
Math 30-3 Precision, Accuracy and Tolerance
Authored by Josie Thibault
Mathematics
12th Grade
Used 7+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A machine part has a nominal dimension of 50.00 mm with a tolerance of ±0.05 mm. What is the maximum allowable dimension?
49.95 mm
50.00mm
50.05mm
50.10mm
Answer explanation
The nominal dimension is 50.00 mm with a tolerance of ±0.05 mm. To find the maximum allowable dimension, add the tolerance to the nominal dimension: 50.00 mm + 0.05 mm = 50.05 mm. Thus, the correct answer is 50.05 mm.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a manufacturing process, the acceptable weight range for a product is 100.00 g ± 0.10 g. What is the minimum acceptable weight?
99.80 g
99.90g
100.00g
100.10g
Answer explanation
The acceptable weight range is 100.00 g ± 0.10 g, meaning the minimum acceptable weight is 100.00 g - 0.10 g = 99.90 g. Therefore, the correct answer is 99.90 g.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A shaft diameter is specified as 25.00 mm ± 0.03 mm. Which of the following measurements falls within the acceptable range?
24.96 mm
24.98mm
25.04mm
25.05mm
Answer explanation
The specified range is 24.97 mm to 25.03 mm. Among the options, 25.04 mm is the only measurement that falls within the acceptable range, as it is just above the upper limit of 25.03 mm.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The tolerance for a bolt length is given as 75.00 mm ± 0.08 mm. What is the total tolerance range?
0.08 mm
0.16mm
0.24mm
0.32mm
Answer explanation
The total tolerance range is calculated by adding the positive and negative tolerances: 0.08 mm + 0.08 mm = 0.16 mm. Therefore, the correct answer is 0.16 mm.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circuit board component has a resistance of 100.00 Ω with a tolerance of ±2%. What is the maximum allowable resistance?
98.00 Ω
100.00Ω
102.00Ω
104.00Ω
Answer explanation
To find the maximum allowable resistance, calculate 2% of 100.00 Ω, which is 2.00 Ω. Adding this to the nominal value gives 100.00 Ω + 2.00 Ω = 102.00 Ω. Thus, the maximum allowable resistance is 102.00 Ω.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The thickness of a metal sheet is specified as 1.50 mm ± 0.02 mm. Is a measurement of 1.53 mm within the tolerance?
yes, its within the upper limit
no, it exceeds the upper limit
yes, it's exactly at the upper limit
no, it's below the lower limit
Answer explanation
The specified thickness is 1.50 mm ± 0.02 mm, meaning the upper limit is 1.52 mm. A measurement of 1.53 mm exceeds this limit, so the correct answer is 'no, it exceeds the upper limit'.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical solution requires a pH of 7.00 ± 0.05. Which of the following pH values is outside the acceptable range?
6.96
6.98
7.04
7.06
Answer explanation
The acceptable pH range is 6.95 to 7.05. The value 7.06 exceeds this range, making it the only option outside the acceptable limits.
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