Automation Objective Questions

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Subject: Automation & Robotics(9A03702) Name of the Faculty: K.A.Prabhu

Branch: Mechanical Year: IV-I B.Tech

UNIT WISE OBIECTIVE QUESTIONS

Unit -1

1. _________________ is a technology by which a process or procedure is accomplished without human assistance. [ ]

A) Nano technology B) Automation C) Electricity D) None

2. Automation is closely associated with __________________

A) Institutions B) Manufacturing C) Agriculture D) None 3. Automation means [ ] A) Increased productivity B) Workers controlling machines C) replacing humans by machines D) All the above 4. Flexible manufacturing system may be [ ]

A) An automated

assembly line B)

Expensive to

alter C)

Difficult when the new products are introduced

D) All the above 5. Which of the following may be classified as an automated system? [ ]

A)

Numerically controlled machine tool

B) Robotic C) Automated ware

house D)

All the above 6. Which of the following has the lowest production components

of controlling system may include rates? [ ]

A) Job shop

production B)

Batch

production C) Mass production D)

Continues productio

n system 7. Flexible manufacturing allows [ ]

A) Automated

design B)

Factory

management C)

Tool design and

production D) Quick and inexpensi ve product changes 8. ______________ is the highest level of automation. [ ]

A) Plant level B) Enterprise

level C) Device level D)

Machine level 9. How many basic elements does automation have [ ]

A) Three B) Five C) Six D) None

10. A closed loop control system is also known as [ ]

A) Feed back control

system B)

Open loop control system

C) Control system D) None 11. How many levels of automation exist [ ]

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UNIT WISE OBIECTIVE QUESTIONS

12. ______________ is the lowest level of automation. [ ] A) Plant level B) Enterprise

level C) Device level D) Machine level

13. ______________ is the second level of automation. [ ] A) Plant level B) Enterprise

14. ______________ is the fourth level of automation. [ ] A) Plant level B) Enterprise

15. ______________ is the third level of automation. [ ] A) Plant level B) Enterprise

level C) system level D) Machine level

16. A open loop control system works [ ]

A) With Feed back

control system B)

Without Feed back control system

C) With bothA&B D) None 17. Closed-loop control systems should have which of the following properties [ ]

A) Desirable responses to commands B) Low sensitivity to changes in the plant parameters C) Good regulation against disturbances

D) All of the above

18. A system with more than one input variable or more than one output variable is known by what name? [ ] A) Open-loop feedback system B) Multivariable control system C) Robust control system D) Closed-loop feedback system 19. Complete the following sentence: An open-loop control system utilizes an actuating device to

control a process _______ [ ] 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? [ ]

A) Automated manufacturing B) Autonomous robots C) Fuel-efficient and safe automobiles

D) All of the above 21. Complete the following sentence. Control of an industrial process by automatic rather than

manual means is often called ________ [ ]

A) Automated

manufacturing B)

Autonomous

robots C)

Fuel-efficient

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UNIT WISE OBIECTIVE QUESTIONS

22. Important modern applications of control systems include which of the following? [ ]

23. Closed-loop control systems should have which of the following properties [ ]

24. Control engineering is applicable to which fields of engineering? [ ]

25. A Fixed automation process has what kind of product manufactured [ ] A) Same type of product B) Product in batches C) Product flexibility in manufacturing D) none UNIT-2

1 Storage buffers are used in ______________ lines [ ] A) Transfer B) Pick up C) Continuous D) None

2. Automated assembly systems use automated methods at workstations

rather than ____________ [ ]

A) Robots B) Humans C) Cyborgs D) None

3.

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) None

4. A storage buffer is a location in the production line where work units

are ______________ stored [ ]

A) Temporarily B) Permanently C) Not related to

work units D) None

5. Monotony means _______________ [ ]

A) Lack of variety B)

More number of varieties

C) Fixed variety D) None

6. Walking beam transport and rotary mechanisms are [ ]

A) Continuous B) Synchronous C) Asynchronous D) None

7. A__________ transport system uses a continuously moving conveyer [ ] automobiles A) Automated manufacturing B) Autonomous robots C) Fuel-efficient and safe automobiles

D) All of the above

A) Low sensitivity to changes in the plant parameters B) Desirable responses to commands C) Good regulation against disturbances

D) All of the above

A) Mechanical and

aerospace B)

Chemical and environmental C)

Electrical and

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UNIT WISE OBIECTIVE QUESTIONS

that operates at constant velocity.

8. The assembly line must be designed to achieve a production rate sufficient to satisfy demand for the ____________ [ ]

A) Product B) Raw

material C) Machines D) None

9. The third level of pacing is when there is [ ]

A) No pacing B) Pacing C) Pacing with

margin D) None

10. ____________ is the work content time divided by the total available service time on the line. [ ]

A) Balance delay B) Balance

efficiency C)

Line

efficiency D) None

11. The objective of the line balancing is to distribute the total workload on the

assembly line evenly among [ ]

A) Workers B) Stations C) Industries D) None

12. Assembly in industry is a process of [ ] A) Joining the components B) Breaking the components C) Casting the components D) Machining the 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 [ ]

A) Inline transfer B) Rotary

transfer C) Both A&B D) None 16. Walking beam transport [ ] A) Inline transfer B)Rotary transfer C)Both A&B D)None

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 [ ]

19. Rack and pinion mechanism is used in [ ]

20. Ratchet and pawl mechanism is used in [ ]

21. Power rollers mechanism is used in [ ]

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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 [ ]

24. Work part transport can be [ ]

25. Chain drive mechanism is used in [ ]

Unit-3

1. The work envelope of a polar coordinate robot is [ ]

A) Box B) Cylinder C) Spherical D) Articulated

2. Vacuum type grippers are called as __________________ [ ] A) Magnetic

grippers B)

Adhesive

grippers C)

Electrical

grippes D) Suction gripper 3. ___________drive system is generally reserved for smaller robots [ ]

A) Pneumatic B) Hydraulic C) Mechanical D) Electrical 4. Spherical coordinate system consist of ____________ [ ]

A) One linear & two rotational motion B) Two linear translations C) Three linear translations D) None

5. ___________ is the ratio of a change in output in response to a change in input [ ] A) Reliability B) Range C) Sensitivity D) accuracy

6. Non servo controlled robots are also called as [ ]

A) End point B) Point to

point C) Contour D) All the above

7. A manipulator with 2 – DOF (RR) is a [ ]

A) 4-D B) Planer C) Spatial D) Redundant

8. The Cartesian coordinate robot of following joints [ ]

A) PRR B) PRP C) RPP D) PPP

9. The following are force control methods [ ]

A) Pure force control B)

Impedance

control C) Both A & B D) None

10. _____________ is the fuel used in pneumatic [ ]

A) Air B) Petrol C) Pressurizes

fluid D) Compressed air

11. ___________are the end effector used to grasp or hold a work piece [ ]

A) Wrist B) Gripper C) Arm D) Body

12. Manipulator is a ______________chain [ ]

A) Open kinematic B) Closed C) Moving D) None

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UNIT WISE OBIECTIVE QUESTIONS

A) Fiber optic sensor B) Encoder C) Resolver D) Tachometer

14. What state of fluids are used in pneumatic and hydraulic actuator [ ]

A) Moving B) Stationary C) Excited D) None

15. Which among the following is internal sensor [ ]

A) Vision B) Proximity C) Force D) Position

16. What is the symbol for polar configuration [ ]

A) TRL B) LTL C) TRR D) TRT

17. The spatial resolution of a robot is the __________ increment of movement [ ]

A) Smallest B) Longest C) Fixed D) None

18. Power screws are used to convert rotary motion into

[ ] A) Linear motion B) Rotary

motion C)

Angular

motion D) None

19. Which among the following is a external sensor [ ]

A) Tactile B) Position C) Velocity D) Encoder

20. Palletizing by robot means placing products [ ]

A) One over other B) Side by

side C) Gap between products D) Throwing at a greater force

21. Robot is derived from Czech word [ ]

A) Rabota B) Robota C) Rebota D) Ribota

22. 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 (D) All 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. D. None

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 [ ]

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UNIT WISE OBIECTIVE QUESTIONS

4. Going from joint space to world space is called [ ]

A. Forward kinematics. B. Robotic dynamics. C. Both A & B. D. None 5. Going from world space to joint space is called [ ]

A. Forward transformation B.Reverse transformation C.Both A&B. 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 [ ]

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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 (D) None

3. Lead through programming dates from early [ ]

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 (B) close command (C) execute command (D) react command 6. In case of gripper the basic command to actuate the fully close [ ]

(A) Open command (B) close command (C) execute command (D) react 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

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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

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 (D) none

19. Industrial robots are used in [ ]

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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 (D) none

22. The robot used in arc welding should be capable of locating [ ] (A) Continuous path control (B) point to point control (C) Zig Zag control (D) none

23. Spray coating is hazardous to [ ]

(A)Humans (B) Robots (C) Both A&B (D) none

24. The robot used in arc welding is following type [ ]

(A) Jointed arm robot (B) spherical robot (C) cylindrical robot (D) none 25. The robot used in arc welding should have following joints [ ] (A) Six (B) five (C) four (D) three