Unit Conversion Quiz Questions And Answers
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Are you ready for a unit conversion quiz? The conversion of units is the conversion between different units of measurement for the same quantity. Typically, through multiplicative conversion factors. It is used to modify the units of a precise quantity without changing their value. The method of conversion is contingent upon the specific situation and the intended purpose. If you want to learn more about unit conversion, this is the quiz for you.
- 1.
How many inches are in 45.6 cm? (There are 2.54cm in 1 inch)
- A.
18.0 inches
- B.
9 inches
- C.
17.952 inches
- D.
115.8 inches
Correct Answer
A. 18.0 inchesExplanation
45.6cm x 1in/2.54cm = 17.952 inches BUT only 3 sigfigs, so 18.0Rate this question:
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- 2.
How many centimeters are in 1.23 x 10^-6 kilometers?
- A.
0.123 cm
- B.
0.1234 cm
- C.
0.12 cm
- D.
0.13 cm
Correct Answer
A. 0.123 cmExplanation
0.00000123km x 1000m/1km x 100cm/1m = 0.123 3sigfigsRate this question:
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- 3.
Approximately how many hours are there in 34.5 years?
- A.
302,000 hrs
- B.
302,220 hrs
- C.
0.00394 hrs
- D.
0.00393835 hrs
Correct Answer
B. 302,220 hrsExplanation
To calculate the number of hours in 34.5 years, you can use the following calculation:
Number of hours in a year × Number of years
There are typically 365 days in a year, and each day has 24 hours. So, in a non-leap year:
365 days/year × 24 hours/day = 8,760 hours/year
Now, you can multiply this by the number of years:
8,760 hours/year × 34.5 years = 302,220 hours
So, there are approximately 302,220 hours in 34.5 years.Rate this question:
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- 4.
How many inches are there in 355 millimeters? (25.4 mm in an inch)
- A.
14.0 inches
- B.
13.90 inches
- C.
140.0 inches
- D.
139.0 inches
Correct Answer
A. 14.0 inchesExplanation
355mm x 1cm/10mm x 1in/2.54cm = 13.976 BUT 3 sigfigs or 355mm x 1in/25.4mm = 13.976Rate this question:
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- 5.
10 meters = ______ inches.
- A.
278
- B.
393
- C.
403
- D.
782
Correct Answer
B. 393Explanation
10 meters is equal to 1000 centimeters. Since there are 2.54 centimeters in an inch, we can convert 1000 centimeters to inches by dividing by 2.54. The result is approximately 393 inches.Rate this question:
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- 6.
2.1 meter is equal to
- A.
4 feet
- B.
5 feet
- C.
7 feet
- D.
10 feet
Correct Answer
C. 7 feetExplanation
2.1 meters is equal to 6.89 feet. Since none of the options given match this value exactly, the correct answer is not available.Rate this question:
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- 7.
Convert 14 mm to its equivalent measurement in m.
- A.
0.014m
- B.
0.0014m
- C.
0.14m
- D.
1400
Correct Answer
A. 0.014mExplanation
14mm x 1m/1000mmRate this question:
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- 8.
Which of the following is a TRUE metric conversion factor?
- A.
1mm = 1000m
- B.
1000mm = 1m
- C.
100m = 1cm
- D.
1m = 1000 km
Correct Answer
B. 1000mm = 1mExplanation
The given statement "1000mm = 1m" is a true metric conversion factor because it represents the relationship between millimeters and meters. It states that there are 1000 millimeters in 1 meter, which is a standard conversion factor in the metric system.Rate this question:
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- 9.
Which of the following is a FALSE metric conversion factor?
- A.
100cm = 1m
- B.
1000g = 1 kg
- C.
1g = 1000mg
- D.
1000g = 1g
Correct Answer
D. 1000g = 1gExplanation
Think:
Balanced ScaleRate this question:
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- 10.
Convert 57mL to its equivalent measurement in L.
- A.
0.057 L
- B.
57000 L
- C.
0.0057 L
- D.
5700 L
Correct Answer
A. 0.057 LExplanation
57 mL x 1L/ 1000mL = LRate this question:
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