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Which of the following specifications of the specimen is must increase the reliability of a corrosion test?

Which of the following specifications of the specimen is must increase the reliability of a corrosion test? Correct Answer Chemical composition, fabrication history, and metallurgical history

Exact chemical composition, fabrication history, and metallurgical history of a specimen are must increase the reliability of a corrosion test. Specimen with 1/16 to ¼ inch thick, 1 inch wide, and 2-inch-long are commonly employed for laboratory testing.

Related Questions

Which one of the following statements is correct about homogeneous test
1. Validity is dependent upon reliability
2. Reliability is dependent upon validity
3. Reliability and validity are contradictory
4. Poor reliability yields high validity
Select your answer:
Which of the following statements about reliability of a test are correct? (i) Reliability is fixed for a given test. (ii) It is a correlation of the test with itself. (iii) It varies from sample to sample. (iv) it is not affected by the size of the sample (v) High reliability ensures high validity
Which of the following reliability techniques are used in qualitative research? A. Diachronic reliability B. Quixotic reliability C. Synchronic reliability D. Holsti's constant E. Chronbach's alpha Choose the correct answer from the options given below:
Test-retest reliability and internal consistency reliability express reliability in terms of the
In a survey of 100 students, it was found that 25 students have enrolled for Navy AA test series, 26 students have enrolled for NDA test series, 26 students have enrolled for Airforce group X test series, 9 students have enrolled for both Navy AA and Airforce group X test series, 11 students have enrolled for both Navy AA and NDA test series, 8 students have enrolled for both NDA and Airforce group X test series whereas 3 students have enrolled in all three test series. Find the number of students who has not enrolled in any of the test series.
In a survey of 100 students, it was found that 25 students have enrolled for Navy AA test series, 26 students have enrolled for NDA test series, 26 students have enrolled for Airforce group X test series, 9 students have enrolled for both Navy AA and Airforce group X test series, 11 students have enrolled for both Navy AA and NDA test series, 8 students have enrolled for both NDA and Airforce group X test series whereas 3 students have enrolled in all three test series. Find the number of students who have enrolled exactly in any two test series.
In a survey of 100 students, it was found that 25 students have enrolled for Navy AA test series, 26 students have enrolled for NDA test series, 26 students have enrolled for Airforce group X test series, 9 students have enrolled for both Navy AA and Airforce group X test series, 11 students have enrolled for both Navy AA and NDA test series, 8 students have enrolled for both NDA and Airforce group X test series whereas 3 students have enrolled in all three test series. Find the number of students who have enrolled in exactly one test series.
Which of the following statement are true from reliability for a research tool? (a) Reliability is fixed for a given testing tool (b) It is correlation of scores on the testing tool itself (c) Reliability can have negative value (d) It varies from sample to sample (e) It is affected by variance of scores Choose the correct option:
A system consists of four components in series with two components having reliability of 0.9 and two others having reliability of 0.8 at the end of one year. What is the system reliability at the end of one year?
A system consists of four components in parallel with two components having reliability of 0.9 and two others having reliability of 0.8 at the end of one year. What is the system reliability at the end of one year?