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Engineering Systems and Safety Final exam with verified solutions

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Engineering Systems and Safety Final exam with verified solutions

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2024/2025
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Engineering Systems and Safety Final
exam with verified solutions


Which of the devices listed is used to convert thermal energy to useful mechanical work? -
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




correct answer ✔turbine |||||| ||||||




The main condensate pump in a steam propulsion plant discharges directly to the? - correct
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔air ejector intercondenser |||||| |||||| ||||||




What pump produces the highest pressure in the steam cycle? - correct answer ✔feed
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




pump


which of the following conditions must be carried out before the superheating of saturated
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




steam can occur in a boiler? - correct answer ✔the steam must be removed from contact
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




with the water from which it was generated
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




What sea water temperature differential through a Main Condenser indicates its efficient
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




operation - correct answer ✔10 degrees F |||||| |||||| |||||| |||||| |||||| ||||||




The DC heater functions to... - correct answer ✔store, heat, deareate
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




in the main steam cycle of the TS Kennedy, what is the pressure and temperature of the
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




steam leaving the superheater? - correct answer ✔pressure 600 psi, temperature 850
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




degrees F ||||||




where should the normal boiler operating water level of the Steam Drum be kept? - correct
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔1/2 full |||||| ||||||

, What piece of equipment establishes the vacuum in the Main Condenser? - correct answer
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




✔air ejector ||||||




Sea water is flowing inside what tubes? - correct answer ✔main condenser tubes
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




two types of Heat Exchangers discussed in class are? - correct answer ✔direct contact heat
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




exchangers and indirect contact heat |||||| |||||| |||||| ||||||




for every pressure, there is a correspoinding _______________ temperature. - correct
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔saturation ||||||




before lighting a fire in the furnace of the TS Kennedy boiler, it must be _____________? -
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




correct answer ✔purged |||||| ||||||




The fuel oil for combustion is stored in what tanks? - correct answer ✔fuel oil settling tanks
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




The Forced Draft fan that supplies Oxygen for the combustion process is located where? -
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




correct answer ✔inside the engine room |||||| |||||| |||||| |||||| ||||||




for every 10 degree increase in Feedwater temperature through the Economizer, the Overall
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




plant efficiency increases by what percentage? - correct answer ✔1%
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




the approximate furnace temperature of the boiler furnace aboard the TS Kennedy is? -
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




correct answer ✔3,000 degrees F |||||| |||||| |||||| ||||||




what is the name of the water tanks used to store quality water of .25 GPG (or less)? -
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




correct answer ✔distilled water tanks |||||| |||||| |||||| ||||||

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