• International Islamic University Malaysia (IIUM)

• REL 123A

SHELL – MMS MOCK QUESTION

1. From the following list, which is not a critical structural element of a strategic plan for maintenance and reliability?

A. Current levels of performance

B. Benefits available through implementation

C. Historical direction of the business

D. Vision of the future state.

2. Which performance result best shows a maintenance and reliability manager that the scheduled maintenance activities being implemented are effective?

A. Hours spent on unscheduled maintenance have decreased

B. Maintenance cost per unit of production has decreased

C. Total annual maintenance cost has decreased

D. Production rate has increased.

3. A system with parallel structure have built in redundancy. Components are backed up, and the system will work even if some of the components fail to function. Which of the following statement(s) is correct?

A. True for systems only

B. False for all serial and parallel systems

C. True for all series and parallel systems

D. None of these

4. A simple computer consists of a processor, a bus and a memory. The computer will work

only if all three are functioning correctly. The probability that the processor is functioning

is 0.99, that the bus is functioning is 0.95, and that the memory is functioning 0.99. What

is the reliability of the computer?

A. 0.9835

B. 0.9767

C. 0.9311

D. 0.9001

5. Which of the following does not support people development?

A. Defining result areas, goals and measurements

B. Coaching, Feedback and encouragement

C. Defining training and skilled goals

D. Providing feedback only when asked

6. When the time period between the testing which detects a failure, for failures with

significant economic consequence and when life expectancy is highly variable a good

approach is:

A. More frequent periodic predictive testing

B. On-line condition monitoring

C. Structured preventive maintenance

D. Time based rebuild or change out

SHELL – MMS MOCK QUESTION

7. If a machine is running for 1000 hours and five failures are observed during this period,

what is the Mean Time Between Failure?

A) 2500 hours

B) 200 hours

C) 0.005 hours

D) 5000 hours

8. Which of the following most effectively makes up the members of a Manufacturing Team?

A) Production / Maintenance / Supplier / Engineering

B) Sales / Customer/ Production/ Senior Management

C) Senior Management / Production / Human Resources

D) Maintenance / Engineering / Production/ Human Resources

9. Another name of Ishikawa diagram is?

A. Root cause analysis Diagram

B. Fault tree analysis diagram

C. Fishbone Diagram

D. Crow AMSAA Diagram

10. A skills audit is undertaken to:

A. Help an organization understand skills in its industry

B. Develop employee training plans for the next year

C. Benchmark skills against other companies

D. Help an organization understand skills it requires

11. What relationship should Maintenance and Reliability Teams have with customers and suppliers for optimum effectiveness?

A. Sales should be the only department communicating with the customers

B. Team members should be involved in communicating with the customers and

suppliers

C. Purchasing should be the only communicators with suppliers

D. Management should be the only communicators with customers and suppliers

12. When training maintenance workers, it is best to first:

A. Check the budget to set how much to spend per worker

B. Review the list of classes already taken by the workers

C. List all the tasks the workers need to perform

D. Give classes to all workers on basic skills

13. What is the statistical average and the population standard deviation of the following reliability data (3.0, 12.0, 9.0, 4.0, 2.0)

A. Mean = 5.9 , Standard deviation = 3.847

B. Mean = 4.0 , Standard deviation = 3.487

C. Mean = 6.0, Standard Deviation = 3.847

D. Mean = 30.0, Standard deviation = 5.847