In this section of our measurement and inspection lessons, we’ll cover caliper reading questions. 1/10 caliper reading questions, 1/20 caliper reading examples, and 1/50 caliper reading questions are given along with their answers. Suitable for use as exam questions.
If you don’t know how to read a caliper, check out the article below:
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1/10 Caliper Reading Questions
1/10 calipers have a precision of 0.1 mm. Because of this, they’re suited to measurements like 5.9 – 6.1, and have the lowest precision compared to other caliper types. In other words, we could say they take somewhat coarser measurements.
Question 1: Find the measurement shown by the following 1/10 (0.1 mm) precision caliper.

See answer >> 14.2
Question 2:

See answer >> 43.8
Question 3:

See answer >> 13.4
Question 4:

See answer >> 13.7
Question 5:

See answer >> 40.4
Question 6:

See answer >> 33.8
Question 7:

See answer >> 53.4
Question 8:

See answer >> 12.6
Question 9:

See answer >> 73.9
Question 10: Find the measurement shown by the following 1/10 (0.1 mm) precision caliper.

See answer >> 4.3
1/20 Caliper Reading Questions
For 1/20 calipers, dividing 1 by 20 gives us 0.05. These calipers have a precision of at least 0.05 mm. Because of this, they’re suited to measurements like 5.75 – 5.80 – 5.85. (Note that in these examples, the last digit is 5 or a multiple of 5.)
1/20 calipers are the most commonly used type, both commercially and in schools.
Question 1:

See answer >> 11.55
QUESTION 2:

See answer >> 10.45
QUESTION 3:

See answer >> 15.30
Question 4:

See answer >> 16.25
Question 5:

See answer >> 21.40
Question 6:

See answer >> 23.00
Question 7:

See answer >> 32.55
Question 8:

See answer >> 51.70
Question 9: Find the measurement shown by the following 1/20 (0.05 mm) precision caliper.

See answer >> 0.65
1/50 Caliper Reading Questions
For 1/50 calipers, dividing 1 by 50 gives us 0.02. These calipers have a precision of at least 0.02 mm. Because of this, they’re suited to measurements like 5.70 – 5.72 – 5.74 – 5.76. (Note that in these examples, the last digit is 2 or a multiple of 2.)
Since these calipers can measure in increments as small as two-hundredths of a millimeter, we can say they measure more precisely than the 1/10 and 1/20 calipers mentioned above.
Question 1:

See answer >> 73.66
Question 2:

See answer >> 28.72 mm
Question 3:

See answer >> 18.32 mm
Question 4: Find the measurement shown by the following 1/50 (0.02 mm) precision caliper.

See answer >> 5.06
Question 5: Find the measurement shown by the following 1/50 (0.02 mm) precision caliper.

See answer >> 60.46
Question 6: Find the measurement shown by the following 1/50 (0.02 mm) precision caliper.

See answer >> 11.28
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