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Most Important Robotics Bits For Beginers

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Published in: Robotics
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This file consists of bits on robotics that are more fundamental in nature and that help the student in understanding and appreciating the subject.

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  1. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. ROBOTICS An automatically operated machine that replaces human effort a) CNC machine b) milling machine c) Robot d) Grinding machine Ans: ( c) The engineering discipline dealing with the design, construction and operation of robots a) Artificial Intelligence b) Mechatronics c) Embedded systems d) Robotics Ans: ( d) The word robotics first appeared in the science fiction story of a) Isaac Newton b) Albert Einstein c) Thomas Alva Edison d) Isaac Asimov Ans : ( d) A robot may not injure a human being, or through inaction, allow a human being to come to harm. This is called a) Asimov's zeroth law of robotics b) Asimov's first law of robotics c) Asimov's second law of robotics d) Asimov's third law of robotics Ans: (b) A robot must obey the orders given to it by human beings except where such orders would conflict with the first law. This is called a) Asimov's zeroth law of robotics b) Asimov's first law of robotics c) Asimov's second law of robotics d) Asimov's third law of robotics Ans: (c) A robot must protect its own existence as long as such protection does not conflict with the first or second law a) Asimov's zeroth law of robotics b) Asimov's first law of robotics c) Asimov's second law of robotics d) Asimov's third law of robotics Ans: (d) Along with a movable physical structure, a typical robot consists of a) a motor of some sort b) a sensor system c) a power supply and a computer "brain" that controls all of these elements d) All of the above Ans: ( d) Robots are distinct from other movable machines, such as cars, because of their a) Manipulator b) Computer element c) sensors d) Embedded systems Ans : ( b) Robots are distinct from ordinary computers, in the sense that: a) They have sensors b) they have manipulators c) Normal computers don't have a physical body attached to them. d) They have actuators Ans: (c) Among the following technologies name the two related technologies on which robotics is based a) Numerical control (NC) c) Direct numerical control (DNC) Ans: ( a) and (d) Numerical control (NC) is method of b) computer numerical control (CNC) d) teleoperators
  2. 12. 13. 14. 15. 16. 17. 18. 19. 20. a) Controlling machine tool axes by means of number that have been coded on punched paper tape or other media. b) Using digital data to control robots c) None of the above d) all of the above Ans: ( a) The first numerical control machine tool was demonstrated in the United States at the Massachusetts Institute of technology in a) 1951 b) 1948 c) 1952 d) 1953 Ans: ( c) APT stands for a) Automatically programmed tools b) Any time promising technology c) Always promising technology d) Any where promising technology Ans: (a) A teleoperator is a a) Combination of telecommunications and Informatics b) Combination of operations management and telecommunications c) Mechanical manipulator that is controlled by a human from a remote location d) None of the above Ans: ( c) Initial work on the design of teleoperators can be traced to the handling of a) Ferrous alloy materials b) electromagnetic materials c) Radioactive materials d) Non ferrous materials Ans: ( c) A reprogrammable, multifunctional manipulator designed to move materials, parts, tools, or Specialized devices through variable programmed motions for the performance of a variety of tasks is defined as a) a crane b) a material handling vehicle c) CNC machine d) A robot Ans: (d) Which of the following is a Robot programming method? a) C- Language programming c) C ++ programming Ans: (d) b) Embedded C programming d) Lead through programming The first stationary Industrial robot was the programmable a) ultimate b) penultimate c) innate d) unimate Ans : (d) The largest buyer of unimate arms is a) Electronics industry b) consumer durable industry c) automobile industry Ans: ( c) d) pharmaceutical industry Which of the following are the reasons for growing need of robots? a) they can perform hazardous tasks to humans b) they reduce the element of human error c) the element of fatigue is not found in robots d) All of these Ans: ( d)
  3. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. PUMA stands for a) Penultimate machine assembly b) Programmable ultimate machine assembly c) Programmable universal machine for assembly d) Programmable universal machine assembly Ans: ( c) The applications of robots in manufacturing can be divided into: a) Material handling c) Assembly and inspection Ans: (d) b) processing operations d) all of the above A coordinate measuring machine (CMM) is an application of robot for a) Material handling c) Processing operations Ans: (b) b) assembly and inspection d) none of the above Material — handling applications include a) Material transfer b) machine loading c) machine unloading d) all of the above Ans: (d) Which of the following are examples of processing operations? a) Spot welding b) continuous arc welding c) spray painting d) all of the above Ans: ( d) Under which kind of operation of robots does grinding operation come? a) Material handling b) processing c) assembly and inspection d) none of the above Ans: ( b) Under which kind of operation of robots does polishing operation come? a) Processing b) material handling c) assembly and inspection d) none of the above Ans: ( a) Because of high cost of manual labour, in which kind of operations is the use of robots expected to increase a) Material handling b) processing c) assembly d) none of the above Ans: ( c) The design of the product is an important aspect of a) Robotic material handling b) robotic processing c) Robotic assembly Ans: ( c) d) none of the above The use of robots is justified when a) The operation is repetitive b) The operation is hazardous c) The task requires a work part or tool that is heavy and awkward to handle d) all of the above Ans: ( d) The major categories of Industrial robots by mechanical structure are: a) Cartesian robot b) cylindrical robot c) spherical robot d) all of the above Ans: ( d) A: Assertion: - Cartesian robots are used for pick and place work R: Reason:- It's a robot whose aim has 3 prismatic joints, whose axes are coincident with a caetesian coordinator
  4. 33. 34. 35. 36. 37. 38. a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true and R is false d) A is false and R is true Ans: ( a) A . Assertion: - cylindrical robots are used for assembly operations R . Reason: - It's a robot whose axes from a cylindrical coordinate system a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true and R is false d) A is false and R is true Ans: ( a) A . Assertion: - Spherical robots are used for handling of machine tools R. Reason:- It's a robot whose axes form a polar coordinate system a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true and R is false d) A is false and R is true Ans: ( a) A. Assertion: - SCARA robot is used for assembly operations and handling machine tools R. Reason: - It's a robot which has two parallel rotary joints to provide compliance in a plane a) A is true and R is true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true and R is false d) A is false and R is true Ans: ( a) A. Assertion: - Articulated robot is used for spray painting R. Reason: - It's a robot whose arm has at least 3 rotary joints a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true and R is false d) A is false and R is true Ans: ( a) A. Assertion: - Parallel robots are used as a mobile platform handling cockpit flight simulators R. Reason:- It's a robot whose arms have concurrent prismatic or rotary joints a) Both A and R are true and R is the correct explanation of A b) Both A and R are true but R is not the correct explanation of A c) A is true and R is false d) A is false and R is true Ans: ( a) Among the following find the jobs robots do a) Perform quality control b) monitor radiation c) Change tools and weld d) all of the above Ans: (d)
  5. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. Among the following the important jobs performed by robots outside the manufacturing world are a) CAD/CAM design and prototyping c) Medical applications Ans: ( d) A robot named Demeter is a) An agricultural harvester c) a process equipment Ans: ( a) b) fighting files d) all of the above b) a material handling equipment d) an assembly and inspection equipment Space based robotic technology at NASA falls within 3 specific mission areas namely a) Exploration robotics b) science payload maintenance c) On — orbit servicing d) all of the above Ans: ( d) Two important devices that exist today, which are proven space robots are: a) Remote operated vehicle (ROV) b) Remote manipulator system (RMS) c) All of the above d) None of the above Ans: ( c) An ROV can be a) an unnamed spacecraft that remains in flight b) a Lander that makes contact with an extra terrestrial body and operates from a stationary position c) A rover that can move over terrain once it has landed d) all of the above Ans: ( d) Sojourner rover is a a) ROV B) RMS c) Both d) None Ans: (a) To date; The NASA remote manipulator system (RMS) robot arm has performed tasks as a) a fappler b) a remote assembly device c) a positioning and enchasing device for astronauts working in space d) all of the above Ans: ( d) Centre for Al and Robotics (CAIR) is located at a) Bangalore b) Delhi c) Mumbai d) Hyderabad Ans: ( a) CAIR is a component of a) DRDO b) CSIR c) MSME d) All of the above Ans: ( a) Currently, basic and applied research at CAIR covers the following areas: a) Knowledge based systems b) neural networks c) Control systems and learning theory d) all of the above Ans: ( d) CAIR was established in a) Oct 1982 b) Oct 1986 c) Nov 1984 d) Dec 1985
  6. 50. Ans: ( b) Robots are developed by CAIR for a) Non destructive testing c) Hot slug manipulation Ans: ( d) b) Ammunition loading d) all of the above

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