# Commented solution of the exercises of reading and interpretation of micrometer in thousandth millimeter

## Results of the list 1 of exercises:

Micrometer - Exercises of reading and interpretation in millimeter, thousandth resolution - Metrology

## Results of the list 1 of exercises of micrometer in millimeter

From website: www.stefanelli.eng.br - prof.: Eduardo Stefanelli

sleeve scale thimble scale vernier
x
0.50mm
x
0.01mm
x
0.001mm
frame
+
sleeve scale
+
thimble scale
+
vernier
30
x
0.50mm
=
15.0mm
6
x
0.01mm
=
0.06mm
3
x
0.001mm
=
0.003mm
25mm
+
15mm
+
0.06mm
=
40.063mm
The range of this micrometer is 25-50mm, the thimble is over the 15th mark of whole millimeters and passed from their mark 6th, in the vernier is the 3rd mark that is aligned. Is: 25mm + 15mm + 0.06mm + 0.003mm.
Its indication is: 40.063mm.
35
x
0.50mm
=
17.5mm
39
x
0.01mm
=
0.39mm
4
x
0.001mm
=
0.004mm
150mm
+
17mm
+
0.50mm
+
0.39mm
=
167.894mm
The range of this micrometer is 150-175mm, the thimble turned to the 17th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 39th, in the vernier is the 4th mark that is aligned. Is: 150mm + 17mm + 0.50mm + 0.39mm + 0.004mm.
Its indication is: 167.894mm.
26
x
0.50mm
=
13.0mm
38
x
0.01mm
=
0.38mm
7
x
0.001mm
=
0.007mm
25mm
+
13mm
+
0.38mm
=
38.387mm
The range of this micrometer is 25-50mm, the thimble turned to the 13th mark of whole millimeters and passed from their mark 38th, in the vernier is the 7th mark that is aligned. Is: 25mm + 13mm + 0.38mm + 0.007mm.
Its indication is: 38.387mm.
43
x
0.50mm
=
21.5mm
40
x
0.01mm
=
0.40mm
1
x
0.001mm
=
0.001mm
175mm
+
21mm
+
0.50mm
+
0.40mm
=
196.901mm
The range of this micrometer is 175-200mm, the thimble turned to the 21th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 40th, in the vernier is the 1st mark that is aligned. Is: 175mm + 21mm + 0.50mm + 0.40mm + 0.001mm.
Its indication is: 196.901mm.
42
x
0.50mm
=
21.0mm
15
x
0.01mm
=
0.15mm
8
x
0.001mm
=
0.008mm
275mm
+
21mm
+
0.15mm
=
296.158mm
The range of this micrometer is 275-300mm, the thimble turned to the 21th mark of whole millimeters and passed from their mark 15th, in the vernier is the 8th mark that is aligned. Is: 275mm + 21mm + 0.15mm + 0.008mm.
Its indication is: 296.158mm.
22
x
0.50mm
=
11.0mm
3
x
0.01mm
=
0.03mm
6
x
0.001mm
=
0.006mm
25mm
+
11mm
+
0.03mm
=
36.036mm
The range of this micrometer is 25-50mm, the thimble is over the 11th mark of whole millimeters and passed from their mark 3rd, in the vernier is the 6th mark that is aligned. Is: 25mm + 11mm + 0.03mm + 0.006mm.
Its indication is: 36.036mm.
30
x
0.50mm
=
15.0mm
39
x
0.01mm
=
0.39mm
5
x
0.001mm
=
0.005mm
125mm
+
15mm
+
0.39mm
=
140.395mm
The range of this micrometer is 125-150mm, the thimble turned to the 15th mark of whole millimeters and passed from their mark 39th, in the vernier is the 5th mark that is aligned. Is: 125mm + 15mm + 0.39mm + 0.005mm.
Its indication is: 140.395mm.
43
x
0.50mm
=
21.5mm
17
x
0.01mm
=
0.17mm
8
x
0.001mm
=
0.008mm
21mm
+
0.50mm
+
0.17mm
=
21.678mm
The range of this micrometer is 0-25mm, the thimble turned to the 21th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 17th, in the vernier is the 8th mark that is aligned. Is: 0mm + 21mm + 0.50mm + 0.17mm + 0.008mm.
Its indication is: 21.678mm.
41
x
0.50mm
=
20.5mm
9
x
0.01mm
=
0.09mm
4
x
0.001mm
=
0.004mm
125mm
+
20mm
+
0.50mm
+
0.09mm
=
145.594mm
The range of this micrometer is 125-150mm, the thimble turned to the 20th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 9th, in the vernier is the 4th mark that is aligned. Is: 125mm + 20mm + 0.50mm + 0.09mm + 0.004mm.
Its indication is: 145.594mm.
7
x
0.50mm
=
3.5mm
34
x
0.01mm
=
0.34mm
0
x
0.001mm
=
0.000mm
350mm
+
3mm
+
0.50mm
+
0.34mm
=
353.840mm
The range of this micrometer is 350-375mm, the thimble turned to the 3rd mark of whole millimeters and the by a mark of counter half mm and stopped in their mark 34th, in the vernier is the zero mark that is aligned. Is: 350mm + 3mm + 0.50mm + 0.34mm + 0.000mm.
Its indication is: 353.840mm.
14
x
0.50mm
=
7.0mm
32
x
0.01mm
=
0.32mm
5
x
0.001mm
=
0.005mm
7mm
+
0.32mm
=
7.325mm
The range of this micrometer is 0-25mm, the thimble turned to the 7th mark of whole millimeters and passed from their mark 32th, in the vernier is the 5th mark that is aligned. Is: 0mm + 7mm + 0.32mm + 0.005mm.
Its indication is: 7.325mm.
48
x
0.50mm
=
24.0mm
19
x
0.01mm
=
0.19mm
0
x
0.001mm
=
0.000mm
100mm
+
24mm
+
0.19mm
=
124.190mm
The range of this micrometer is 100-125mm, the thimble turned to the 24th mark of whole millimeters and stopped in their mark 19th, in the vernier is the zero mark that is aligned. Is: 100mm + 24mm + 0.19mm + 0.000mm.
Its indication is: 124.190mm.
41
x
0.50mm
=
20.5mm
37
x
0.01mm
=
0.37mm
7
x
0.001mm
=
0.007mm
150mm
+
20mm
+
0.50mm
+
0.37mm
=
170.877mm
The range of this micrometer is 150-175mm, the thimble turned to the 20th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 37th, in the vernier is the 7th mark that is aligned. Is: 150mm + 20mm + 0.50mm + 0.37mm + 0.007mm.
Its indication is: 170.877mm.
15
x
0.50mm
=
7.5mm
3
x
0.01mm
=
0.03mm
6
x
0.001mm
=
0.006mm
275mm
+
7mm
+
0.50mm
+
0.03mm
=
282.536mm
The range of this micrometer is 275-300mm, the thimble turned to the 7th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 3rd, in the vernier is the 6th mark that is aligned. Is: 275mm + 7mm + 0.50mm + 0.03mm + 0.006mm.
Its indication is: 282.536mm.
20
x
0.50mm
=
10.0mm
40
x
0.01mm
=
0.40mm
0
x
0.001mm
=
0.000mm
275mm
+
10mm
+
0.40mm
=
285.400mm
The range of this micrometer is 275-300mm, the thimble turned to the 10th mark of whole millimeters and stopped in their mark 40th, in the vernier is the zero mark that is aligned. Is: 275mm + 10mm + 0.40mm + 0.000mm.
Its indication is: 285.400mm.
34
x
0.50mm
=
17.0mm
24
x
0.01mm
=
0.24mm
7
x
0.001mm
=
0.007mm
125mm
+
17mm
+
0.24mm
=
142.247mm
The range of this micrometer is 125-150mm, the thimble turned to the 17th mark of whole millimeters and passed from their mark 24th, in the vernier is the 7th mark that is aligned. Is: 125mm + 17mm + 0.24mm + 0.007mm.
Its indication is: 142.247mm.
2
x
0.50mm
=
1.0mm
22
x
0.01mm
=
0.22mm
9
x
0.001mm
=
0.009mm
125mm
+
1mm
+
0.22mm
=
126.229mm
The range of this micrometer is 125-150mm, the thimble turned to the 1st mark of whole millimeters and passed from their mark 22th, in the vernier is the 9th mark that is aligned. Is: 125mm + 1mm + 0.22mm + 0.009mm.
Its indication is: 126.229mm.
37
x
0.50mm
=
18.5mm
3
x
0.01mm
=
0.03mm
9
x
0.001mm
=
0.009mm
25mm
+
18mm
+
0.50mm
+
0.03mm
=
43.539mm
The range of this micrometer is 25-50mm, the thimble turned to the 18th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 3rd, in the vernier is the 9th mark that is aligned. Is: 25mm + 18mm + 0.50mm + 0.03mm + 0.009mm.
Its indication is: 43.539mm.
21
x
0.50mm
=
10.5mm
43
x
0.01mm
=
0.43mm
6
x
0.001mm
=
0.006mm
125mm
+
10mm
+
0.50mm
+
0.43mm
=
135.936mm
The range of this micrometer is 125-150mm, the thimble turned to the 10th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 43th, in the vernier is the 6th mark that is aligned. Is: 125mm + 10mm + 0.50mm + 0.43mm + 0.006mm.
Its indication is: 135.936mm.
0
x
0.50mm
=
0.0mm
8
x
0.01mm
=
0.08mm
2
x
0.001mm
=
0.002mm
200mm
+
0mm
+
0.08mm
=
200.082mm
The range of this micrometer is 200-225mm, the thimble turned to the mark zero of whole millimeters and passed from their mark 8th, in the vernier is the 2nd mark that is aligned. Is: 200mm + 0mm + 0.08mm + 0.002mm.
Its indication is: 200.082mm.