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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the value of the degree of freedom used in evaluation by Type-A method? (Where N is the number of independent measurements of quantity) |
A. | N |
B. | N+1 |
C. | N-1 |
D. | N+2 |
Answer» D. N+2 | |
2. |
How can Type-A uncertainties can be quantify? |
A. | Using quality transducer |
B. | Using stepper motor |
C. | Using LCR meter |
D. | Using conductivity meter |
Answer» B. Using stepper motor | |
3. |
Which of the following statement is true about Type-A uncertainty?Statement 1: Most of the systematic uncertainty is Type-A uncertainty.Statement 2: Type-A uncertainties vary each and every time a measurement is made. |
A. | T, T |
B. | F, T |
C. | F, F |
D. | T, F |
Answer» C. F, F | |
4. |
HOW_CAN_TYPE-A_UNCERTAINTIES_CAN_BE_QUANTIFY??$ |
A. | Using quality transducer |
B. | Using stepper motor |
C. | Using LCR meter |
D. | Using conductivity meter |
Answer» B. Using stepper motor | |
5. |
What_is_the_value_of_the_degree_of_freedom_used_in_evaluation_by_Type-A_method?_(Where_N_is_the_number_of_independent_measurements_of_quantity)$ |
A. | N |
B. | N+1 |
C. | N-1 |
D. | N+2 |
Answer» D. N+2 | |
6. |
What is the equation for experimental variance used in Type-A evaluation of uncertainty? |
A. | σ = √[(1/n-1) ∑<sup>n</sup><sub>i=1</sub> (xi-x’)]. |
B. | σ = √[(1/n-1) ∑<sup>n</sup><sub>i=1</sub> (xi-x’)<sup>2</sup>]. |
C. | σ = √[(1/n-1) ∑<sup>n</sup><sub>i=1</sub> (xi+x’)<sup>2</sup>]. |
D. | σ = √[(1/n+1) ∑<sup>n</sup><sub>i=1</sub> (xi-x’)]. |
Answer» C. ‚âà√¨‚àö√¢ = ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ[(1/n-1) ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥<sup>n</sup><sub>i=1</sub> (xi+x‚Äö√Ñ√∂‚àö√ë‚àö¬•)<sup>2</sup>]. | |
7. |
In which guide the symbols, terms and methods used for evaluating measurement uncertainty are described? |
A. | AUM |
B. | SUM |
C. | RUM |
D. | GUM |
Answer» E. | |
8. |
Which of the following statement is true about Type-A uncertainty? |
A. | |
B. | |
Answer» C. | |
9. |
Which of the following is not treated as Type-A uncertainty? |
A. | Thermal stability |
B. | Noise |
C. | Repeatability |
D. | Resolution |
Answer» E. | |
10. |
Which is not used to evaluate Type-A uncertainty? |
A. | Arithmetic mean |
B. | Standard deviation |
C. | Sensitivity coefficient |
D. | Degree of freedom |
Answer» D. Degree of freedom | |
11. |
What is ANOVA in statistical analysis? |
A. | Analysis of variance |
B. | Analysis of various attributes of statistics |
C. | Analysis of non-observable variables |
D. | Assessment of various attributes of statistics |
Answer» B. Analysis of various attributes of statistics | |
12. |
What is used as an input estimate in Type-A evaluation of uncertainty? |
A. | Standard deviation |
B. | Arithmetic mean |
C. | Variance |
D. | Geometric mean |
Answer» C. Variance | |
13. |
What do you mean by Type-A evaluation of uncertainty? |
A. | Involves a series of independent measurements of a quantity |
B. | Involves a series of dependent measurements of a quantity |
C. | Uncertainty which is characterized using an assumed probability distribution based on information available |
D. | Evaluated by judgment of available information |
Answer» B. Involves a series of dependent measurements of a quantity | |