Welcome to the website where you can pass online the Mintra test on the subject «Hydrogen Sulphide Awareness». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. Mintra based on practical information and marine specialists experience.
The Mintra Test Online about Hydrogen Sulphide Awareness covers the properties and hazards of hydrogen sulphide (H2S), including exposure limits, toxic concentration levels, and health effects such as loss of smell at higher exposure. It also addresses required personal protective equipment (PPE) and employer responsibilities under COSHH regulations for monitoring, prevention, and emergency response.
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Select the answer that apply. The long-term exposure limit for hydrogen sulphide is ____, averaged over an ____ reference period.
5 ppm ... 8-hour.
15 ppm ... 11-hour.
50 ppm ... 8-hour.
10 ppm ... 11-hour.
Select the answer that apply. The short-term exposure limit for hydrogen sulphide is ____, averaged over an ____ reference period.
10 ppm ... 15-minute.
15 ppm ... 20-minute.
50 ppm ... 15-minute.
10 ppm ... 20-minute.
Which of the following items of Personal Protective Equipment (PPE) are required when working in areas where personnel may be exposed to hydrogen sulphide?
Waterproof, chemical resistant coveralls.
Waterproof, chemical resistant gloves.
Waterproof, chemical resistant boots.
Protective goggles.
Welding mask.
Ear plugs.
In relation to controlling exposure to hydrogen sulphide, which of the following are the responsibilities of employers under the COSHH Regulations?
Providing means of detecting, monitoring and protecting personnel from exposure to H2S.
Establishing H2S contingency plans and ensuring emergency escape and evacuation arrangements are in place.
Ensuring that defined occupational exposure levels are not exceeded.
Ensuring that exposure levels are always above defined occupational exposure levels.
Ensuring that all personnel have access to hazardous substance logbooks.
You may be able to detect a "rotten egg" smell at this stage, but this may disappear after a time as your sense of smell is damaged. Select H2S concentration level:
0-10.
50-100.
320-530.
This may lead to eye damage. Select H2S concentration level:
50-100.
0-10.
320-530.
This may result in pulmonary edema (fluid in the lungs) with the possibility of fatal consequences. Select H2S concentration level:
320-530.
0-10.
50-100.
Which of the following checks should be carried out on Respiratory Protective Equipment (RPE)?
Before use, check the air lines for air-supplied Breathing Apparatus.
Examine and test RPE thoroughly at least every month.
Examine and test RPE thoroughly at least every 6 months.
Check the air lines for air-supplied Breathing Apparatus on an annual basis.
When should bunkering fuel tanks be checked for H2S?
During bunkering.
Prior to bunkering.
After bunkering.
After training.
When specified by the Master.
Which of the following are the responsibilities of employees under the COSHH Regulations?
Co-operating with the ship's Master and follow company procedures at all times.
Using the protective equipment they have been provided with as instructed.
Ensuring that exposure levels are always above defined occupational exposure levels.
Establishing H2S contingency plans.
Fixed detector is:
Strategically placed around the installation, this type of detector initiates toxic gas alarms to the bridge.
This type of detector includes hand-held sampling detectors that can be used for background monitoring of hydrogen sulphide levels.
This type of detector is worn by personnel, and must be worn within the user's breathing zone.
Portable detector is:
This type of detector includes hand-held sampling detectors that can be used for background monitoring of hydrogen sulphide levels.
Strategically placed around the installation, this type of detector initiates toxic gas alarms to the bridge.
This type of detector is worn by personnel, and must be worn within the user's breathing zone.
Where there is a potential risk of ____ to significant levels of ____ on oil and chemical tankers, the ship operator or owners are required to ____ the risk and put a contingency plan in place to ____ the identified risks.
... exposure ... H2S ... assess ... manage.
... exposure ... H2O ... assess ... manage.
... increase ... H2S ... consuming ... manage.
... equipment ... H2O ... assess ... increase.
You may be able to detect a "rotten egg" smell at this stage, but this may disappear after a time as your sense of smell is damaged. Which H2S level?
0-10.
50-100.
320-530.
This may lead to eye damage. Which H2S level?
0-10.
50-100.
320-530.
This may result in pulmonary edema (fluid in the lungs) with the possibility of fatal consequences. Which H2S level?
0-10.
50-100.
320-530.
Personal detector is:
This type of detector is worn by personnel, and must be worn within the user's breathing zone.
Strategically placed around the installation, this type of detector initiates toxic gas alarms to the bridge.
This type of detector includes hand-held sampling detectors that can be used for background monitoring of hydrogen sulphide levels.
Select the graphics that represent the characteristics of hydrogen sulphide:
Heavier than air.
Flammable.
Burns with a blue flame.
Lighter than air.
Burns with a green flame.
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