GTS Mod 10 Specific
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Questions and Answers

What is the underlying or fundamental cause of a problem known as?

  • Root cause (correct)
  • Hard fault
  • Intermittent fault
  • Symptom

    • Which type of fault is characterized by symptoms being present at all times?

  • Intermittent fault
  • System fault
  • Hard fault (correct)
  • Random fault

    • What kind of fault is difficult to isolate because it may not show symptoms at the time of checking?

  • Symptomatic fault
  • Persistent fault
  • Hard fault
  • Intermittent fault (correct)

    • If a gas turbine engine is not producing enough power, what would be considered the cause of this issue?

    <p>Root cause</p> Signup and view all the answers

    What is a symptom in relation to a fault?

    <p>'Symptom' is evidence showing something is wrong.</p> Signup and view all the answers

    Why are intermittent faults often difficult to isolate?

    <p>Because they require knowledge of system operation.</p> Signup and view all the answers

    What does 'fault finding' in aircraft systems refer to?

    <p>Detecting and isolating faults</p> Signup and view all the answers

    What is the significance of knowledge of the system in fault detection?

    <p>It helps in determining if a system is operating within its parameters</p> Signup and view all the answers

    What is the definition of 'fault isolation' in aircraft systems?

    <p>Determining the cause of the fault</p> Signup and view all the answers

    How is 'fault rectification' related to fault finding?

    <p>It involves replacing or repairing a system</p> Signup and view all the answers

    What does a 'fault' in an aircraft system signify?

    <p>An unexpected change or malfunction in a system or component</p> Signup and view all the answers

    What is the purpose of 'troubleshooting' in aircraft systems?

    <p>Returning the system to a correctly operating state</p> Signup and view all the answers

    What is an example of an intermittent fault?

    <p>A warning light that comes on briefly then goes out</p> Signup and view all the answers

    What characterizes random faults?

    <p>They can be present sometimes and absent at other times</p> Signup and view all the answers

    What is a prerequisite for effective fault finding?

    <p>Understanding how a system operates</p> Signup and view all the answers

    Why are random faults considered the most difficult to isolate?

    <p>Because they combine characteristics of hard and soft faults</p> Signup and view all the answers

    What percentage of time is typically spent on identifying a fault?

    <p>The majority of the time</p> Signup and view all the answers

    Why are skills like operating the system and using support equipment important for effective fault finding?

    <p>To quickly return aeronautical equipment to serviceable state</p> Signup and view all the answers

    In the half-split fault finding process, what is the next step after one of the halves identifies the fault?

    <p>The faulty half is further split in two.</p> Signup and view all the answers

    In the linear system described in Figure 5, at which point is it logical to assume the fault occurs before if there is no output at point 'B'?

    <p>2</p> Signup and view all the answers

    What component would be considered at fault if there is no output at point 1 in the linear system?

    <p>A</p> Signup and view all the answers

    Which step follows after splitting the system into two halves according to the half-split fault finding process?

    <p>Checking each half individually for faults.</p> Signup and view all the answers

    If there is no output at point 'D' in the linear system, where should the next check be made according to the half-split rule?

    <p>2</p> Signup and view all the answers

    What should be assumed if there is no output at point 'B' and then no output at point 1 in the linear system?

    <p>'A' is at fault.</p> Signup and view all the answers

    Which component would be inferred as faulty if there is no output at component 'D' and then no output at component 'A'?

    <p>'A'</p> Signup and view all the answers

    What type of fault may occur in flight but be absent on the ground?

    <p>Intermittent fault</p> Signup and view all the answers

    Which type of fault is a combination of 'hard' and 'soft' faults and is considered the most difficult to isolate?

    <p>Random fault</p> Signup and view all the answers

    Why are skills like understanding how a system operates important for effective fault finding?

    <p>To isolate random faults</p> Signup and view all the answers

    What is a key prerequisite for effective fault finding that allows technicians to use technical publications?

    <p>Skills and knowledge</p> Signup and view all the answers

    Which type of fault is characterized by not following a set pattern and can be present sometimes and absent at other times?

    <p>Random fault</p> Signup and view all the answers

    Which of the following is NOT a prerequisite for effective fault finding?

    <p>Ignorance of the system's history</p> Signup and view all the answers

    Which of the following is NOT a step in the half-split fault finding process?

    <p>Ignoring the non-faulty half</p> Signup and view all the answers

    Which of the following is NOT a type of fault?

    <p>Predictable faults</p> Signup and view all the answers

    Which of the following is NOT a factor that affects fault finding?

    <p>Ignorance of the system's history</p> Signup and view all the answers

    Which of the following is NOT an element of a simple system?

    <p>Complexity</p> Signup and view all the answers

    Which of the following is NOT a way to gather data for analysis as part of the fault finding process?

    <p>Ignoring the symptoms</p> Signup and view all the answers

    What is the first step in confirming that a fault exists in a system?

    <p>Operating the system</p> Signup and view all the answers

    What is an essential prerequisite for successful and safe fault finding?

    <p>Ability to follow instructions laid down in technical publications</p> Signup and view all the answers

    What is required to differentiate between normal and abnormal system operation?

    <p>Understanding of theory of operation</p> Signup and view all the answers

    What is the purpose of operating a system during fault finding?

    <p>To confirm that a fault exists</p> Signup and view all the answers

    What is the role of technical publications in fault finding?

    <p>They provide instructions for fault finding procedures</p> Signup and view all the answers

    What is the significance of system knowledge in fault detection?

    <p>It helps in differentiating between normal and abnormal system operation</p> Signup and view all the answers

    What can be saved through preventing unnecessary use of spares, personnel, and facilities in fault finding?

    <p>Cost and resources</p> Signup and view all the answers

    What is the primary benefit of adopting a systematic approach to fault finding?

    <p>Saving time and resources</p> Signup and view all the answers

    When referring to 'fault rectification' in the fault finding process, what type of actions may be taken?

    <p>System component replacement or repair</p> Signup and view all the answers

    Why is knowledge of the system essential for technicians during fault finding?

    <p>To identify the system operating within parameters</p> Signup and view all the answers

    In fault finding, what does 'troubleshooting' emphasize?

    <p>Returning the system to a correctly operating state</p> Signup and view all the answers

    What does 'fault isolation' specifically refer to in the context of fault finding?

    <p>'Determining the cause of the fault'</p> Signup and view all the answers

    What makes random faults the most difficult to isolate?

    <p>They are a combination of 'hard' and 'soft' faults.</p> Signup and view all the answers

    Why is knowledge of system operation and use of support equipment essential for effective fault finding?

    <p>To apply a systematic approach when identifying faults.</p> Signup and view all the answers

    What is significant about the skills required in fault finding due to strict time constraints?

    <p>They become particularly important.</p> Signup and view all the answers

    Why are random faults considered a unique challenge in fault finding?

    <p>They do not follow a predictable pattern.</p> Signup and view all the answers

    What aspect of random faults makes them different from other types of faults?

    <p>They can be present sometimes and absent at other times.</p> Signup and view all the answers

    How do random faults differ from intermittent faults?

    <p>'Random' faults do not have a set pattern of occurrence.</p> Signup and view all the answers

    Which of the following is NOT a factor that can affect the fault finding process?

    <p>Operator Fatigue</p> Signup and view all the answers

    What is the impact of extreme temperatures and pressures on technical equipment?

    <p>It causes the performance of systems and support equipment to degrade</p> Signup and view all the answers

    What is the role of temperature-sensitive equipment in the fault finding process?

    <p>Temperature-sensitive equipment requires standard temperature and humidity for valid test results</p> Signup and view all the answers

    Which of the following is NOT a factor to consider when evaluating the working environment?

    <p>Equipment availability</p> Signup and view all the answers

    What is the purpose of Test and Measuring Equipment (T&ME) in the fault finding process?

    <p>T&amp;ME is designed to operate in controlled environments with precise temperature, pressure, and humidity requirements</p> Signup and view all the answers

    What is the impact of the working environment on the efficiency and effectiveness of the fault finding task?

    <p>The working environment degrades the efficiency and effectiveness of the fault finding task</p> Signup and view all the answers

    What is the term that denotes changes inserted into a system, which activates or modifies a process?

    <p>Input</p> Signup and view all the answers

    What is a set of interrelated tasks that transform inputs into outputs in a system?

    <p>Process</p> Signup and view all the answers

    What is the term denoting changes which exit a system and activate or modify a process?

    <p>Output</p> Signup and view all the answers

    What type of feedback aids the input in a system?

    <p>Positive</p> Signup and view all the answers

    What is the term used to describe the point where the feedback and input combine in a system?

    <p>Summing point</p> Signup and view all the answers

    What type of system is illustrated in Figure 2, which consists of inputs, a process, and an output?

    <p>Open loop system</p> Signup and view all the answers

    What is the primary function of a system in an aircraft?

    <p>To perform a specific task efficiently</p> Signup and view all the answers

    What happens if a component is removed from a system?

    <p>The system will fail to function</p> Signup and view all the answers

    What is the role of communication in fault finding?

    <p>To improve the efficiency of fault finding</p> Signup and view all the answers

    What is a system hierarchy?

    <p>A system that is made up of parts known as sub-systems</p> Signup and view all the answers

    What is the importance of understanding the team's goal in fault finding activities?

    <p>To avoid accidents and incidents</p> Signup and view all the answers

    What is an example of a system in an aircraft?

    <p>A collection of components designed to work together</p> Signup and view all the answers

    What is a system interface in the context of complex aircraft systems?

    <p>A physical connection between two systems or elements</p> Signup and view all the answers

    What is required to ensure valid test results when using ground support or test and measuring equipment?

    <p>Performing regular calibration checks</p> Signup and view all the answers

    What is the significance of system boundaries in complex aircraft systems?

    <p>They define the responsibilities for fault finding</p> Signup and view all the answers

    What is an example of a system interface in a flight control system?

    <p>A mechanical connection between the control surfaces and actuators</p> Signup and view all the answers

    What can cause a system fault in complex aircraft systems?

    <p>All of the above</p> Signup and view all the answers

    What is required for effective fault finding in complex aircraft systems?

    <p>All of the above</p> Signup and view all the answers

    What is the primary difference between hard faults and intermittent faults?

    <p>Hard faults have symptoms present at all times, while intermittent faults are not always present.</p> Signup and view all the answers

    In fault finding, what type of fault is characterized by symptoms that may not be visible during checks due to the system working to specifications at that time?

    <p>Intermittent fault</p> Signup and view all the answers

    Why are intermittent faults often difficult to isolate?

    <p>They do not show symptoms consistently, making them hard to identify.</p> Signup and view all the answers

    What is the most likely course of action when dealing with an intermittent fault that is not currently manifesting symptoms?

    <p>Apply knowledge of system operation and replace the most likely faulty component.</p> Signup and view all the answers

    Which type of fault is considered the easiest to isolate because its symptoms are present at all times?

    <p>Hard fault</p> Signup and view all the answers

    What distinguishes a random fault from other types of faults?

    <p>Random faults have symptoms that occur unpredictably.</p> Signup and view all the answers

    What is the primary human sense used in fault detection?

    <p>Sight</p> Signup and view all the answers

    What percentage of faults can be detected visually through observation?

    <p>80%</p> Signup and view all the answers

    Which sense is commonly used to detect an abnormal noise in a fault detection process?

    <p>Hearing</p> Signup and view all the answers

    What is an example of a fault symptom that may be detected by the aural sense?

    <p>Noisy bearings</p> Signup and view all the answers

    What is the role of the aural sense in fault detection?

    <p>Detecting abnormal noises</p> Signup and view all the answers

    What is the percentage of learning achieved through sight, according to statistics?

    <p>80%</p> Signup and view all the answers

    What is an effective fault finding technique that can be used to isolate faults?

    <p>Elimination through checking and testing</p> Signup and view all the answers

    Which of the following senses can be useful in identifying faults in aircraft systems?

    <p>Touch</p> Signup and view all the answers

    What is an example of a fault that may not be immediately visible but can be detected using the sense of smell?

    <p>Overheated components</p> Signup and view all the answers

    What is one way to duplicate a fault in aircraft maintenance documentation (AMD)?

    <p>Duplicating the unserviceability as recorded in AMD</p> Signup and view all the answers

    What is the importance of using a combination of tools and techniques in fault finding?

    <p>It can be very effective at isolating faults</p> Signup and view all the answers

    Which of the following techniques can be used to isolate faults in aircraft systems?

    <p>All of the above</p> Signup and view all the answers

    What aspect of the fault finding process does the tactile sense help with?

    <p>Identifying overheated components</p> Signup and view all the answers

    Which of the following is NOT a fault finding tool or technique mentioned in the text?

    <p>Logic gates</p> Signup and view all the answers

    What is the main purpose of using fault finding techniques like checking and testing?

    <p>To prevent the use of guess-work in fault finding</p> Signup and view all the answers

    Which of the following senses can be useful in detecting faults such as cabin air contaminated by engine oil?

    <p>Smell</p> Signup and view all the answers

    Among the listed tools and techniques, which one relies on using system boundaries effectively?

    <p>Flow charts</p> Signup and view all the answers

    What differentiates an effective fault finding process from one that involves 'guess-work'?

    <p>Reliance on checking and testing</p> Signup and view all the answers

    What is the main purpose of Test and Measuring Equipment (T&ME) in the fault finding process?

    <p>To diagnose and locate faults</p> Signup and view all the answers

    Which fault finding technique involves splitting the system into two halves?

    <p>Half-split fault finding process</p> Signup and view all the answers

    What is the primary benefit of adopting a systematic approach to fault finding?

    <p>It saves time and resources</p> Signup and view all the answers

    What is a common challenge when dealing with intermittent faults?

    <p>They do not show symptoms at the time of checking</p> Signup and view all the answers

    What is the term used to describe the underlying or fundamental cause of a problem?

    <p>Root cause</p> Signup and view all the answers

    What is the main emphasis of troubleshooting in fault finding?

    <p>Returning the system to a correctly operating state</p> Signup and view all the answers

    What is a crucial step in effectively using support equipment during fault finding?

    <p>Reading the technical publication procedures</p> Signup and view all the answers

    Which approach is essential for fault finding in increasingly complex aircraft systems?

    <p>Systematic approach</p> Signup and view all the answers

    What significant role does experience play in fault finding?

    <p>Experience is valuable when encountering similar faults</p> Signup and view all the answers

    How can a positive outlook contribute to fault finding in challenging conditions?

    <p>By being an important contributor to fault finding</p> Signup and view all the answers

    What is a common issue with random faults that makes them difficult to isolate?

    <p>Random faults do not follow a set pattern</p> Signup and view all the answers

    Which approach is recommended for developing fault finding skills?

    <p>Using a systematic approach</p> Signup and view all the answers

    What type of fault is characterized by symptoms being present at all times?

    <p>Hard fault</p> Signup and view all the answers

    Which type of fault is most difficult to isolate due to its inconsistent presence?

    <p>Intermittent fault</p> Signup and view all the answers

    What is the term used for the underlying or fundamental cause of a problem?

    <p>Root cause</p> Signup and view all the answers

    In fault localization, what type of fault may require the replacement of the most likely component causing the issue?

    <p>Intermittent fault</p> Signup and view all the answers

    Which classification of faults poses challenges due to their inconsistent and unpredictable occurrence?

    <p>Random faults</p> Signup and view all the answers

    What distinguishes an intermittent fault from a hard fault?

    <p>Duration of symptoms</p> Signup and view all the answers

    What is the next step after one of the halves identifies the fault in the half-split fault finding process?

    <p>The faulty half is further split in two.</p> Signup and view all the answers

    In a linear system with components A, B, C, and D, if there is no output at point 1 after a fault is suspected before point 2, which component is likely to be the fault?

    <p>Component A</p> Signup and view all the answers

    What is the significance of splitting the system into two halves at point two in the fault localisation technique?

    <p>To narrow down the area where the fault might be present.</p> Signup and view all the answers

    What is the logical assumption if there is no output at point B after splitting the system at point 2?

    <p>'A' is functioning correctly.</p> Signup and view all the answers

    What type of fault can be present sometimes and absent at other times, making it a combination of 'hard' and 'soft' faults?

    <p>Random fault</p> Signup and view all the answers

    In fault finding, what is an example of an intermittent fault?

    <p>A warning light that briefly comes on and then goes out</p> Signup and view all the answers

    Why are random faults considered the most difficult type of faults to isolate?

    <p>They are a combination of 'hard' and 'soft' faults</p> Signup and view all the answers

    What is a key characteristic of an intermittent fault?

    <p>It may not be visible at all times</p> Signup and view all the answers

    Which prerequisite is crucial for effective fault finding as it involves applying a structured method to identify faults?

    <p>Understanding how a system operates</p> Signup and view all the answers

    What distinguishes an intermittent fault from a random fault?

    <p>Intermittent faults are unpredictable, while random faults are consistent</p> Signup and view all the answers

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