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ABSA 3B2 | 75 Complete Questions and Answers 100% Verified | Latest Update 2024
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ABSA 3B2 | 75 Complete Questions and Answers 100% Verified | Latest Update 2024
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ABSA 3B2 | 75 Complete Questions and Answers 100% Verified | Latest Update 2024 What can not be used to to control an overspeed trip - Answer Pneumatic What refrigerants are most commonly used in an absorption refrigeration system - Answer ammonia and water Where is the flare pit located in an industrial wastewater treatment plant - Answer oil/water separation pit What are 2 common fired heaters - Answer indirect and direct What is the value of a convgerent nozzle inlet - Answer 0.577 What type of turbines use the exhaust steam for a process after the fact - Answer non condensing/back pressure turbine Purpose of a dummy piston on a steam turbine - Answer exert a thrust force on the piston ion the opposite direction to normal thrust force Purpose of a turning gear - Answer prevent hogging Speed sensitive governors - Answer mechanical mechanical hydraulic electric hydraulic What would cause an overspeed to activate ... - Answer What happens when an overspeed trip activates - Answer steam supply inlet closes Most efficient coolant for refrigerant - Answer water cooling Condenser safety devices - Answer atmospheric relief device and high water level In a reaction turbine stationary blade what occurs - Answer velocity increases Pressure drops In a reaction turbine when the steam from the station blade is admitted too the moving blade what force does the steam exert - Answer impulse force on the blade and blade shape creates a reaction force What is the main purpose of a thrust bearing - Answer absorb axial thrust What types of oils system does a medium sized turbine - Answer ring oiled and circulating oil system What type of oil system does a large turbine have - Answer oil circulating systems that supply lube oil to the turbine bearings, the bearings of the driven machine and the reducing gear When a turbine is stopped what is turned on - Answer barring gear or aux oil pump What type of governor Is used when a governor is attached to the turbine shaft - Answer speed sensitive What does the governor do when it speed up - Answer flyweights move outward closing the steam stop valve A overspeed trip is an integral part of the governing system in that it ... - Answer prevents steam from entering the turbine if the speed gets too high On an electroic overspeed, the turbine won't trip until ____ sensors sense an overspeed condition - Answer 2 What can replace an atmospheric relief device - Answer rupture disc or explosion diaphragmLos beneficios de comprar resúmenes en Stuvia estan en línea:
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