A sine bar is available in standard sizes. Which one of the following is NOT a standard size of the sine bar ?

30) The accuracy of reference gauge is

Answer is:

0.001 mm

Explanation:

31) One of the precision instruments used to check the dimensional accuracy of an external 'V' thread, is a screw thread micrometer. Which one of the following elements of a screw thread is checked with screw thread micrometer ?

Answer is:

Pitch diameter

Explanation:

32) Which one of the following grades of slip gauges set is meant for reference purpose ?

Answer is:

Grade 00

Explanation:

Slip gauges are graded according to their accuracy as Grade 0, Grade I and Grade II.
Grade 0 is used in laboratories and standard room which serves as standard for periodically checking the accuracy of Grade I and Grade II gauges.
Grade I is of higher accuracy and used in inspection departments.
Grade II is intended for use in workshops during the actual production of components, tools and gauges.

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A sine bar is available in standard sizes. Which one of the following is NOT a standard size of the sine bar ?

300 mm

For More Gauges MCQ - Machinist(Set-1) with Answers

Related Gauges MCQ - Machinist(Set-1) with Answers

30) The accuracy of reference gauge is

0.001 mm

31) One of the precision instruments used to check the dimensional accuracy of an external 'V' thread, is a screw thread micrometer. Which one of the following elements of a screw thread is checked with screw thread micrometer ?

Pitch diameter

32) Which one of the following grades of slip gauges set is meant for reference purpose ?

Grade 00

For More Gauges MCQ - Machinist(Set-1) with Answers