Question 228Steam Plants - 1st Asst/Chief70% to pass
According to the data given in the illustration which of the following would be the physical state of the fluid at a gage vacuum of 25.03 inches Hg, and 126.08 degrees Fahrenheit? Illustration SG-0026
AI Explanation
The correct answer is B) Sub cooled liquid.
At a gage vacuum of 25.03 inches Hg and a temperature of 126.08 degrees Fahrenheit, the fluid would be in a sub cooled liquid state. This is because the given conditions place the fluid below the saturation curve on the pressure-temperature diagram, meaning the fluid is in a liquid state at a temperature lower than the saturation temperature for that pressure.
The other answer choices are incorrect because: A) Superheated vapor requires the fluid to be above the saturation curve, C) Mixture of saturated liquid and vapor occurs at the saturation curve, and D) Saturated liquid occurs precisely at the saturation curve, not below it.
Related Questions
#226 From which of the areas listed are condensate drains normally collected and returned to the low pressure drain system? #227 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 _ . Illustrations SG-0001 and SG-0004 #229 What physical changes will occur to the steam within a boiler that has been properly bottled up when additional heat is applied? #230 Which of the following statements is true concerning the information tabulated in the table? Illustration SG-0004 #231 If a boiler generates saturated steam at 125.3 psig, how much heat is required to change the water into steam if the feed water temperature is 240°F? Illustration SG-0004