3.10 internal water treatment for boilers

Beschreibung

Quiz am 3.10 internal water treatment for boilers, erstellt von TRAVIS CANNING am 29/01/2016.
TRAVIS CANNING
Quiz von TRAVIS CANNING, aktualisiert more than 1 year ago
TRAVIS CANNING
Erstellt von TRAVIS CANNING vor mehr als 8 Jahre
82
1

Zusammenfassung der Ressource

Frage 1

Frage
One method of controlling chemical concentrations is to prepare chemical batches using a table of tank level vs__________
Antworten
  • chemical addition
  • pump stroke
  • steam flow
  • feedwater addition

Frage 2

Frage
Mechanical carryover can be prevented by careful boiler design and by operating the boiler within the design parameters for ______ level and firing rates
Antworten
  • chemical
  • water
  • blowdown
  • impurities

Frage 3

Frage
The two most common designs of chemical feed pumps are the ________, plunger type and the electronic impulse-type
Antworten
  • electric
  • electronic
  • reciprocating
  • vibrating

Frage 4

Frage
A______ feed system, this involves feeding the chemicals to the boiler system at the most efficient injection points and at a steady and continuous rate.
Antworten
  • closed bypass
  • shot
  • slug
  • continuous

Frage 5

Frage
_______ is particularly harmful as it forms a very hard deposit on turbine blades.
Antworten
  • carryover
  • mist
  • silica
  • phosphate

Frage 6

Frage
The cause of carryover can be divided into two broad categories, namely mechanical and
Antworten
  • virtual
  • carryover
  • upset
  • chemical

Frage 7

Frage
_______ is particularly harmful as it forms a very hard deposit on turbine blades
Antworten
  • carryover
  • mist
  • sillica
  • phosphate

Frage 8

Frage
control of the continuous blowdown flow is _____ adjusted by the operator
Antworten
  • manually
  • automatically
  • quickly
  • slowly

Frage 9

Frage
Shot feeding involves the injection of chemicals over a relatively _______ period of time
Antworten
  • long
  • intermittent
  • short
  • measured

Frage 10

Frage
With the ______ feed system, its a common practice to mix one batch of chemicals per day.
Antworten
  • closed bypass
  • shot
  • slug
  • continuous

Frage 11

Frage
_______ is any solid, liquid or vaprous contaminants that leaves the boiler with the steam
Antworten
  • carryover
  • blowdown
  • feedwater
  • mist
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