Steam Plants (Boilers & Turbines) USCG Question #459 (Set 16)

If the saturation pressure of water is increased, the relative values shown on the illustrated graph of SG-0001 will change. According to pertinent information found in the steam tables of SG-0004, this will result in __________. Illustration SG-0001 and SG-0004

USCG Exam Illustration SG-0001
USCG Examination Diagram: Illustration SG-0001
Official USCG Answer & Rule Citation

Correct Answer: Option B — a decrease the length of line 4

Increasing saturation pressure raises the boiling point and compresses the specific volume range between saturated liquid and saturated vapor on steam property diagrams, resulting in a decreased length for the saturation mixture line.

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