Sample CRE Questions

Check all our sample CRE questions here.

Sample Questions

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 …

Sample Questions

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 …

TECH SPOT SAMPLE CRE QUESTIONS (PART 6)
Sample Questions

TECH SPOT: SAMPLE CRE QUESTIONS (PART 6)

1. Consider the regression results from the regression of Y against X for 50 observations:Y = 5.0 – 1.5 X The standard error of the …

TECH SPOT SAMPLE CRE QUESTIONS (PART 7)
Sample Questions

TECH SPOT: SAMPLE CRE QUESTIONS (PART 7)

1. Three components in parallel have mean times to failure of 50, 60, & 70 hrs respectively. The mean repair times are 30, 40 & …

TECH SPOT SAMPLE CRE QUESTIONS (PART 9)
Sample Questions

TECH SPOT: SAMPLE CRE QUESTIONS (PART 9)

1. The effects of failure rates on increased temperatures is called the: a. Thermal model b.  Full scale Model  c. Arrhenius Model   d. Derating effects …

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