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Boiler Water Treatment Quiz

Test your knowledge on boiler water treatment and engine cooling water management with our comprehensive 50-question quiz. This quiz is designed for anyone seeking to improve their understanding of water treatment processes and chemical dosages in boilers.

  • Evaluate your technical expertise
  • Learn about essential water properties
  • Assess recommended maintenance practices
50 Questions12 MinutesCreated by TestingTank15
Engine cooling water should be tested
Once a week
Twice a week
Every 3months
Once per year
Corrosion in an engine usually occurs
When pH is lower than neutral
When pH is higher than neutral
When alkalinity is higher than neutral
When alkalinity is lower than usual
Engine cooling water test kits is
Spacetrapak 310
Spacetrapak 320
Spacetrapak 309
Spacetrapak 130
A form of treatment usually in form of chemical dosage/injection
External Treatment
Internal Treatment
Corrosion Inhibitor
Rocor
Finely suspended matter which does not settle. They impart a muddy or cloudy appearance to water.
Foaming
Hardness
Turbidity
Salt precipitation
A measure of the degree of acidity or alkalinity. Control of this is critical for the majority of watertreatment programs.
Alkalinity
PH value
Chloride
Phosphate
Two types of water properties
Physical and Hydraulic Properties
Physical and Pnematic properties
Physical and Chemical Properties
Chemical and hydraulic Properties
It is used to react with calcium hardness in the boiler water
Hydrazine
Sulfite
Phospate
Alkalinity
What is the required hardness in feed water
0-5
<15
0.1-0.2
9-10
What is the required P-Alkalinity in Boiler water
<200
<150
100-150
200
What is the required total alkalinity in boiler water?
300-400
250-500
300-500
200-300
What is the ph value of boiler water
8.5-9.5
10.5-11.5
11-12
10-11
What is the ph value of feed water
7.5-8.5
8.5-9.5
10.5-11.5
12-13
What is the required hydrazine excess on boiler
<0.1-0.3
0.1-0.2
0.7-0.8
0.9-0.10
What is the value of phospate excess?
30-50
40-60
20-50
30-40
What is the require conductivity in a boiler
<1000
<2000
<3000
<4000
If hydrazine is not used what is the alternative oxygen scavenger
Sodium Sulfite
Sodium Sulphate
Phospate
Chloride
What is the maintaing value of dissolved oxygen in a boiler
<0.001
<0.002
<0.003
<0.004
What is the daily recommended water maintenance (daily)
Analyses of feed and boiler water.
Check the functions for salinity and oil detection systems.
The boiler water side (interior) must be carefully inspected at least twice a year.
Check of the water side of the boiler and hot well/deaerator for corrosion and scaling.
What is the daily recommended water maintenance (weekly)
Skimming (surface blow down) according to analyses, but at least once per week (2 minutes with fully open valve).
Check the functions for salinity and oil detection systems
Check of the water side of the boiler and hot well/deaerator for corrosion and scaling.
Check the chemical pump unit.
What is the two function of a boiler
Produce hot water and air
Produce hot water and Cold water
Produce Hot water and steam
Produce steam and saturated air
Steam boilers generate steam in order to power __________ for power generation and various other industrial heating applications
Steam engine
Turbines
Boiler
Generator
Consists of one or more steel plates bent into a cylindrical form and welded together. The shell ends are closed with end plates
Furnace
Grate/ Bed
Shell
Refractory
It is a platform in the furnace upon which fuel is burnt. It can be a Simple Grate for combustion of solid Fuel or a Nozzle Bed for Fluidized Bed Combustion
Water space and steam space
Furnace
Accessories
Grate/ Bed
It is the chamber formed by the space above the grate and below the boiler shell, in which combustion takes place
Furnace
Mountings
Water level
Grate/ Bed
The volume of the shell that is occupied by the water is termed as water space while the entire shell volume less the water and tubes is called steam space
Water level
Foaming
Shell
Water space and steam space
The items which are used for the safety of the boiler
Accessories
Mountings
Grate/ Bed
Furnace
The items which are used for increasing the boiler efficiency are called accessories
Conductivity
Blowing off
Mountings
Accessories
The level at which water stands in the boiler
Water level
Blowing off
Lagging
Conductivity
Insulation material used for lining combustion chamber
Mountings
Accessories
Refractory
Grate/ Bed
Formation of steam bubbles on the surface of boiler water due to the high surface tension of water
Foaming
Turbidity
Lagging
Muddy
Is a measure of the ability of water to pass an electrical current. Because dissolved salts and other inorganic chemicals conduct electrical current, conductivity increase as salinity increases.
Lagging
Insulation
Conductivity
Resistance
Insulation wrapped on the outside of the boiler shell or steam piping
Lagging
Insulator
Rubber
Mounts
It is a measure of the acid-neutralizing capacity of water
Chloride
Alkalinity
PH
Sulfite
The value of the boiler water is a number between zero and fourteen. Values below seven are acidic, seven is neutral, and values above seven are alkaline.
PH
Alkalinity
Chloride
Sulfite
Is a well-known corrosive inorganic ion, which can potentially cause or contribute to equipment break-down
Alkalinity
PH
Chloride
Shabu
Below a pH of _______the water is acidic enough to dissolve the steel boiler plates.
7
6
5
4
Is generally used for the chemical removal of dissolved oxygen within the boiler water.
Sodium oxide
Sodium phosphate
Sodium sulfate
Sodium sulfite
Solids can be broken up into two categories:
Suspended and ignored
Suspended and dearated
Suspended and dissolved
Dissolved and precipitated
Hardness of water is caused by
Calcium and Chloride
Hydrogen and Nitrite
Carbon dioxide and Oxygen
Calcium and Magnesium
Scale is formed by salts that have limited solubility but are not totally insoluble in boiler water.
Alkalinity
Salt precipitation
Calcium
Salt deposits
Give 2 test that uses burrette complete
M-alkalinity test
Chloride test
Ph Test
P alkalinity test
The perfect location in the boiler to take sample is from the
Water Column
Salinometer Valve
Main feed pump
Skin Valve
Samples at temperatures exceeding_____ must be cooled prior to collection to maintain a representative sample
77 Celsius
77 Farenheit
87 Celsius
87 Farenheit
The feed system is made up of four basic items choose the odd one out
The boiler
The turbine
The hotwell
The feed pump
The condenser
_______ is a device that removes oxygen and other dissolved gases from liquids
Hydrazine
Phospate
Deaerator
Aerator
________is a compound of nitrogen and hydrogen with the formula NH3
Nitrogen
Nitrohydrogen
Ammonia
Hydrazine
_______ is a highly caustic base and alkali that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns
Sodium Carbonate
Soldium Sulfite
Sodium Hydroxide
Sodium Phospate
The sum of suspended solids and dissolved solids is determined gravimetrically
Dissolved solids
Solidity
Total solids
Solids
T is a measure of the Bicarbonate (HCO3-), Carbonate(CO2−; 3) and Hydroxyl (OH) in water.
PH-Value
Alkalinity
Chloride
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