PLANT OPERATIONS BOMA PRE-QUIZ 1-100 EXAM QUESTIONS WITH 100% DETAILED ANSWERS 2024/20, Exams of Business Administration

Download PLANT OPERATIONS BOMA PRE-QUIZ 1-100 EXAM QUESTIONS WITH 100% DETAILED ANSWERS 2024/20 and more Exams Business Administration in PDF only on Docsity! PLANT OPERATIONS BOMA PRE-QUIZ 1-100 EXAM QUESTIONS WITH 100% DETAILED ANSWERS 2024/2025 How may fittings be attached to a high press boiler Threaded, Flanges, Certified Welds Which test determines relieving capacity of safety valves Accumulation test Flue gases leave at high temps, we can recover some by Economizer Feedwater is typically heated with Waste or Extracted steam Whats is max pounds of steam per/hr of boiler called Boiler Capacity What is a steam condensers reservoir called Hotwell When inspecting a boiler, main steam valves are Closed, locked, and tagged boiler draft is the difference in ________between two points Pressure boilers are required to have how many pressure gauges 1 Feed water pumps take water from the.. Open feedwater heater High vibrations in a feed water pump could be caused by Hot feed water Which type of pump is best for handling dirty water Centrifugal Which is not part of centrifugal pump Piston ring Why have check valves on multiple feedwater pumps Quick start up Lubricating oil pumps are typically what kind of pump Rotary Centrifugal pumps differ from reciprocating in that they are Dynamic Displacement Most codes restrict the temp of water entering sewer to max temp of 140 degrees Why do compressors have unloaders Capacity Control Air Compressors require Expansion bends and loops How many tri-cocks are on old large boilers 3 What type of blower pushes air through the boiler Forced draft We install blowers to Increase combustion efficiency A flame scanned monitors The main flame only A cushioned check valve is used for An automatic non-return valve When fluid is flowing through a restriction pressure______and speed ________ pressure decreases and speed increases Natural draft can be increased by Increasing the height of the chimney Feedwater pumps need to be isolated with what type of valve Gate valve A deaerator tank 10' high has how much head pressure 4.33 psig (WC weighs 0.433 lb/ft) We mechanically treat boiler water to reduce Oxygen What is removed by a zeolite water softener Calcium and magnesium What are the steps in regenerating a water softener Backwash, salt/brine, solution, rinse Which chemical is used to bind to solids to form non-adhering sludge? Phosphates, Phosphinates, Organic Boiler Treatment or Any of these chemicals Any of these chemicals Mechanical treatment of boiler feedwater is performed where? Performed in DA tank Which would NOT stop boiler corrosion? Slightly acidic water, Open feedwater heater, proper chem treatment or phosphates Slightly acidic boiler water Fires that are burning liquids are class ____ fires? A,B,C,D B When should you take your conductivity readings Before blowing down A PH of 7.2 would be Slightly Alkaline What is a good TDS reading for a steam boiler 5000ppm Steam pressure gauges should have a range of 1 1/2 - 2 times of the safety valve setting Condensate return water should be maintained at PH of? 7-8 The dissolved solids in water can be measured by Electrical conductivity Corrosion in condensate lines is caused by O and CO2 Before firing a boiler it must FIRST Pre-purge Which of the following do you NOT do when firing a cold boiler? Open blowdown valves, Set water level to 1/3 glass, Open vent or Prepurge Open blowdown valves Why bring up heat slowly on a cold boiler To prevent thermal shock Steam-atomizing burners work by Steam crossing the jets of oil To burn 1lb of natural gas about how many lbs of air is needed 14.7 For control of efficient combustion we have Air-tight setting The carbon-dioxide level of flue gases for natural gas should be 10-12% Scale is calcium carbonate and magnesium carbonate deposits With a broken gauge glass the water level is check by Using try-cocks The lowest visible level of water in a boiler must be_______inches above the top row of tubes 3"