Industrial Robotics Practice Exam

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• What are the two basic categories of sensors used in industrial robots?
• What is the primary purpose of a force/torque sensor in assembly tasks?
• What is the tool center point TCP and why must it be accurate?
• What do metrology tests compare to assess geometric accuracy in robotic systems?
• Which statement about the listed body-and-arm configurations is accurate?
• In 2015, Uber began operating what type of robotics program?
• What are some characteristics that promote the use of industrial robots?
• Which statement about impedance control in safety-critical human-robot collaboration is true?
• Absolute positioning uses which reference frame?
• When selecting tooling for a robot welding cell, which factor is typically considered?
• What is speed and separation monitoring in collaborative robots?
• What is the joint notation scheme in robotics?
• Why can a 6-DOF manipulator have multiple inverse kinematics solutions for the same end-effector pose?
• Which 3D sensing modality typically requires projecting structured light patterns onto the scene for depth computation?
• In robot control systems, what does playback control refer to?
• What are the degrees of freedom typically found in a wrist configuration?
• What is the Jacobian in robotics, and what is its role in velocity kinematics?
• How do vacuum grippers operate and what are their limitations?
• What is the primary role of a Faro arm or laser tracker in robotics?
• The Tool Coordinate System aligns with the orientation of which component?
• What do degrees of freedom (DOF) refer to in a robotic arm?
• What are force-torque sensors and how do they benefit manipulation tasks?
• Which of the following defines a kinematic singularity in a robotic arm?
• Which considerations influence end-of-arm tooling EOAT selection?
• What is a safety-rated monitored stop and how is it used in a robot cell?
• How are industrial robots typically interfaced with other systems?
• What technologies are involved in autonomous mobile robots?
• Which practice most directly reduces the risk of calibration drift affecting robot accuracy?
• What methods exist for hand–eye calibration?
• Graphical simulation is used in robot programming to?
• What is a characteristic of most current robots?
• Which information does a homogeneous transformation matrix encode in robotics?
• What does a decrease in the rank of the Jacobian indicate?
• What are the two sections of a robot manipulator?
• Which joints provide translational motion?
• What is seam tracking in robot welding?
• Which of the following are commonly considered sources of geometric error during calibration?
• Which methods provide depth information in 3D vision?
• Cycle time for a pick-and-place task is typically computed by summing which components?
• In a polar-coordinate body-and-arm assembly denoted TRL, which description best matches its motion configuration?
• How is a robotic cell commonly integrated with a PLC, and what information is typically exchanged?
• For what purpose is a Rapidly-exploring Random Tree (RRT) algorithm used in robotics?
• What is impedance control in robotics, and when would you use it?
• What is a Probabilistic Roadmap (PRM) in robotics path planning?
• Which common electrical fault can cause intermittent robot motion, and how do you troubleshoot?
• Which statement correctly contrasts Factory Acceptance Test (FAT) and Site Acceptance Test (SAT)?
• Why is safeguarding important in a robot cell layout?
• Which standard is commonly referenced for industrial robot safety, and what does it focus on?
• Which factors influence gripper selection for a given part?
• Which statement about a 4x4 homogeneous transformation matrix is true?
• What is the function of the wrist assembly in robotics?
• Why is the order of joints important in a kinematic chain?
• What do tactile sensors measure?
• What is the role of artificial intelligence in robotics?
• Uber started what type of robotics operation in 2015?
• Mean Time Between Failures is used to inform which activities?
• In hand–eye calibration, what is typically solved for?
• Explain Teach Pendant programming and how it is typically used.
• What is pose estimation in robotics vision?
• How do industrial robots improve quality in manufacturing?
• What is leadthrough programming?
• What is the purpose of surgical robotics?
• Yoshikawa manipulability is computed from which matrix?
• Which activity is part of a basic robot maintenance check?
• Which of the following is a typical challenge in robot painting?
• What is the function of a body-and-arm assembly in robotics?
• When multiple inverse kinematics solutions exist, which approach is commonly used to select a preferred configuration?
• In routine pick-and-place, why is repeatability often more important than absolute encoder accuracy?
• What are the advantages of offline programming in robotics?
• Name a software used for robot simulation and offline programming.
• Which technique is used to reduce sensitivity to singularities in robot control?
• What is the primary function of sensors in robotics?
• What do Denavit–Hartenberg parameters describe in a serial robot manipulator?
• Which statement correctly differentiates point-to-point motion from continuous path motion?
• Which of the following is primarily a platform-independent communications protocol used for data exchange in industrial automation?
• Explain hand–eye calibration and its purpose.
• What are linear and circular interpolation in robot motion, and when would you use each?
• Which option is not listed as a robot type?
• In a robot manipulator, what is the primary function of the joints?
• What describes reconfigurability in robot cells and why is it important?
• Which capability is associated with next-generation robots compared to current robots?
• What is end effector in robotics?
• How can robots contribute to quality control in manufacturing?
• What is a kinematic singularity, and how does it affect motion and control?
• What is the general configuration of a jointed-arm robot denoted by TRR?
• Which trajectory profile is commonly used to bound acceleration and velocity for smooth joint motion?
• Leadthrough programming is best described as:
• What is the function of tactile sensors in robotics?
• What does the notation LOO indicate in Cartesian coordinate body-and-arm assembly?
• What is a safety-rated monitored stop in a robotic cell?
• Which of the following is NOT a rotary-motion joint type?
• Why is repeatability important in automated production?
• What is an industrial robot?
• What is the main role of the robot wrist assembly in terms of spatial orientation?
• What does Yoshikawa manipulability quantify?
• Which statement best describes collaborative safety functions in cobots?
• Why is maintenance accessibility considered in a robot cell layout?
• RRT and PRM are examples of which class of motion planning algorithms?
• Which of the following best describes the World Coordinate System in robotics?
• Which statement describes true off-line programming as used in robotics?
• Which activities are typical in preventive maintenance for an industrial robot?
• Which activity is primarily associated with alignment checks in preventive maintenance of an industrial robot?
• How does a SCARA robot differ from a jointed-arm robot?
• Which of the following is NOT listed as a common body-and-arm configuration for industrial robots?
• Define a cobot and how it differs from a traditional industrial robot.
• What distinguishes joint-space planning from task-space planning?
• In the joint notation scheme, which elements designate the joint types and what separator is used between assemblies?
• Mean Time Between Failures stands for and why it's used in robot reliability planning?
• Which statement describes internal sensors in industrial robots?
• What is the primary benefit of true off-line programming?
• In agricultural robotics, what imaging modality do robots use to identify the location of fruits and assess ripeness?
• What components define end-effector pose in task space?
• What does degree of freedom mean in robotics?
• Which factors influence robot cell layout and workflow?
• Which statement correctly defines repeatability and accuracy?
• What is offline programming?
• How do you determine a robot’s payload and reach ratings?
• Which sequence describes a typical robot vision camera calibration workflow?
• What is an advantage of leadthrough programming?
• What is a common first step to troubleshoot intermittent motion caused by electrical faults?
• Which condition indicates a kinematic singularity with reduced reachability and controllability?
• Which of the following lists are types of robots mentioned?
• In camera calibration, what is the purpose of using multiple images of a known planar chessboard?
• What is the significance of the term 'proximity' in robotics?
• In robot vision calibration, what is the purpose of refining extrinsic alignment after initial calibration?
• Which factor most directly affects end-effector repeatability in a production environment?
• Which of the following is a typical advantage of a vacuum gripper?
• What is the primary role of sensors in robot perception?
• Name a robot programming language used by ABB.
• Which statement best describes the role of the Jacobian matrix in robotics?
• Which factor is NOT typically considered in EOAT selection?
• What is impedance control, and when is it advantageous in robotics?
• What are the two types of leadthrough programming?
• Which company opened AI labs in Seattle and Pittsburgh in 2018?
• Why is navigation and mobility important for next-generation robots?
• How do PLCs coordinate robot motion in a manufacturing cell?
• Name three strategies to reduce robot cycle time without compromising quality.
• A robot shows unexpected jerk during motion. Which of the following is a plausible cause?
• In a high-speed pick-and-place operation, which action most directly reduces the peak motor torque required during acceleration?
• Which statement describes a structured environment?
• What is the primary benefit of reconfigurability in robot cells?
• Which statement about end effectors is true?
• Which capability is provided by textual programming languages that leadthrough programming does not typically offer?
• Which statement best describes the benefit of data logging for maintenance planning?
• What is teach pendant programming, and what are typical limitations compared to offline programming?
• Which elements are typically calibrated in robot calibration?
• To reduce heat distortion during welding, which approach is commonly used?
• What is the role of a robot microcomputer controller?
• Which of the following statements about the tool center point (TCP) is true?
• What was the purpose of the NASA Mars Curiosity Rover?
• What does long-term autonomy mean in robotics?
• Which statement describes the difference between a 2D camera and a 3D camera in robotics?
• What does the term 'robot revolution' refer to?
• What capabilities do textual programming languages provide that leadthrough programming does not?
• What does the World Coordinate System define?
• How do structured and unstructured environments differ?
• What does a continuous path in Cartesian space imply for the end effector?
• Name three common end effectors and one key advantage for each.
• What is a risk assessment in robotics, and what categories are typically assessed?
• What is a trapezoidal velocity profile, and why is it common in industrial robots?
• What does intelligent control in robotics entail?
• What is the structure of a cylindrical body-and-arm assembly denoted by TLO?
• Which factors influence the layout of a robot cell to optimize cycle time and safety?
• What are the basic components of a robot manipulator?
• An offline programming workflow typically uses which resources?
• What is the principal difference between 2D vision and 3D vision in robotics?
• Which description best characterizes a singularity-robust control approach?
• What is a typical use case for 3D vision in robotics?
• What is Amazon Robotics focused on?
• How do industrial robots impact harvesting in agriculture?
• In which scenario is 3D vision particularly advantageous?
• What advancements have been made in mechanical grippers?
• After changing the end effector, how should the TCP be updated?
• Which industry benefits from Amazon Robotics as described?
• What is the primary purpose of robot control systems?
• Differentiate offline programming from online/teach pendant programming.
• Hand–eye calibration solves which of the following?
• Which category is used for precise grasping?
• Offline programming validation typically involves which activity?
• What is the function of the wrist assembly in a robot manipulator?
• Which term describes a robot with three sliding joints, two of which are orthogonal, also known as a rectilinear robot or x-y-z robot?
• What is a tool center point and why is it critical in robot programming?
• Which statement best captures the essence of the 'robot revolution'?
• Which feature distinguishes a SCARA robot from a Cartesian manipulator?
• Which category is known for rapid handling?
• Which statement accurately describes the three primary joint controls: position, velocity, and torque?
• Which statement correctly describes common strategies for collision avoidance in motion planning?
• In Denavit–Hartenberg parameters, what does theta_i represent?
• Which configuration is described as mimicking the human arm?
• In the Denavit-Hartenberg convention, what four parameters describe the relation between adjacent links for a serial manipulator?
• Which statement best describes the purpose of ISO 10218 and ISO/TS 15066 in industrial robotics?
• In SCARA robots, which statement describes the joints providing horizontal compliance for insertion tasks?
• Which sensing modalities are commonly used for 3D perception in robotics, and what are typical trade-offs?
• During offline programming validation, which scenario is commonly checked?
• In safety-critical human-robot collaboration, what capability does impedance control mainly provide?
• What distinguishes collaborative robots (cobots) from traditional industrial robots in terms of safety requirements?
• Which statement about Site Acceptance Testing (SAT) is true?
• What is the significance of the robot wrist assembly?
• Distinguish between point-to-point (PTP) and continuous path interpolation in robot motion.
• How can data logging improve production quality in robotic systems?
• A typical use case for a 6-DOF robotic arm is?
• What comprises a robot life-cycle management plan?
• What significant robotics development occurred in 2018?
• Hand–eye calibration computes the rigid transform between which frames?
• What is the main purpose of simulation in robotics programming, and which tools are commonly used?
• What is a key reason industrial robots are used in hazardous environments?
• Which statement describes a 2018 robotics development associated with Facebook?
• What is ISO 10218, and which robots does it cover?
• What does SCARA stand for?
• What is forward kinematics in a robotic arm used to compute?
• Which gripper category is typically used for fragile objects?
• Checkerboard pattern is used in camera calibration for what purpose?
• In rehabilitation robotics, which tasks can robots perform?
• What differentiates a safety-rated monitored stop from a hard stop?
• What does end-effector pose refer to?
• What is the end effector in robotics?
• What are some applications of industrial robots?
• Which technology areas are involved in autonomous mobile robots, as described?
• Lead-through programming is a teaching method where an operator physically guides the robot through a task; it is particularly useful for
• Which statement about absolute positioning is accurate?
• What is a disadvantage of leadthrough programming?
• Which action directly contributes to improving efficiency by reducing resistance in a high-speed robotic system?
• Which statement defines manual leadthrough in robotics?
• Which standard specifically addresses collaborative operations with collaborative robots?
• What are the main differences between 2D and 3D vision systems and when is each preferred?
• How do you perform frame-to-frame transformations between world, base, and tool frames?
• Which sensor type detects when an object is near without touching it?
• What is the difference between joint space and task space in robot kinematics?
• End-effector pose accuracy vs repeatability: which statement is correct?
• How is geometric accuracy evaluated in robotic systems?
• Which factor most directly influences the decision to use a safety-rated monitored stop rather than a hard stop in a collaborative robot environment?
• What is OPC UA and why is it used in industrial robotics integration?
• Geometric tolerance affects assembly by?
• In the Denavit-Hartenberg convention, the four parameters per link are used to describe the relation between adjacent frames. Which set of parameters is correct?
• Which technique is used to improve consistent application by maintaining a set distance from the surface in robot painting?
• What is camera calibration, and why is it essential for robot vision?
• Which statement best describes why industrial robots are important in manufacturing?
• RAPID is a programming language used for ABB robots that provides which features?
• What is leadthrough programming in robotics?
• Which surfaces are best suited for vacuum grippers?