1.
This sign tells you that a substance is:
Correct Answer
D. Dangerous to the environment
Explanation
This sign indicates that a substance poses a risk to the environment. It implies that the substance, if released or improperly disposed of, could cause harm to plants, animals, or ecosystems. This could include pollution of water bodies, soil contamination, or damage to wildlife habitats. It serves as a warning to handle and dispose of the substance responsibly to prevent environmental harm.
2.
This sign means:
Correct Answer
C. Emergency shower
Explanation
This sign represents an emergency shower. In case of a hazardous chemical spill or exposure, an emergency shower is used to quickly rinse off the affected person's body to minimize the potential harm. It is important to be aware of this sign and its meaning in order to respond appropriately in case of an emergency.
3.
This sign tells you where:
Correct Answer
A. To go if there is a fire
Explanation
This sign provides guidance on where to go in the event of a fire. It serves as a clear indication of the designated safe location or exit that individuals should proceed towards in order to ensure their safety during a fire emergency.
4.
Fire exits are coloured:
Correct Answer
C. Green and white
Explanation
Fire exits are typically coloured green and white to make them easily recognizable and distinguishable from other doors or exits. The combination of green and white provides a high contrast, making the exit stand out and visible even in low light or smoky conditions. This color scheme is widely used internationally as a standard for fire exits, ensuring that people can quickly locate and access a safe way out in case of emergency.
5.
A truck has to tip materials into a trench. Who should give signals to the truck driver?
Correct Answer
D. Anyone who is trained and competent
Explanation
The correct answer is anyone who is trained and competent. When tipping materials into a trench, it is crucial for the truck driver to receive signals from someone who is knowledgeable and capable of giving accurate instructions. This ensures the safety of both the truck driver and anyone else present in the vicinity. Simply being present or knowing the signals may not be enough; it is essential to have the necessary training and competence to effectively communicate with the truck driver and prevent any potential accidents or mishaps.
6.
This sign means:
Correct Answer
B. You must wear ear protection
Explanation
This sign indicates that it is mandatory to wear ear protection in the area where the sign is displayed. It is important to protect one's ears from potential loud noises or machinery that may cause harm or discomfort. Wearing ear protection helps prevent hearing damage and ensures personal safety in noisy environments.
7.
Yellow and black signs mean:
Correct Answer
C. Hazard or danger
Explanation
Yellow and black signs are commonly used to indicate hazard or danger. These signs are designed to alert individuals to potential risks or unsafe conditions in a particular area. They serve as a visual warning to encourage caution and awareness, prompting people to take necessary precautions and avoid any potential harm or danger.
8.
This sign means:
Correct Answer
C. No entry for people on foot
Explanation
The sign depicted in the question indicates that there is no entry for people on foot. This means that individuals who are not on foot, such as those on bicycles or in vehicles, may still be allowed entry. However, pedestrians are prohibited from entering the area indicated by the sign.
9.
Red and white signs with a red line mean:
Correct Answer
B. You must not do something
Explanation
Red and white signs with a red line typically indicate a prohibition or a restriction. These signs are used to convey that there is something that you are not allowed to do. They serve as a warning or a reminder to abstain from a certain action or behavior. Therefore, the correct answer is "you must not do something."
10.
This sign means:
Correct Answer
D. You must wear your safety gloves
Explanation
This sign indicates that it is mandatory to wear safety gloves. It serves as a reminder to individuals to protect their hands while performing a task or working with potentially hazardous materials. Wearing safety gloves can help prevent injuries and ensure the safety of the person carrying out the work.