4th Class Power Engineering Unit A10: Fundamental Industrial Communication Skills Exam 2025 Questions and Answers

4th Class Power Engineering Unit A10:
Fundamental Industrial Communication
Skills Exam 2025 Questions and Answers


This type of maintenance involves unplanned and unscheduled events:

Select one:

a. emergency

b. projects

c. routine


d. preventative - CORRECT ANSWER✔️✔️-a


Sectioning symbols can be used to indicate various:

Select one:

a. fittings

b. frequencies

c. materials


d. sizes - CORRECT ANSWER✔️✔️-c




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,The first letter on a P&ID instrumentation symbol stands for the:

Select one:

a. instrument type

b. measurement type

c. vessel type


d. pipe line type - CORRECT ANSWER✔️✔️-b


When asked to complete a task over the radio, you should always: Select one:

a. repeat back the instruction to confirm

b. complete the task as soon as possible

c. have a senior operator show you how to do the task


d. confirm the task with your supervisor - CORRECT ANSWER✔️✔️-a


On a P&ID the abbreviation CSO means:

Select one:

a. connection seal open

b. closed seal on

c. car seal open


d. connection sample open - CORRECT ANSWER✔️✔️-c


This symbol [ ⊣¦⊢ ] is the most common symbol for a:



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, Select one:

a. orifice plate

b. strainer

c. union


d. end cap - CORRECT ANSWER✔️✔️-a


This person usually redlines procedures and P&IDs:

Select one:

a. supervisor

b. operator

c. maintenance person


d. chief - CORRECT ANSWER✔️✔️-b


On this type of diagram you will find the physical relationships of significant items depicted:

Select one:

a. block plan

b. equipment

c. process flow


d. general arrangement - CORRECT ANSWER✔️✔️-d


The most common number of standard views used in engineering drawings is:




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