ME 3592 METROLOGY AND MEASUREMENTS

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CHOOSE THE CORRECT ANSWER

1.What is metrology? *

1 point

A) The science of weights

B) The science of measurement

C) The science of time

D) The science of temperature

2.Which of the following is a fundamental unit in the International System of Units (SI)?
*

1 point

A) Gram

B) Meter

C) Liter

D) Joule

3.What instrument is primarily used for measuring linear dimensions?
*

1 point

A) Protractor

B) Caliper

C) Micrometer

D) Both B and C

4.Which of the following is the correct unit for measuring angular dimensions in the SI system?
*

1 point

A) Radian

B) Degree

C) Gradian

D) All of the above

5. What does the term "uncertainty of measurement" refer to?
*

1 point

A) The error in measurement

B) The doubt that exists about the result of a measurement

C) The accuracy of a measuring instrument

D) The precision of measurement

6. Which of the following is NOT a common type of caliper?
*

1 point

A) Vernier caliper

B) Digital caliper

C) Beam caliper

D) Rotary caliper

7. In measuring angular dimensions, which instrument would be most appropriate for high precision?
*

1 point

A) Goniometer

B) Ruler

C) Tape measure

D) Micrometer

8.What is the primary purpose of calibration in metrology?
*

1 point

A) To increase measurement speed

B) To ensure accuracy and reliability of measurements

C) To simplify measurement processes

D) To reduce costs of measurement

9. Which of the following factors can affect the accuracy of measurements?
*

1 point

A) Environmental conditions

B) Instrument condition

C) Operator skill

D) All of the above

10. What does a micrometer measure? *

1 point

A) Large distances

B) Small distances with high precision

C) Angular dimensions

D) Temperature

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