3rd Class Power Engineering A2 Chapter 13 Exam 2025 Questions and Answers

3rd Class Power Engineering A2
Chapter 13 Exam 2025 Questions and
Answers


1. The operator interface unit allows the operator to monitor process conditions and manipulate set

points of the process operation. The operator interface unit is located in a central control room.

From this location the operator can:

1. View information transmitted from the processing area on an output device such as a video

monitor.

2. Start the process.

3. Change control conditions from input devices such as a keyboard, mouse or touchscreen.

4. Light boilers and Heaters.

a. 1

b. 1, 2

c. 1, 3

d. 1, 4




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, e. 1, 2, 3, 4. - Correct Answer✔️✔️-c


2. The measurement and control components of the system are distributed at locations throughout

the process area and perform two functions at each location:

1. The measurement of analog and/or digital inputs.

2. Control globe valves.

3. View information transmitted from the processing area on an output device such as a video

monitor.

4. Generation of output signals to actuators that can change process conditions.

a. 1, 4

b. 1, 2, 3

c. 2, 3, 4

d. 1, 3, 4


e. 1, 2, 3, 4. - Correct Answer✔️✔️-a


3. Programmed algorithms are called function blocks and include proportional, integral, and _____

functionality.

a. Alarming.

b. Controlling.

c. Derivative.

d. Shutdown.



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