maintenance – business-analysis – কুইজ মডেল টেস্ট অনুশীলন – 11

maintenance – business-analysis – কুইজ মডেল টেস্ট অনুশীলন – 11

1391. What is the probability of event (X or Y) if probability of event X is 0.25 and the probability of event Y is 0.35?

1. Not Enough Information Is Given
2. 0.0875
3. 0.1
4. 0.6

1392. What factors does reliability prediction depend upon, if testing results are available

1. distribution of times to failure
2. None of the above
3. estimated parameters
4. Both of the above

1393. What can be deduced for FTA an AND gate has four inputs and one output with three of the input events occurs?

1. There Is A .75 Probability That The Output Event Occurs
2. The Output Event Will Occur
3. None of the above
4. The And Gate Is Closed

1394. Which organization had provided code of ethics, which provides useful guidelines for reliability professional

1. ISO
2. ASQ
3. CERT
4. UN

1395. What defines the system reliability of an active redundant or parallel system?

1. Is Greater Than The Reliability Of Any Subsystem
2. Decreases As More Redundant Subsystems Are Added To The System
3. Is Equal To The Reliability Of The “Best” Subsystem
4. Increases If The Subsystem With The Lowest Reliability Is Removed

1396. What is the system reliability for 200-hour for a system with four components in series with MTBF of 5,000, 6,000, 4,500 and 2,000 hours?

1. 0.898
2. 0.804
3. 0.832
4. 0.989

1397. Which part of MTTR refers to waiting for spares

1. Delay time
2. Active maintenance time
3. Slop Time
4. None of the above

1398. How many parts does hazard function comprise of, in a bathtub curve

1. 3
2. 2
3. 4
4. 5

1399. What will be the one-sided 95% lower confidence limit of reliability of 100 units for 600 hours mission if the units are subjected to a reliability test with duration of 500 clock hours having 2 failures occurrence, at T1 = 110 hours and at T2 = 300 hours and the failed units are not replaced. ?

1. 0.926
2. 0.988
3. 0.858
4. 0.976

1400. What should design team should do to when stress–strength analysis results in an unacceptable reliability value?

1. Increase Strength
2. Increase Standard Deviation For Stress Or Strength
3. Increase Stress
4. Decrease Strength

আমাদের কাছে থাকা লক্ষ লক্ষ মডেল টেস্ট থেকে প্রাকটিজের জন্য কিছু এখানে তুলে ধরা হল। প্রতিটি অধ্যায়ের উপরে ইশিখন.কম কুইজ চ্যালেঞ্জ এ আছে শত শত মডেল টেস্ট বার বার মডেল টেস্ট দিয়ে নিজেকে যাচাই কর এবং পুরো বাংলাদেশের সকল শিক্ষার্থীর সাথে আপনার মেধা তালিকা দেখুন। প্রশ্নে কোন প্রকার ভুল থাকলে সঠিক উত্তরসহ নিচে কমেন্ট করে জানাবেন, আমরা ঠিক করে দেবো।