SALAMAT MASTER GLEYANN
Cooling Water System Mastery Quiz
Test your knowledge on cooling water systems with our comprehensive quiz! Delve into key concepts related to engine cooling water treatment, maintenance, and system management.
- 84 detailed questions
- Multiple choice format
- Immediate feedback on your answers
The recommended pH for cooling water according to the table
6-8
7-9
5-7
8-10
The recommended hardness maximum should be
85 ppm
65 ppm
75 ppm
95 ppm
The recommended chloride max. Lvl should be
150 ppm
100 ppm
200 ppm
50 ppm
Engine cooling water should be tested
Once a Month
Once a Week
Every two weeks
Once a Year
The recommended silicate max. Lvl should be
150 ppm
100 ppm
200 ppm
50 ppm
Laboratory test sample water should be done at least
Once a Month
Every 6 Months
Every 3 Months
Once a Year
If the quality of the cooling water after checking exceeds control limit by water treatment
It will be recirculated in the system
The cooling water should be replaced completely
Allows water to flow from the water main with a control of a valve
To operate machineries in normal and emergency situations
Bad news as you risk damage to your gaskets
A very low Ph value
A very high Ph value
A neutral Ph value
None of the above
An example of engine cooling water treatment
Rocor
DEWT NC
Unitor
All of the above
Corrosion in an engine usually occurs
When pH is higher than neutral
When pH is in neutral
All of the above
When pH is lower than neutral
Engine cooling water test kit
Spectrapak 310
Spectrapak 309
Spectrapak 311
Spectrapak 308
Boiler water test kit
Spectrapak 309
Spectrapak 310
Spectrapak 311
Spectrapak 308
Sulphate content is increasing the cooling water
Exhaust gas contamination
Adhere to cooling surface
Only distilled with proper
None of the above
Oily inhibitors
Exhaust gas contamination
Adhere to cooling surface
Only distilled with proper
None of the above
The jacket freshwater cooling system absorbs the heat given off by the engine, thus ________ absorbs the heat given by the jacket cooling water
LTFW Cooler
HTFW Cooler
Jacket Cooling
Seawater Cooling
If the temperature of sea water is lower than normal
It will be recirculated in the system
It will be direct to overboard
It will flow to drain tank
None of the above
The cooling water of the engine should be
Only distilled with proper
Recirculated in the system
Circulated to cool down
None of the above
Circulated to cool down and cleanse
Lubricating oil
Cooling water
Evaporator
Condenser
Circulated to dissipate heat from combustion
Evaporator
Superheater
Economizer
Cooling water
Utilizes waste heat to produce steam
Superheater
Economizer
Condenser
Evaporator
Utilizes heat to produce unsaturated steam
Superheater
Economizer
Condenser
Evaporator
Utilizes heat to increase thermal efficiency
Fire hydrant
Evaporator
Economizer
Superheater
Allows water to flow from the water main with a control of a valve
Emergency fire pump
Fire hydrant
Bilge system
Main seawater pump
It must be located outside the engine room
Emergency fire pump
Fire hydrant
Bilge system
Main seawater pump
A piping system intended for disposing of water that may accumulate in spaces within the vessel
Main seawater pump
Bilge system
Fire hydrant
Emergency fire pump
It is used for emergency evacuation of water from the engine room
Fire hydrant
Emergency fire pump
Bilge system
Main seawater pump
This system is used to operate machineries in normal and emergency situations
Emergency fire pump
Control air system
Emergency fuel pipes
None of the above
They are categorized in two principal pipes
Fuel oil pipes
HFO and DO intake pipe
Overflow to Settling tank
Quick closing valve
They are normally located on deck in front of the ship's super struct
Fuel oil pipes
HFO and DO intake pipe
Overflow to Settling tank
Quick closing valve
The fuel is taken from the bottom of HFO service tank
Fuel oil pipes
HFO and DO intake pipe
Overflow to Settling tank
Quick closing valve
Each fuel oil tank and lube oil tank must have this
Fuel oil pipes
HFO and DO intake pipe
Overflow to Settling tank
Quick closing valve
It controls the fuel oil temperature in order to provide correct property for good combustion
Fuel oil pipes
HFO and DO intake pipe
HFO heater
Viscosity regulator
The steam inlet is control by viscosity regulator
HFO heater
DO intake pipe
HFO pipe
Quick closing valve
It uses the heat given off by the engine and
Utilizes heat energy to produce important commodity on board
Utilizes waste heat to produce steam
Utilizes heat to produce unsaturated steam
Utilizes heat to increase thermal efficiency
It is common to all fluid systems in the engine room used for controlling temperature manipulated externally
Quick closing valve
Three-way valve
Check Valve
Thermostatic valve
________________ so that one can be cleaned while the other is operating
Filters are arranged in duplicate
Filters are arranged in single
Filters are arranged in compound
None of the above
It controls the temperature of fluid using its internal mechanism
Quick closing valve
Three-way valve
Check Valve
Thermostatic valve
Refers to chemical and mechanical treatment of water source. Goal is to improve
External treatment
Internal treatment
Boiler treatment
Compound treatment
Treatment in form of chemical dosage/injection.
External treatment
Internal treatment
Compound treatment
Water treatment
Sum of suspended solids determined gravimetrically.
Total solids
Suspended solids
Gravemetric solids
Dissolve solids
Substances which will dissolve in water
Total solids
Gravemetric solids
Dissolve solids
Suspended solids
Suspended particles in water.
Total solids
Gravemetric solids
Dissolve solids
Suspended solids
Muddy cloudy appearance
Conductivity
Turbidity
Morbidity
Alkalinity
Measure of alkalinity/acidity. Critical for water treatment programs.
Ph
Ppm
Alkaline
Farehnheit
Measure of bicarb, carbonate, hydroxyl
Alkalinity
Acidity
Hardness
Chloride
water’s ability to conduct electricity in cooling water. It indicates the amount of dissolved minerals
Conductivity
Turbidity
Morbidity
Alkalinity
To establish frequency of blowdown
Chloride test
Alkalinity Test
Turbidity
Conductance test
Removed by filtration
Total solids
Suspended solids
Dissolved solids
Gravimetric solids
Are in solution with water
Total solids
Suspended solids
Dissolved solids
Gravimetric solids
To determine solid contents of boiler water
Conductance test
Turbidity
Chloride test
Alkalinity Test
Finely suspended water
Conductance
Turbidity
Chloride
Appearance
Sometimes used as gauge of solids
Alkalinity Test
Chloride test
Turbidity
Conductance test
Used to react with calcium hardness (30-50ppm)
Phosphate
Sulfite
Sulphate
Nitrite
Caused by calcium and magnesium ions
Hardness
Chloride Content
Ph value
P alkalinity
Formed by salts that have limited solubility but not totally insoluble
Salt precipitation
Sodium carbonate
Salt decomposition
All of the above
A natural process that converts a refined metal into a more chemically- stable form such as oxide, hydroxide, or sulfide
Corrosion
Acidity
Alkalinity
All of the above
Key component of effective monitoring
Sampling
Water test kit
Testing
All of the above
Perfect location in the boiler to take sample for sampling procedure
Salinometer valve
Thermostatic valve
Quick closing valve
Check valve
Removal of oxygen in feed water
Deaeration
Aeration
Treatment
Sampling
Direct or mechanical removal of dissolved oxygen is accomplished through the use of a
Deaerator
Aerator
Water test kit
None of the above
Is a colorless gas with a density about 60% higher than that of dry air
Carbon dioxide
Oxygen
Hydrogen
Nitrogen
Belongs to chalcogen group with atomic number 8.
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
A highly caustic base that decomposes proteins at ordinary ambient temperatures -
Sodium hydroxide
Sodium bicarbonate
Sodium sulfite
All of the above
A compound of nitrogen and hydrogen with the formula NH3 / colorless gas with a characteristic pungent smell
Ammonia
Potassium
Carbonates
All of the above
Heating the water can be done with a preheater or
Sparge tube
Heater valve
Boiler
None of the above
____________of the corrosive effect of dissolved oxygen can be accomplished both directly and chemically.
Elimination
Precipation
Treatment
Sampling
Consists of one or more steel plates bent into a cylindrical form
Shell
Grate/ Bed
Furnace
Mountings
It is a platform in the furnace upon which fuel is burnt
Grate/ Bed
Furnace
Mountings
Accesories
It is the chamber formed by the space above the grate and below the boiler shell
Furnace
Mountings
Accesories
Lagging
The items which are used for the safety of the boiler are called
Mountings
Accesories
Lagging
Fittings
The items which are used for increasing the boiler efficiency are called
Mountings
Accesories
Lagging
Fittings
The level at which water stands in the boiler is called
Water Level
Ph level
Alkalinity level
Feed water level
Insulation material used for lining combustion chamber
Foaming
Refractory
Lagging
Accesories
Formation of steam bubbles on the surface of boiler water due to the high surface tension of water
Foaming
Turbidity
Scaling
Causting
The removal of mud and other impurities of water from the lowest part of the boiler. Accomplished with the help of blow off cock or valve
Blowing off
Sampling
Foaming
Treatment
Insulation wrapped on the outside of the boiler shell or steam piping.
Foaming
Refractory
Lagging
Fitting
Is a measure of the ability of water to pass an electrical current
Conductivity
Turbidity
Morbidity
Alkalinity
It is a measure of the acid-neutralizing capacity of water and is usually determined by titration against sulfuric acid to the endpoint of the acid–base reaction
Alkalinity
Morbidity
Turbidity
Conductivity
Well-known corrosive inorganic ion, which can potentially cause or contribute to equipment break down
Phosphate
Sulphate
Chloride
Calcium
The most important factor influencing scale formation and the corrosive tendencies of boiler water
Ph factor
Ppm
Thermostat
Flowrate
Caused by the solubility of atmospheric oxygen in the supply water
Dissolved oxygen
Sodium nitrate
Sodium carbonate
Carbon dioxide
Maximum lvl of sulphate on engine cooling
100
150
75
125
Analyses of feed and boiler water should be done
Daily
Weekly
Every 2 days
Every month
Maximum lvl of residue after of evaporation on engine cooling
400
200
300
500
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