Robotics and Automation Important Questions | Unit-wise R23 Exam Guide
Robotics and Automation is one of the fastest-growing areas in engineering, combining mechanical systems, electronics, programming, and intelligent control. The subject focuses on robot types, sensors, actuators, automation tools, and industrial applications.
To help students prepare for examinations in an easy and structured way, here is a complete unit-wise list of robotics important questions.
Robotics and Automation Important Questions for R23 JNTU Students (Unit-Wise)
Unit 1: Basics of Robotics & Robot Components
Key Theory Questions
What is robotics?
Define a robot according to ISO.
What are the main components of a robot?
Explain the history and evolution of robotics.
What is a manipulator?
What is an end effector?
What is a robot joint?
Explain types of robot configurations.
What is work envelope?
Explain robot DOF (degrees of freedom).
What is a robot drive system?
Compare electric, hydraulic, and pneumatic drives.
What are actuators used in robotics?
What is a servo motor?
Explain stepper motor working.
What are tactile sensors?
What are proximity sensors?
What is vision-based sensing?
Define robot accuracy and repeatability.
What is robot resolution?
Explain robot classification based on control.
What is FRR (Free Range Robot)?
What is robot kinematics?
What is a gripper?
Explain robot safety standards.
Numerical Focus Question
DOF calculation for a robot arm.
Workspace estimation.
Torque calculation for rotary joints.
Actuator force calculation.
Accuracy and repeatability problems.
Motor speed–torque conversion.
Robot cycle time calculations.
Payload capacity estimation.
Unit 2: Robot Kinematics & Dynamics
Key Theory Questions
What is forward kinematics?
What is inverse kinematics?
Explain rotation matrices.
What is homogeneous transformation?
Define Denavit-Hartenberg parameters.
What is a kinematic chain?
Explain the difference between open-chain and closed-chain robots.
What is Jacobian matrix?
What is singularity in robotics?
What is trajectory planning?
Explain static forces in robots.
What are the dynamic equations of motion?
What is Lagrangian formulation?
Define joint space.
What is Cartesian space?
Explain path planning.
What is collision avoidance?
Explain velocity kinematics.
What is redundancy in robotics?
Explain motion constraints.
Define robot control accuracy.
What is a work coordinate system?
Describe inverse dynamics.
What is velocity propagation?
What is joint torque calculation?
Numerical Focus Question
Forward kinematics for 2-DOF robot.
Inverse kinematics for planar mechanisms.
Transformation matrix calculations.
Robot link length calculations.
Joint velocity calculations.
Unit 3: Industrial Automation & Control Systems
Key Theory Questions
What is automation?
Explain need for automation.
What is a PLC?
Explain ladder logic.
What is SCADA?
Define industrial sensors.
What is HMI?
Explain feedback control system.
What is a closed-loop control system?
What is a programmable robot?
Explain industrial robot applications.
What is computer-integrated manufacturing?
What is CNC automation?
Explain automated material handling.
What is AGV?
What is FMS?
Define automation levels.
Explain on-off control.
What is PID control?
What is automation hierarchy?
Explain automatic assembly systems.
What are pick-and-place robots?
What is collaborative automation?
Explain IoT in automation.
What is predictive maintenance?
Numerical Focus Question
PLC timer calculations.
Motor control numerical using automation cycles.
Conveyor cycle time calculations.
Production rate calculations with automation.
Robot takt time calculation.
Unit 4: Robot Programming & Applications
Key Theory Questions
What is robot programming?
Explain online programming.
Explain offline programming.
What is teach pendant programming?
Explain motion commands (point-to-point, continuous).
What is a robot program structure?
What is path teaching?
Write steps to create a pick-and-place program.
What is interpolation?
What is safety interlocking?
Explain robot languages.
What is VAL programming?
What is RAPID?
Define universal robot language.
What is cycle time in robot programming?
Explain palletizing robots.
What is welding robot?
What is painting robot?
What is assembly robot?
Explain mobile robotics.
What are service robots?
What is humanoid robot?
Explain warehouse automation.
What is autonomous navigation?
What are vision-guided robots?
Numerical Focus Question
Robot cycle time estimation.
Production count calculation using robots.
Path length calculation.
Pick-and-place time estimation.
Productivity improvement calculation.
Preparation Tips for Robotics and Automation
Understand robot structures, sensors, actuators, and control systems clearly.
Practice diagrams for kinematics, joints, and robot configurations.
Solve numerical problems of DOF, transformation matrices, and workspace.
Watch robotic arm simulations to understand motion.
Learn the basics of PLCs and automation logic.
Solve previous year question papers regularly.
Conclusion
Robotics and Automation is a rapidly evolving field with applications in manufacturing, medical, space, agriculture, and service industries. Studying unit-wise robotics important questions helps students build strong fundamentals and score well in examinations. With regular practice, understanding of control systems, and familiarity with industrial applications, robotics becomes an interesting and high-scoring subject.
