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Free Government Certifications Online – Robotics Certificate | Free Government Certificate | Apply Now
Hi everyone so here you will get Free Government certificates for Robotics. This certification process is designed to help you assess your knowledge. Here is the detail:
It is being organized by the Robotics Club of the Department of Mechanical Engineering, LBRCE, Mylavaram, Krishna (Dt), Andhra Pradesh, IndiaThe Quiz is free of cost. Participants will receive an E-certificate on the successful attempt at this quiz. The passing criterion is 40% for the Quiz.
Here are the questions and answers:
Q1) Robot dynamics deals with the determination of *
- workspace of the manipulator
- stability of the manipulator
- singularity of the manipulator
- power rating of the joint motors
Q2) Coriolis force occurs, whenever *
- a link slides through a joint
- a link rotates about a joint
- a rotary link contains a sliding component
- a joint is subjected to a concentrated moment
Q3) In an absolute optical encoder, the number of photo-detectors to be used becomes *
- equal to the number of concentric rings (tracks) used
- independent of the number of concentric rings (tracks) used
- more than the number of concentric rings (tracks) used
- less than the number of concentric rings (tracks) used
Q4) Inductive sensor works for *
- Carbon steels
- Stainless steels
- Rubber
- Plastics
Q5) Hall-Effect sensor is *
- suitable for magnetic materials only.
- a range sensor.
- an internal sensor.
- a contact sensor.
Q6) Which one of the following is not a contact sensor? *
- Force/Moment sensor
- Micro-switch
- Limit switch
- Proximity sensor
Q7) Which one of the following statements is FALSE? *
- Linearity of a sensor is nothing but its constant sensitivity
- Accuracy of a sensor is nothing but its repeatability
- Accuracy of a sensor is different from its repeatability
- Resolution of a sensor always takes a positive value
Q8) In computer vision, the purpose of using thresholding is to *
- store image as an array of pixels
- convert analog information of light intensity into digital form
- remove noise from the image
- obtain a distinction between the object and background
Q9) Robot’s motion planning problem *
- is nothing but its trajectory planning problem.
- aims to decide collision-free path for the robot.
- aims to ensure smooth variation at the robotic joint.
- aims to ensure dynamic balance of the robot.
Q10) In Tangent Graph technique used for solving the find-path problem, the collision-free path for the robot is a combination of *
- external tangents between the circles and circular arcs
- internal tangents between the circles and circular arcs
- circular arcs only
- either internal or external tangents between the circles and circular arcs
Q11) Navigation and Manipulation problems are related to *
- Manipulator and Mobile robot, respectively
- Mobile robot and Manipulator, respectively
- Manipulator only
- Mobile robot only
Q12) An intelligent robot should have *
- adaptive controller only
- adaptive motion planner only
- adaptive motion planner but not adaptive controller
- both adaptive motion planner as well as adaptive controller
Q13) Which one of the following statements is FALSE regarding Potential Field Approach? *
- It is suitable for determining collision-free path for a robot navigating among some moving obstacles.
- Its performance is independent of the chosen potential function.
- There is a chance of this approach to get trapped into the local minimum problem particularly for a concave obstacle.
- The robot may suffer from some oscillatory motions by using this approach.
Q14) During single support phase of a biped robot, its Zero Moment Point (ZMP) is *
- nothing but its centre of pressure point
- nothing but its mass centre
- nothing but a point about which the sum of all moments becomes equal to zero
- a point that has no role to play in carrying out dynamic balance analysis of a biped robot
Q15) Which one of the following motion planning approaches cannot find collision-free path for a robot moving among dynamic obstacles? *
- Incremental planning
- Potential Field approach
- Reactive control strategy
- Visibility Graph
Q16) A Potential Field approach can be used to solve *
- Find-path problems only in robotics
- Dynamic motion planning problems only in robotics
- Both find-path and dynamic motion planning problems in robotics
- Neither find-path nor dynamic motion planning problem in robotics
Q17) The decoded value corresponding to the binary number 101011 is equal to *
- 43
- 44
- 41
- 42
Q18) Which one of the following statements is TRUE? *
- Reachable workspace of a manipulator is a subset of its dextrous workspace
- Dextrous workspace of a manipulator is a subset of its reachable workspace
- No relationship exists between dextrous and reachable workspaces
- Summation of dextrous and reachable workspaces of a manipulator gives rise to its total workspace
Q19) Robot simulator is used for *
- manual teaching
- lead-through teaching
- off-line teaching
- robot programming
Q20) In soft gripper used in robots, there is *
- point contact between the finger and object
- line contact between the finger and object
- area contact between the finger and object
- no contact between the finger and object
