CQPA EXAM 2 (V, VI, VII UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

CQPA EXAM 2 (V, VI, VII UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
1. Parameter
Answer:
True numeric population value, often unknown, estimated by a statistic

Question:
2. Population
Answer:
All possible observations of similar items from which a sample is drawn

Question:
3. Statistic
Answer:
A numerical data value taken from a sample that may be used to make an inference about a population

Question:
4. MIL-STD-721C (1981)
Answer:
Considered by reliability professionals as the "dictionary" for reliability and maintainability terms

Question:
5. Accessibility
Answer:
A measure of the relative ease of admission to the areas of an item for the purpose of operation or
maintenance

Question:
6. Availability
Answer:
A measure of the degree to which an item is in an operable and committable state at the start of a mission
when the mission is called for at an unknown (random) time

Question:
7. Burn-in
Answer:
The operation of an item under stress to stabilize its characteristics

Question:
8. Checkout
Answer:
Tests of an item to determine its condition or status

, Question:
9. Corrective Action
Answer:
A documented design, process, procedure, or materials change implemented and validated to correct the
cause of failure or design deficiency

Question:
10. Criticality
Answer:
A relative measure of the consequences of a failure mode and its frequency of occurances

Question:
11. De-bugging
Answer:
a process to detect and remedy inadequacies

Question:
12. Dependability
Answer:
A measure of the degree to which an item is operable and capable of performing its required function at
any (random) time during a specified mission profile

Question:
13. Derating
Answer:
(a) using an item in such a way that applied stresses are below rated values
(b) The lowering of the rating of an item in one stress field to allow an increase in another stress field

Question:
14. Durability
Answer:
A measure of useful life (a special case of reliability)

Question:
15. Environment
Answer:
The aggregate of all external and internal conditions (such as temperature, humidity, radiation, magnetic
and electric fields, shock vibration, etc.)

Question:
16. Environmental Stress Screening (ESS)
Answer:
A series of tests conducted under environmental stresses to disclose weak parts and workmanship defects
for correction

Question:
17. Failure