Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS Unit -1 1. 2. 3. 4. 5. 6. 7. 8. 9. _________________ is a technology by which a process or procedure is accomplished without human assistance. [ ] A) Nano technology B) Automation C) Electricity D) None Automation is closely associated with __________________ A) Institutions B) Manufacturing C) Agriculture D) None Automation means [ ] Workers Increased replacing humans All the A) B) controlling C) D) productivity by machines above machines Flexible manufacturing system may be [ ] Difficult when An automated Expensive to All the A) B) C) the new products D) assembly line alter above are introduced Which of the following may be classified as an automated system? [ ] Numerically Automated ware All the A) controlled B) Robotic C) D) house above machine tool Which of the following has the lowest production components of controlling system may include rates? [ ] Continues Job shop Batch A) B) C) Mass production D) productio production production n system Flexible manufacturing allows [ ] Quick and inexpensi Automated Factory Tool design and A) B) C) D) ve design management production product changes ______________ is the highest level of automation. [ ] Enterprise Machine A) Plant level B) C) Device level D) level level How many basic elements does automation have [ ] A) Three B) Five C) Six 10. A closed loop control system is also known as Open loop A) B) control system 11. How many levels of automation exist A) Three B) Five Feed back control system D) [ C) Control system None ] D) None [ C) Six D) ] None Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS 12. ______________ is the lowest level of automation. Enterprise A) Plant level B) C) level 13. ______________ is the second level of automation. Enterprise A) Plant level B) C) level 14. ______________ is the fourth level of automation. Enterprise A) Plant level B) C) level 15. ______________ is the third level of automation. Enterprise A) Plant level B) C) level 16. A open loop control system works [ Device level ] D) Machine level [ Device level ] D) Machine level [ Device level ] D) Machine level [ system level [ ] D) Machine level ] Without Feed A) B) back control C) With bothA&B D) None system 17. Closed-loop control systems should have which of the following properties [ ] Low Good Desirable sensitivity to regulation A) responses to B) changes in the C) D) All of the above against commands plant disturbances parameters 18. A system with more than one input variable or more than one output variable is known by what name? [ ] Multivariable Open-loop Robust control Closed-loop A) B) control C) D) feedback system system feedback system system 19. Complete the following sentence: An open-loop control system utilizes an actuating device to control a process _______ [ ] With Feed back control system A) in engineering synthesis B) without using feedback. C) using feedback. D) in engineering design 20. Important modern applications of control systems include which of the following? [ ] Fuel-efficient Automated Autonomous A) B) C) and safe D) All of the above manufacturing robots automobiles 21. Complete the following sentence. Control of an industrial process by automatic rather than manual means is often called ________ [ ] Automated Autonomous Fuel-efficient A) B) C) D) manufacturing robots and safe All of the above Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS automobiles 22. Important modern applications of control systems include which of the following? [ ] Fuel-efficient Automated Autonomous All of the above A) B) C) and safe D) manufacturing robots automobiles 23. Closed-loop control systems should have which of the following properties [ A) Low sensitivity to changes in the plant parameters B) Desirable responses to commands Good regulation C) against disturbances 24. Control engineering is applicable to which fields of engineering? A) Mechanical and aerospace B) Chemical and Electrical and C) environmental biomedical 25. A Fixed automation process has what kind of product manufactured Same type of Product in Product flexibility A) B) C) product batches in manufacturing UNIT-2 1 Storage buffers are used in ______________ lines [ ] A) Transfer B) Pick up C) Continuous D) None Automated assembly systems use automated methods at workstations 2. rather than ____________ A) Robots B) Humans C) Cyborgs D) 3. 4. 5. 6. 7. A single-station manual assembly cell consists of a ______workplace in which the assembly work is accomplished on the product A) Single B) Dual C) Infinite D) A storage buffer is a location in the production line where work units are ______________ stored Not related to A) Temporarily B) Permanently C) D) work units Monotony means _______________ More A) Lack of variety B) number of C) Fixed variety D) varieties Walking beam transport and rotary mechanisms are A) Continuous B) Synchronous C) Asynchronous D) A__________ transport system uses a continuously moving conveyer ] D) All of the above [ D) ] All of the above [ ] D) none [ ] None [ ] None [ ] None [ ] None [ ] None [ ] Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS that operates at constant velocity. A) Continuous B) Synchronous 8. 9. C) Asynchronous D) None The assembly line must be designed to achieve a production rate sufficient to satisfy demand for the ____________ [ ] Raw A) Product B) C) Machines D) None material The third level of pacing is when there is [ ] Pacing with A) No pacing B) Pacing C) D) None margin ____________ is the work content time divided by the total available service time on the line. [ ] Balance Line A) Balance delay B) C) D) None efficiency efficiency The objective of the line balancing is to distribute the total workload on the 11. assembly line evenly among [ ] A) Workers B) Stations C) Industries D) None 12. Assembly in industry is a process of [ ] Breaking Machining Joining the Casting the A) B) the C) D) the components components components components 13. Components are usually loaded into the hopper in [ ] A) Bulk B) Single C) Both A&B D) None 14. Geneva mechanism has maximum how many slots [ ] A) Eight B) Ten C) Nine D) None 15. Geneva mechanism is used in [ ] Rotary A) Inline transfer B) C) Both A&B D) None transfer 16. Walking beam transport [ ] Inline B)Rotary C)Both A) D)None transfer transfer A&B 17. Cam mechanism is used in [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 18. Chain drive mechanism is used in [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 19. Rack and pinion mechanism is used in [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 20. Ratchet and pawl mechanism is used in [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 21. Power rollers mechanism is used in [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 22. A pallet fixture is a [ ] 10. Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS A) Work holding device B) Rotary device C) Both A&B D) None 23. a dial indexing system is used in [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 24. Work part transport can be [ ] A) Inline transfer B) Rotary transfer C) Both A&B D) None 25. Chain drive mechanism is used in [ ] A) Continuous B) Synchronous C) Asynchronous D) None Unit-3 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. The work envelope of a polar coordinate robot is [ ] Box Cylinder Spherical A) B) C) D) Articulated Vacuum type grippers are called as __________________ [ ] A) Magnetic B) Adhesive C) Electrical D) Suction gripper grippers grippers grippes ___________drive system is generally reserved for smaller robots [ ] A) Pneumatic B) Hydraulic C) Mechanical D) Electrical Spherical coordinate system consist of ____________ [ ] One linear A) & two B) Two linear C) Three linear D) None rotational translations translations motion ___________ is the ratio of a change in output in response to a change in input A) Reliability B) Range C) Sensitivity D) accuracy Non servo controlled robots are also called as Point to A) End point B) C) D) All the above Contour point A manipulator with 2 – DOF (RR) is a A) 4-D B) Planer C) Spatial D) Redundant The Cartesian coordinate robot of following joints A) PRR B) PRP C) RPP D) PPP The following are force control methods A) Pure force B) Impedance C) Both A & B D) None control control _____________ is the fuel used in pneumatic A) Air B) Petrol C) Pressurizes D) Compressed air fluid ___________are the end effector used to grasp or hold a work piece A) Wrist B) Gripper C) Arm D) Body Manipulator is a ______________chain A) Open kinematic B) Closed C) Moving D) None The following is the non contact proximity sensor [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS 14. 15. 16. 17. 18. A) Fiber optic sensor B) Encoder C) Resolver D) Tachometer [ ] What state of fluids are used in pneumatic and hydraulic actuator A) Moving B) Stationary C) Excited D) None [ ] Which among the following is internal sensor A) Vision B) Proximity C) Force D) Position [ ] What is the symbol for polar configuration A) TRL B) LTL C) TRR D) TRT [ ] The spatial resolution of a robot is the __________ increment of movement A) Smallest B) Longest C) Fixed D) None Power screws are used to convert rotary motion into Rotary C) motion Which among the following is a external sensor A) Tactile B) Position C) Palletizing by robot means placing products A) Linear motion 19. 20. A) One over other 21. 22. B) B) Side by side Robot is derived from Czech word A) Rabota B) Robota C) C) Rebota Angular motion D) None Velocity D) Encoder Gap between products [ ] [ ] [ ] Throwing D) at a greater force [ ] D) Ribota A Robot is a [ ] (A) Programmable (B) Multi functional manipulator (C) Both A&B (D) None 23. The following drive is used for lighter class of Robot. (A) Pneumatic drive (B) Hydraulic drive (C) Electric drive [ (D) All 24. In which of the following operations Continuous Path System is used [ (A) Pick and Place (B) loading and Unloading (C) Continuous welding 25. Internal state sensors are used for measuring __________ of the end effector. [ (A) Position (B) Position & Velocity (C) Velocity & Acceleration (D) Both A& C UNIT-4 1. Robotic Kinematics deals with the study of [ A. Motion B. Force C. Both A&B. 2. Accurate control of the manipulator requires precise control of A. Each joint. B. Robot base. C. Link D.None 3. Robotic dynamics deals with the study of [ A. Acceleration. B. Force. C. both A & B. D. None ] ] D. None [ ] ] ] (D) All ] Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS 4. Going from joint space to world space is called [ ] A. Forward kinematics. B. Robotic dynamics. C. Both A & B. 5. Going from world space to joint space is called [ ] A. Forward transformation B.Reverse transformation C.Both A&B. D. None D. None 6. The origin of Cartesian axis system is often located in [ ] A. Robot base. B. Robot joints. C. Robot link. D. None 7. How many common types of motion does a robot manipulator make in traveling from point to point [ ] A. Three. B. Four. C. Five. D. Six 8. Which is the simplest Motion among the following [ ] A. Joint interpolation motion B. Straight line Motion C. Slew motion D. None 9. Motion commands are excuted by which source of controller [ ] A. Operative input. B. Program memory. C. Both A&B. D. None 10. The robot manipulator that involves forces without acceleration [ ] A. Statics. B. Dynamics. C. Kinematics. D. None 11. A general purpose robot have how many degrees of freedom [ ] A. Six. B. Five. C. Seven. D. None 12. Vision sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 13. PRL symbol represents which robot configuration [ ] A. Polar configuration B. Cylindrical configuration. C. Cartesian. D. None 14. TLL symbol represents which robot configuration [ ] A. Polar configuration B. Cylindrical configuration. C. Cartesian. D. None 15. LLL symbol represents which robot configuration [ ] A. Polar configuration B. Cylindrical configuration. C. Cartesian. D. None 16. TRR symbol represents which robot configuration [ ] A. Polar configuration B. Cylindrical configuration C.Joint arm configuration D. None 17. Force sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 18. Torque sensor is categorized [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 19. Touch sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 20. Proximity sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 21. Position sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 22. Elastic sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS 23. Acceleration sensor is categorized under [ ] A. External sensor. B. Internal sensor. C. Both A&B. D. None 24. How many spherical Joints in PUMA robot A. Six. B. Five. C. Seven. D. None [ 25.The Cartesian coordinate robot of following joints A) PRR B) PRP C) RPP ] [ D) PPP UNIT 5 1. Which of the following is not a programming language for computer controlled robot? [ (A) AMU (B) VAL (C) RAIL (D) HELP 2. Methods of performing lead through teach procedure (A) Powered lead through (B) manual lead through [ ] (C) both A&B 3. Lead through programming dates from early (A) 1960 (B) 2000 (C) 1980 [ ] (D) None ] (D) does not exist 4. Motions in a lead through program are recorded (A) Closed spaced points ] [ ] (B) individual points (C) both A&B (D) None 5. In case of gripper the basic command to actuate the fully open [ (A) Open command (D) react command (B) close command (C) execute command ] 6. In case of gripper the basic command to actuate the fully close [ (A) Open command (D) react command (B) close command (C) execute command 7. In case of limited sequence robots programming is accomplished by setting (A) Limit switches (B) mechanical switches (C) both A&B ] [ (D) None ] Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS 8. A typical robot teach pendent consist of (A) Speed control (B) motion control [ (C) led display (D) all of the above 9. Industrial robots have digital computers as their (A) Controllers (B) mechanical switches ] [ (C) both A&B ] (D) None 10 manual lead through is convenient for programming playback robots with what type of path control [ ] (A) Continuous (B) discontinuous (C) both A&B (D) None 11. End effectors can be classified into two categories which are… (A) Elbows and wrists [ ] (B) Grippers and end of arm tooling (C) grippers and wrists (D) End of arm tooling and elbows 12. The amount of weight that a robot can lift is called… (A)Tonnage (B) payload (C) dead lift [ ] (D) horsepower 13. When a welding torch is placed as an end of arm tooling, what type of programming needs to take place to execute the welding process. [ ] (A) Point to point (B) continuous path (C) off-line (D) palletizing 14. Which joint on a robot are we most concerned with when it comes to end of arm tooling?[ (A)Base (B) elbow (C) wrist (D) shoulder 15. The type of end of arm tooling you should use on your robot is not based on…[ (A)The application ] (B) The work envelope of the robot ] (C) gripping force (D) Program control 16. Earlist installations of industrial robots were in (A) 1961 (B) 1965 (C) 1968 (D) 1969 [ ] 17. Earlist installations of an industrial robot were for which manufacturing operation (A) Die casting (B) stamping(C) Rolling (D) welding [ ] 18. In robotic material handling applications the robot [ ] (A) Moves parts (B) throws parts (C) inserts parts 19. Industrial robots are used in (A) Industries (B) sports (C) movies (D) none [ (D) none ] Subject: Automation & Robotics(9A03702) Branch: Mechanical Name of the Faculty: K.A.Prabhu Year: IV-I B.Tech UNIT WISE OBIECTIVE QUESTIONS 20. Industrial robot performs following operations for welding (A) Spot welding (B) die casting (C) forging [ (D) none 21) Spray gun by a industrial robot is used for (A) Spot welding (B) spray coating [ (C) forging (B) point to point control ] (D) none 22. The robot used in arc welding should be capable of locating (A) Continuous path control ] [ (C) Zig Zag control (D) none 23. Spray coating is hazardous to [ ] 24. The robot used in arc welding is following type [ ] (A) Jointed arm robot (D) none (A)Humans (B) Robots (C) Both A&B (B) spherical robot (D) none (C) cylindrical robot 25. The robot used in arc welding should have following joints (A) Six (B) five (C) four (D) three ] [ ]