Engineering Metrology MCQs

Question 1

Stick micrometers are designed for measuring

Accepted Answer

Longer internal lengths

Answer

Bore of cylinders

Answer

Longer external lengths

Answer

Cylindricity

Question 2

Differential screw micrometer is used

Accepted Answer

For very high degree of accuracy.

Answer

To give direct indication of difference between two readings

Answer

For digital readout

Answer

To measure diameter of inaccessible holes

Question 3

A sine bar is specified by

Accepted Answer

The centre distance between the two rollers

Answer

Its total length

Answer

The size of the rollers

Answer

The distance between rollers and upper surface

Question 4

The diameter of very large bores can be, measured accurately by

Accepted Answer

Swinging a pin gauge in the bore.

Answer

Fiexibile graduated tape

Answer

Keilpart gauge

Answer

Four balls method

Question 5

The number of slip gauges in a set are

Accepted Answer

All of the above sets are available.

Answer

87

Answer

103

Answer

31

Question 6

Profile of a gear tooth can be checked by

Accepted Answer

Optical projector

Answer

Sine bar

Answer

Bench micrometer

Answer

Optical pyrometer

Question 7

Gear tooth caliper is used to find the chordal thickness of the following type of gear tooth

Accepted Answer

Spur gears

Answer

Helical gears

Answer

Worm gears

Answer

Bevel gears

Question 8

The M-and E-system in metrology are related with measurement of

Accepted Answer

Surface finish.

Answer

Gears

Answer

Flatness

Answer

Angularity

Question 9

All the thread characteristics can be measured precisely with

Accepted Answer

Tool room microscope

Answer

Screw pitch gauge

Answer

Micrometer with V-anvil

Answer

Thread gauge