Question 1

Which of the following statements is not true about the limitations of relay ladder logic and function block languages?

Options :

A : They are not suitable for mathematical calculations or complex logic functions

B : They are not suitable for data manipulation or communication with other devices

C : They are not suitable for discrete or sequential control

D : They are not suitable for large programs that require modularity and reusability

Answer: A

Question 2

A device failure goes undetected by internal diagnostics; it does not directly impact safety but it does impact the ability to detect a future fault in a diagnostic circuit. In a failure rate database, this event would be classified as:

Options :

A : safe failure, since it does not increase the risk of a hazardous event and can be corrected during routine maintenance.

B : A dangerous failure, since it reduces the availability and reliability of the device and increases the probability of a hazardous event.

C : A latent failure, since it is not detected by the device or the user and remains hidden until it causes a hazardous event.

D : A nuisance failure, since it does not affect the safety or availability of the device but may cause annoyance or inconvenience to the user.

Answer: A

Question 3

Why is it important for field maintenance technicians to enter and validate data in real time?

Options :

A : It can improve the accuracy and completeness of data and reduce errors and rework

B : It can increase the efficiency and productivity of data collection and analysis

C : It can enhance the communication and collaboration among field technicians and other stakeholders

D : All of the above

Answer: A

Question 4

Which of the following is NOT included in alarm philosophy documentation?

Options :

A : The guidelines for how to address all aspects of alarm management

B : The criteria for evaluating and justifying potential or existing alarms

C : The design specifications and rationale for each qualified alarm

D : The performance metrics and benchmarks for each alarm system

Answer: A

Question 5

What training method is worst suited to help operators with rarely performed maintenance tasks?

Options :

A : Single-point lesson

B : Lecture

C : Simulation

D : Case study

Answer: A

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