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motor shall operate successfully at rated load with a voltage variation of plus or minus ten percent and frequency variation of plus or minus five
codes and standards for steam generatorall equipment purchased and installation work done shall be in accordance with thebullcanadian electrical
q analog control system for steam generator the analog modulating control of the steam generators will be performed using a process control system by
input-output-processor interconnection network iopin this interconnection network is designed for communication between io channels and processors
q explain about burner management systemthe vendor shall provide a stand alone burner management system that is nfpa approved provision shall be
processor-memory interconnection network pminits a switch which attaches several processors to distinct memory modules connecting each processor to
q local operator panel for steam generatora local operators panel is required for operator use during steam generator light off this panel shall
what is user defined functionsuser-defined functions permit defining its own t-sql functions that can accept 0 or more parameters and return a single
what are primary keys and foreign keysprimary keys are the unique identifiers for every row they must have unique values and cannot be null due to
q flue gas excess oxygen control for steam generatorair-gas ratio control provides approximate excess oxygen control however an in-situ oxygen probe
what is collationcollation refers to a set of rules that verify how data is sorted and comparedcharacter data is sorted using rules that explain
q air-gas cross-limiting and air-gas ratio controlthe steam generator firing demand signal is directed to two discrete signal selectors a low signal
q firing rate demand for steam generatorthe firing rate for each steam generator is proportional to the feedwater flowing into that steam generator
handlers classificationin 1977 wolfgang handler suggested a complex notation for representing the pipelining and parallelism of computers handlers
q feedwater controls for steam generatorassociated with that steam generator the flow controllers utilize regular pid controllers and their outputs
q steam generator load balancingthe pressure controller output is cascaded to individual stations one for each boiler these allow selective increase
what is cursorcursor is a database object used by applications to manipulate data in a set on a row-by- row basis instead of the typical sql commands
q burner management - discrete controls for steam generatorsthe burner management system shall control the generator operation during pre-purge light
what is viewa simple view can be thought of as a subset of a table it can be used for retrieving data as well as updating or deleting rows rows
q steam generator master pressure controlthe combined header pressure is controlled by a regular pid controller which ultimately trims the water flow
q basic requirements of a control scheme of steam generatorsthe basic requirements of a control scheme arebullmaster steam pressure control by
q explain working of steam samplingsample coolers shall be supplied by the vendor a common sample spillage trough shall also be provided by the
what are different normalization forms1nf eliminate repeating groups make a separate table for every set of related attributes and give each table a
q surface preparation and coatingvendor shall chemically clean all foreign material and commercially sandblast sspc-sp-10 mill scale and rust from
q modularization of steam generatorsvendor shall design and fabricate the high pressure steam generators so that a minimum of field assembly will be