Question 460Motor Plants - Assistant Engineer70% 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 of the rings in device '7' will affect the flow of water to the evaporation unit labeled '23'. As the rings wear, the pump's efficiency will decrease, reducing the amount of water flowing to the evaporation unit. This decreased water flow will directly impact the evaporation rate, causing it to decrease.
The other answer choices are incorrect:
B) The evaporation rate is dependent on the water flow, not just the vacuum level.
C) Device '7' is likely a centrifugal or other type of pump that does use wearing rings.
D) The standby pump '8' would not be used unless the primary pump '7' failed completely.
Related Questions
#458 A propulsion engine, using the speed control circuit shown in the illustration, fails to function at speeds lower than the low end of the critical speed range. Which of the following statements describes what should be done to correct this malfunction? Illustration MO-0114 #459 What would be the first indication that a tube leak has occurred in area '23'? Illustration MO-0111 #461 Which of the conditions listed would indicate a large condenser tube leak within the distiller shown in the illustration? Illustration MO-0111 #462 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 #463 A diesel engine may be hard to start if the _______________.