Which improper operation can lead to spill to the environment?
A) Putting the exchanger online with the bleeder valve open on process side
B) Applying heat to the exchanger without following the proper warm-up procedure
C) Operating a heat exchanger with ruptured tubes
D) All of the above
Answer: D
Explanation: A) Incorrect. Putting the exchanger online with the bleeder valve open on process side, applying heat to the exchanger without following the proper warm-up procedure, and operating a heat exchanger with ruptured tubes can all lead to exposure to spill to the environment.
B) Incorrect. Putting the exchanger online with the bleeder valve open on process side, applying heat to the exchanger without following the proper warm-up procedure, and operating a heat exchanger with ruptured tubes can all lead to exposure to spill to the environment.
C) Incorrect. Putting the exchanger online with the bleeder valve open on process side, applying heat to the exchanger without following the proper warm-up procedure, and operating a heat exchanger with ruptured tubes can all lead to exposure to spill to the environment.
D) Correct. Putting the exchanger online with the bleeder valve open on process side, applying heat to the exchanger without following the proper warm-up procedure, and operating a heat exchanger with ruptured tubes can all lead to exposure to spill to the environment.
You might also like to view...
____ are inclined, continuous, power-driven stairways used to move passengers up or down between floors.
A. Dumbwaiters B. Chair lifts C. Stair lifts D. Escalators
The underlined part of this thread note, M10 x 1.5–6H, means:
a. threads per inch b. threads per meter c. tolerance grade d. thread pitch
A ____ has primary responsibilities, including running printers and plotters, typing internal and external correspondence, filing, running errands, and maintaining the supply room.
A. drafting clerk B. junior CAD technician C. front-office secretary D. logistics operator
Waterless urinals installed in the United States trap odors by using a(n) _____.
a. ionizing filter b. mechanical trap c. liquid seal d. one-way valve