Sample CRE Questions
Check all our sample CRE questions here.
TECH SPOT: SAMPLE CRE QUESTIONS (Part 15)
1. The Arrhenius model is used to predict part reliability. Which of the following are valid Arrhenius model statements?I. The rate of chemical reaction doubles …
TECH SPOT: SAMPLE CRE QUESTIONS (PART 14)
1. In a life test of 4 batteries, failures were observed after 10, 30, and 40 hours. The 4th battery was tested 75 hours without …
TECH SPOT: SAMPLE CRE QUESTIONS (PART 13)
1.Discrete random variable, X, follows the following probability distribution: What is the Mean, Std Dev? A. 1.65, 13.4 B. 1.65, 3.65 C. 3.55,1.65 D. …
TECH SPOT: SAMPLE CRE QUESTIONS (PART 12)
1. A stand‐by redundant system uses two identical units. The failure rate of each unit is 0.0007 failures per hour. What is the system reliability …
TECH SPOT: SAMPLE CRE QUESTIONS (PART 11)
1. Estimate the individual part failure rate given a base failure rate of 0.0333 failure/hour, a quality factor of 0.98 and an environmental stress factor …