Human Factors And Ergonomics! Trivia Questions Quiz

Human error is the most common underlying cause of aviation accidents. This is because mistakes or incorrect actions made by pilots, air traffic controllers, or maintenance personnel can lead to accidents. Human factors such as fatigue, stress, distraction, or poor decision-making can contribute to these errors. While mechanical failure and pilot loss of control can also be factors in accidents, human error is often the root cause.

Teamwork exists when individuals collaborate and cooperate with each other towards a shared goal or objective. It involves a collective effort where each member contributes their skills and efforts to achieve a common purpose. In this scenario, the correct answer highlights the essence of teamwork by emphasizing the importance of individuals working together towards a common objective.

Anthropometrics is the study of physical dimensions and abilities of the human body. This field focuses on measuring and analyzing various aspects of the human body, such as height, weight, body proportions, and range of motion. It helps in understanding human variability and designing products, environments, and systems that are suitable for a wide range of individuals. The study of ancient cultural artifacts is known as archaeology, while the study of how people behave in social settings is known as sociology.

The correct answer is 80%. This suggests that a significant majority of aircraft accidents are attributed to human error. This could include mistakes made by pilots, air traffic controllers, or maintenance personnel, among others. Human error can encompass a wide range of factors such as miscommunication, poor decision-making, or lack of situational awareness. It highlights the importance of continuous training, strict adherence to safety protocols, and the implementation of advanced technologies to minimize the occurrence of human errors in aviation.

Repeating back the verbal communication after hearing it ensures that you have received and understood the message correctly. This technique, known as active listening, allows for clarification and confirmation of the information conveyed. It demonstrates your attentiveness and commitment to fully understanding the communication, promoting effective communication and reducing misunderstandings. Interrupting the person and finishing their sentences can be disruptive and may hinder the flow of communication. Being an expert in the topic being discussed does not necessarily guarantee understanding of the specific information being communicated.

Sleeping at regular intervals is the best countermeasure to combat fatigue because it helps maintain a consistent sleep schedule, which is essential for regulating the body's internal clock and promoting overall sleep quality. By ensuring that sleep occurs at regular intervals, the body can establish a healthy sleep-wake cycle, leading to improved alertness, cognitive function, and physical well-being. This approach is more effective than simply getting extra sleep on days off or taking a vacation, as it focuses on establishing a consistent sleep routine rather than relying on occasional rest periods.

Improved communication and coordination among team members can improve teamwork by ensuring that everyone is on the same page and working towards a common goal. It helps in sharing information, ideas, and feedback, which leads to better decision-making and problem-solving. Additionally, effective communication and coordination foster trust and collaboration among team members, creating a positive and supportive team environment. This ultimately enhances team performance, productivity, and overall success.

Complacency is caused by overconfidence in one's ability to perform a task. When individuals are overly confident, they may become complacent and fail to put in the necessary effort or attention required for successful task completion. This can lead to a decrease in performance and an underestimation of potential risks or challenges.

The behaviors mentioned in the question, such as getting applicable training, keeping knowledge current, using current manuals, asking questions, and seeking guidance from someone who knows, are all strategies that help mitigate errors caused by a lack of knowledge. These behaviors ensure that individuals have the necessary information and skills to perform their tasks correctly and safely, reducing the likelihood of errors or mistakes due to a lack of knowledge.

When a specified tool or part is not available and no equivalent tools or parts are authorized, the best course of action is to cease work until the actual tool or part can be obtained. This is important because using a different tool or part may compromise the quality or safety of the task. It is essential to follow the specifications and use the correct tools and parts to ensure the desired outcome. Therefore, it is necessary to wait until the required tool or part is available before continuing the assigned task.

Short-term memory loss, tiredness, failure to maintain situational overview, and mood swings are all symptoms of fatigue. These symptoms can occur when a person is physically or mentally exhausted, leading to difficulty concentrating, feeling constantly tired, struggling to stay focused on tasks, and experiencing changes in mood.

Safety engineering is the correct answer because it refers to the practice of designing systems in a way that they can continue to function even if one of their components fails. This involves implementing safety measures, redundancies, and fault-tolerant mechanisms to ensure the overall system remains operational and minimizes the risk of accidents or failures. Industrial engineering and anthropometrics, on the other hand, focus on optimizing processes and designing products based on human characteristics, respectively, and do not specifically address the concept of system resilience in the face of component failures.

The environmental aspect of the PEAR model considers all of the above factors, which include workplace design, shared goals, and company culture. This means that when assessing the environmental aspect of the PEAR model, all three factors are taken into consideration.

Assertiveness is the correct answer because the question describes actions such as not alerting others, not speaking up, and not reporting issues, which are all indicative of someone who lacks assertiveness. Assertiveness refers to the ability to confidently and respectfully express one's thoughts, feelings, and concerns, and to stand up for oneself when necessary. By not taking these actions, the person is demonstrating a lack of assertiveness in their behavior.

Cognitive science is the correct answer because it is the branch of human factors that focuses on studying the mental processes and abilities involved in problem-solving. It explores how humans perceive, think, and make decisions, which is directly related to an AMT's ability to quickly solve problems. Safety engineering focuses on designing and implementing safety measures, while clinical psychology deals with diagnosing and treating mental disorders.

The PEAR Model is the correct answer because it considers people's actions in relation to their workplace environment, physical abilities, and available resources. This model recognizes that individuals' behavior is influenced by their surroundings and the resources they have access to. It emphasizes the importance of understanding the interaction between people and their environment in order to create a safe and productive work environment.

"Lack of Awareness" refers to the inability to fully comprehend or foresee the potential outcomes or implications of an action. It involves a failure to consider all possible consequences and display foresight. This can result in making decisions or taking actions without fully understanding the potential risks or implications involved. It is characterized by a lack of understanding or recognition of the broader context or long-term effects of one's actions.

Discussing work to be done or what has been completed can improve communication and reduce the risks of accidents/incidents. By actively discussing tasks and progress, team members can ensure that everyone is on the same page and has a clear understanding of their responsibilities. This helps to prevent misunderstandings and miscommunication, leading to a safer work environment. Additionally, discussing completed work allows for feedback and reflection, enabling the team to identify any potential issues or areas for improvement.

This answer is a safety net for lack of awareness because it involves checking if the work conflicts with an existing modification or repair. This step ensures that any potential conflicts or issues are identified and addressed before proceeding with the work, reducing the risk of accidents or mistakes due to lack of awareness about the existing modifications or repairs. It is a proactive approach to ensure safety and avoid any potential problems that could arise from a lack of awareness.

Always expecting to find faults or problems can help you avoid complacency because it promotes a mindset of continuous improvement and self-reflection. By actively searching for areas of improvement, you are less likely to become complacent and satisfied with the status quo. This action encourages a proactive approach to problem-solving and ensures that you are constantly challenging yourself to do better. It also helps to identify potential issues or shortcomings before they become significant problems, allowing for timely resolution and growth.

The correct answer is the broken ladder should have been previously replaced. This is considered a latent error because it is a hidden or underlying problem that contributed to the incident. The failure to replace the broken ladder indicates a system failure in maintaining equipment, which ultimately led to the incident. The other options, inattentiveness and failure to inspect the ladder, may be active errors on the part of the AMT, but they are not the underlying cause of the incident.

The newest member of the team is often the best person to identify problems associated with the team's "normal way of doing things" because they bring a fresh perspective and are not yet accustomed to any existing inefficiencies or issues. They may notice things that more experienced team members or the team's supervisor may overlook due to their familiarity with the current processes. The new member's different background and experiences can provide valuable insights and suggestions for improvement.

Never compromising your integrity is the behavior that will give you the most credibility and provide the greatest safety net against a Lack of Assertiveness. Integrity is the quality of being honest and having strong moral principles. When you never compromise your integrity, it means that you always act in an honest and ethical manner, which builds trust and credibility with others. By maintaining your integrity, you demonstrate a strong sense of self and values, which can help you assert yourself confidently and effectively in various situations. This behavior also helps to establish a solid foundation for relationships and ensures that your actions are consistent with your beliefs and values.

Discussing the situation with someone else to get their input and assistance can help reduce errors caused by stress because it allows for a fresh perspective and potential solutions to be identified. By seeking the input and assistance of others, individuals can gain new insights, ideas, and strategies for managing the stress and its impact on their performance. This collaborative approach can help alleviate the pressure and provide support in navigating challenging situations, ultimately reducing the likelihood of errors caused by stress.

The "SHEL" model is a human factors tool that aims to identify the location and cause of a problem. It focuses on understanding not only what the problem is, but also where and why it exists. By determining the specific factors contributing to the problem, it becomes possible to address the root causes and develop effective solutions. This approach helps in recognizing patterns and predicting when the problem is likely to occur again, as well as assessing the various human and non-human factors that play a role in the problem.

Using a detailed checklist is a behavior of a safety net that helps reduce errors caused by distractions. By referring to a checklist, individuals can ensure that they have completed all the necessary tasks and have not overlooked any important details. The checklist serves as a visual reminder and helps maintain focus amidst distractions, preventing errors and improving overall safety and accuracy.

Ensuring that the pressure is not self-induced can help reduce the feelings of pressure. This means that the individual should examine whether they are putting unnecessary pressure on themselves and try to eliminate or reduce it. By doing so, they can create a more relaxed and manageable environment, allowing them to focus on the task at hand without feeling overwhelmed or stressed.

Working in a high temperature environment can cause the body to overheat and an increase in perspiration. When exposed to high temperatures, the body tries to cool down by increasing blood flow to the skin and producing sweat. This can lead to dehydration and heat exhaustion if not properly managed. Therefore, options 1 and 2 are correct as they accurately describe the effects of working in a high temperature environment. Option 3, an increased heart rate, is not mentioned as a direct effect of working in a high temperature environment.