Engineering Metrology MCQs

Question 1

Drilled holes, and honed holes, could be designated by following grades respectively

Accepted Answer

H10, P5

Answer

H5, H11

Answer

H6, H10

Answer

Hg, 116

Question 2

Sensitivity of measuring equipment is

Accepted Answer

The smallest change in measurand that can be measured

Answer

The closeness with which a measurement can be read directly from a measuring instrument

Answer

A measure of how close the reading is to the true size

Answer

The difference between measured value and actual value

Question 3

Newall system of limits and fits is the oldest system working on hole basis system. The grades of holes and shafts specified respectively are

Accepted Answer

2, 6

Answer

1, 8

Answer

4, 12

Answer

6, 20

Question 4

ISA tolerance system consists of following numbers of qualities of tolerance, and grades of fit respectively

Accepted Answer

16, 21

Answer

6, 15

Answer

8, 20

Answer

12, 21

Question 5

Expressing a dimension as 25.3?005 mm is the case of

Accepted Answer

Bilateral tolerance

Answer

Unilateral tolerance

Answer

Limiting dimensions

Answer

All of the above

Question 6

Surface roughness on a drawing is represented by

Accepted Answer

Triangles

Answer

Circles

Answer

Squares

Answer

Rectangles

Question 7

Expressing a dimension as 32.5/32.3 mm is the case of

Accepted Answer

Limiting dimension

Answer

Unilateral tolerance

Answer

Bilateral tolerance

Answer

All of the above

Question 8

A bore of 14.67 mm in a workpiece can be measured by

Accepted Answer

Micrometer

Answer

Steel rule

Answer

Vernier caliper

Answer

Pneumatic gauge

Question 9

The diameter of finish turned shaft can best be checked with a

Accepted Answer

Micrometer screw gauge

Answer

Combination set

Answer

Slip gauge

Answer

Height gauge