Checking vertical alignment only

Checking horizontal alignment only

Checking angular alignment only

Checking vertical and horizontal alignment

Answer is:

Checking vertical and horizontal alignment

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