MEASUREMENT AND MEASURING TOOLS 25 MCQ FOR SEM 1

1) A micrometer has a positive error of 0.02 mm. What is the correct reading when the micrometer measures 24.41 mm? 

24.37 mm
24.39 mm
24.37 mm
24.45 mm

2) A micrometer has a negative error of 0.03 mm. What is the correct reading when the micrometer measures 41.53 mm on the component?

41.59 mm
41.50 mm
41.56 mm
41.46 mm


3) Zero error of a 50 - 75 mm outside micrometer can be checked with

Test piece
Dial test indicator
Vernier height gauge
Feeler gauge

4) The value of the smallest division on the sleeve of a metric outside micrometer is 

0.50mm
1.00mm
1.50 mm
2.00 mm

5) The value of one division on bevel edge of the thimble of a metric outside micrometer is ............

0.02 mm
0.01 mm
0.10 mm
0.05 mm


6) If the zero graduation of the thimble division of an outside micrometer is below the datum line, when the measuring faces of the micrometer are in contact, the error is 

negative
positive
zero
none


7) A depth micrometer can be used to measure a wide range of sizes because 

it has a lengthy sleeve
it has an adjustable base
it has a lengthy spindle
it is equipped with a number of extension rods


8) In which one of the following micrometers, the graduations on thimble and sleeve are in reverse direction to that of an outside micrometer? 

Depth micrometer
Flange micrometer
Inside micrometer
Tube micrometer


9) The least count of a vernier outside micrometer is

0.001 mm
0.01 mm
0.10 mm
0.0001 mm


10) On which part of the vernier height gauge, are the main scale divisions graduated? 

Fine adjusting unit
Base
Vernier plate 
Beam

11) While measuring with vernier bevel protractor, which part is used normally as reference surface?

Disc
Blade
Dial
Stock


12) On which part of the vernier bevel protractor, are the main scale divisions graduated? 

Blade
Dial
Stock 
Disc

13) The value of each vernier scale division of vernier bevel protractor is 

2°
1° 55’
1°
5’

14) The value of each main scale division of vernier bevel protractor is

1°—55’
1°
5’
1/2°


15) The least count of a vernier bevel protractor is 

5’
5°
5”
0.5’


16) The least count of a vernier depth gauge is 

0.20 mm
0.10 mm
0.01 mm
0.02 mm


17) Vernier depth gauge is used for measuring 

external dimensions
pitch diameter
internal dimensions
step depth of the blind hole

18) The least count of vernier height gauge is

0.05 mm
0.02 mm
0.01 mm
0.10 mm


19) While laying out, the vernier height gauge must be used on the

Vee block
Any flat surface
Machine bed
Surface plate


20) The size of a vernier height gauge is specified by 

the height of the beam
size of the scriber
the width of the beam
weíght of the height gauge

21) While marking with a vernier height gauge, the workpiece is generally 

held by one hand
supported by an angle plate
supported by another workpiece
held without support

22) The smallest inside micrometer has the graduation marked on the sleeve to a range of

12mm
25mm
10mm
13mm

23) To get the least count of 5’ in a vernier bevel protractor, the 23° main scale is divided into .......... 

12 equal parts on vernier scale
22 equal parts on vernier scale
24 equal parts on vernier scale
25 equal parts on vernier scale


24) The angle which is less than 90° is called as

obtuse angle
acute angle
right angle
none of the above

25) The principle of universal bevel protractor is similar to that of equal to 

Fixed gauge
Vernier bevel protractor
Dial test indicator
Depth micrometer

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