The Ultimate Industrial Safety Quiz!

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| By Catherine Halcomb

Catherine Halcomb

Community Contributor

Quizzes Created: 1428 | Total Attempts: 5,897,934

Questions: 10 | Attempts: 1,753 | Updated: Jan 31, 2023

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The Ultimate Industrial Safety Quiz! - Quiz

Industrial safety refers to the administration of all working and affairs within an industry by safeguarding its employees and property by reducing hazards, risks or accidents. Industrial Safety encompasses electrical safety, fire safety, workplace safety, material safety and so on. Test your knowledge about the techniques and measures to prevent any mishap or hazards in the workplace. So, let's try out the quiz. All the best!

Questions and Answers

1.

The available CO2 4.5 kg fire extinguisher can only be used for a duration of Which one do you like?
- A.
  
  8 to 12 seconds
- B.
  
  8 to 14 minutes
- C.
  
  10 to 14 seconds
- D.
  
  8 to 12 minutes
Correct Answer
C. 10 to 14 seconds

Explanation
The correct answer is 10 to 14 seconds. This is because the available CO2 4.5 kg fire extinguisher can only be used for a short duration of time, typically between 10 to 14 seconds. It is important to use the extinguisher efficiently and effectively within this time frame to suppress the fire and prevent further damage.

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2.

When extinguishing a fire, you should maintain a distance of:
- A.
  
  8 meters
- B.
  
  6 meters
- C.
  
  3 meters
- D.
  
  10 meters
Correct Answer
C. 3 meters

Explanation
When extinguishing a fire, it is important to maintain a distance of 3 meters. This is because fires can be unpredictable and dangerous, and being too close can put you at risk of burns or injury from flames, heat, or falling debris. By maintaining a distance of 3 meters, you can ensure your safety while still being able to effectively extinguish the fire using appropriate firefighting techniques or equipment.

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3.

On flameproof equipment “Ex” – stand for
- A.
  
  Expansion proof
- B.
  
  Exclusive proof
- C.
  
  Explosion proof
- D.
  
  Explosion protected
Correct Answer
D. Explosion protected

Explanation
The abbreviation "Ex" stands for "explosion protected" on flameproof equipment. This means that the equipment has been designed and constructed in a way that it can contain and prevent the ignition of any potentially explosive gases or substances within its enclosure. It ensures that any sparks, flames, or hot surfaces generated by the equipment will not ignite the surrounding explosive atmosphere, thus providing a safe environment in hazardous locations.

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4.

What chemical property can tell you whether a liquid is flammable at room temperature?
- A.
  
  Lower Explosive Limit
- B.
  
  Flashpoint
- C.
  
  Upper Explosive Limit
- D.
  
  Autoignition temperature
Correct Answer
B. Flashpoint

Explanation
The flashpoint of a liquid is the lowest temperature at which it can vaporize to form an ignitable mixture in air. This property is used to determine whether a liquid is flammable at room temperature. If the flashpoint is below room temperature, it indicates that the liquid is flammable and can ignite easily.

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5.

The MOC of a non- sparking tool used in a flammable atmosphere is
- A.
  
  Copper-Beryllium Alloy (Beryllium bronze)
- B.
  
  Aluminium
- C.
  
  Forged Steel
- D.
  
  All of above
Correct Answer
A. Copper-Beryllium Alloy (Beryllium bronze)

Explanation
Copper-Beryllium Alloy (Beryllium bronze) is the correct answer for the MOC of a non-sparking tool used in a flammable atmosphere. This is because Beryllium bronze has excellent non-sparking properties due to its low friction coefficient and high thermal conductivity. It is specifically designed to minimize the risk of sparks and ignition in environments where flammable gases, vapors, or dust are present. Aluminium and Forged Steel are not suitable for use in flammable atmospheres as they have a higher risk of creating sparks.

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6.

What property of a substance is most important in determining how quickly a chemical penetrates your skin, which is primarily made of lipids?
- A.
  
  Water solubility
- B.
  
  Oil solubility
- C.
  
  Flashpoint
- D.
  
  PH
Correct Answer
A. Water solubility

Explanation
The property of water solubility is most important in determining how quickly a chemical penetrates the skin. Since the skin is primarily made of lipids, substances that are water-soluble can easily dissolve in the water content of the skin and penetrate through the lipid barrier. On the other hand, substances that are oil-soluble would have a harder time penetrating the skin as they cannot dissolve in the water content of the skin. Therefore, water solubility plays a crucial role in determining the rate of penetration of a chemical into the skin.

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7.

Confined Space Entry Permit is Which type of Hazard Control?
- A.
  
  Elimination
- B.
  
  Substitution
- C.
  
  Engineering Control
- D.
  
  Administrative Control
Correct Answer
D. Administrative Control

Explanation
An entry permit for confined spaces is considered an administrative control. Administrative controls are measures implemented through policies, procedures, and training to minimize the risk associated with a hazard. In the case of a confined space entry permit, it is a document that outlines the necessary precautions, procedures, and requirements for entering and working in a confined space safely. It helps to ensure that all personnel involved are aware of the hazards and necessary controls, and that the entry is properly authorized and supervised.

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8.

The recommended Voltage level for Lighting inside the confined space is
- A.
  
  24V
- B.
  
  110V
- C.
  
  230V
- D.
  
  55V
Correct Answer
A. 24V

Explanation
The recommended voltage level for lighting inside a confined space is 24V. This lower voltage level is preferred because it reduces the risk of electrical shock and fire hazards. In confined spaces, there is often limited ventilation and an increased risk of flammable substances or combustible materials, making it crucial to minimize potential risks. Using a lower voltage level like 24V helps ensure the safety of individuals working in these spaces by reducing the likelihood of accidents and electrical incidents.

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9.

Which of the following special purpose footwear should you wear to avoid a buildup of static electricity?
- A.
  
  Safety toe shoes
- B.
  
  Electrically Conductive Shoes
- C.
  
  Foundry Shoes
- D.
  
  Metatarsal Guards
Correct Answer
B. Electrically Conductive Shoes

Explanation
Electrically conductive shoes should be worn to avoid a buildup of static electricity. These shoes are designed to provide a path for static electricity to flow safely to the ground, preventing any potential damage or harm that could be caused by static discharge. By wearing electrically conductive shoes, the accumulation of static electricity is effectively controlled, reducing the risk of accidents or damage in environments where static electricity is a concern.

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10.

When gas is rapidly released from a cylinder the temperature of the cylinder will:
- A.
  
  Increase
- B.
  
  Decrease
- C.
  
  Stay the same
- D.
  
  None of the above
Correct Answer
B. Decrease

Explanation
When gas is rapidly released from a cylinder, it undergoes a process called adiabatic expansion. During adiabatic expansion, the gas expands rapidly and does work on its surroundings, causing a decrease in its internal energy. According to the first law of thermodynamics, a decrease in internal energy corresponds to a decrease in temperature. Therefore, the temperature of the cylinder will decrease when gas is rapidly released from it.

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Current Version
Jan 31, 2023

Quiz Edited by
ProProfs Editorial Team
Mar 04, 2019

Quiz Created by
Catherine Halcomb

The Ultimate Industrial Safety Quiz!

The available CO2 4.5 kg fire extinguisher can only be used for a duration of Which one do you like?

When extinguishing a fire, you should maintain a distance of:

On flameproof equipment “Ex” – stand for

What chemical property can tell you whether a liquid is flammable at room temperature?

The MOC of a non- sparking tool used in a flammable atmosphere is

What property of a substance is most important in determining how quickly a chemical penetrates your skin, which is primarily made of lipids?

Confined Space Entry Permit is Which type of Hazard Control?

The recommended Voltage level for Lighting inside the confined space is

Which of the following special purpose footwear should you wear to avoid a buildup of static electricity?

When gas is rapidly released from a cylinder the temperature of the cylinder will: