Question 73General Subjects - 1st Asst/Chief70% to pass
If the wearing rings of device "7" shown in the illustration become worn, how will the evaporation rate in "23" be affected? Illustration MO-0111
AI Explanation
The correct answer is A) The rate of evaporation will decrease.
The wearing rings of device "7" are typically used to maintain proper clearance between the impeller and casing in a centrifugal pump. As these rings wear over time, the pump's efficiency decreases, resulting in a lower flow rate. Since the evaporation rate in device "23" is dependent on the flow of water to the unit, a lower flow rate from the worn pump will lead to a decreased evaporation rate.
The other answer choices are incorrect because: B) Device "7" is likely a centrifugal pump that does use wearing rings; C) The evaporation rate is directly affected by the flow of water, not just the vacuum level; and D) The standby pump labeled "8" is not mentioned as being used in this scenario.
Related Questions
#71 If a higher than normal water level is observed through the inspection port of a flash evaporator, you should suspect _______________.#72 What would happen if valve "25" shown in the illustration, vibrated open with the unit in operation? Illustration MO-0111 #74 If valve "D" is opened during the normal operation of the distiller shown in the illustration, which of the events listed will occur? Illustration MO-0111 #75 Which of the conditions listed would indicate a large condenser tube leak within the distiller shown in the illustration? See Illustration MO-0111 #76 If valve "H" shown in the illustration is opened wide while the distiller is in operation, . Illustration MO-0111