Metrology Quiz - 1 Feb 2019
Dear Students, Welcome. In this quiz you have to attempt 10 questions for that time given is 5 minutes. There is no provision to review the question, so be fast and accurate while answering. The link will be effective only for given time slot. Your Name, Registration number, Semester, Section, Phone number and Email id must be entered correctly before starting this quiz. best wishes Coordinator -- Metrology
- 1.When a set of readings of a measurement has a wide range, it indicates
- A.
High precision
- B.
High accuracy
- C.
Low precision
- D.
Low accuracy
- 2.The difference between the lower and higher values that an instrument is able to measure is called
- A.
Accuracy
- B.
Sensitivity
- C.
Range
- D.
Error
- 3.When determining the uncertainty for a particular measurement device, the common uncertainty factors that should be included are
- A.
Errors in the measurement technique and method
- B.
Random variability of the measurement process
- C.
Technician's error
- D.
All of these
- 4.The aim of calibration is to
- A.
Meet customer requirement
- B.
Detect deterioration of accuracy
- C.
Comply with ISO9000 standard requirements
- D.
Practice measurement procedures
- 5.Which of the following defines parallax error
- A.
Same as observational error
- B.
Apparent shift of an object when the position of the observer is altered
- C.
Error caused by the distance between scale and the measured feature
- D.
Mean of the values of measurements when the object is observed from the right and from the left
- 6.Which of the following errors is eliminated or minimized by zero setting adjustment on a dial indicator
- A.
Parallax Error
- B.
Inherent Error
- C.
Alignment Error
- D.
Computational Error
- 7.When a steel rule is used, which of the following is the source of measurement uncertainty
- A.
Inherent instrument error, temperature error and manipulative error
- B.
Attachment error, manipulative error and temperature error
- C.
Attachment error, bias and inherent instrument error
- D.
Inherent instrument error, manipulative error and observational error
- 8.Accuracy is defined as
- A.
A measure of how often an experimental value can be repeated
- B.
The closeness of a measured value to the real value
- C.
The number of significant figures used in a measurement
- D.
None of these
- 9.Conformity of a physical quantity to the national standard of measurement is known as
- A.
Calibration
- B.
Sensitivity
- C.
Traceability
- D.
Repeatability
- 10.Systematic errors are
- A.
Controllable errors
- B.
Random errors
- C.
Uncontrollable errors
- D.
None of these
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