tutorial questions

Question 1

1. Flexible automation system will involve:
   a. Low production volume with high product variety
   b. Medium production volume with low product variety
   c. High production volume with medium product variety
   d. Medium production volume with medium product variety

Answer 1

Medium production volume with medium product variety

Question 2

2. In automotive manufacturing which of the following is the main reason for automation?
   a. High production volume
   b. Safety
   c. Improved product quality
   d. Reduced manufacturing lead time

Answer 2

a. High production volume

Question 3

3. For which of the following production types lower operator skills are required?
   a. Job shop
   b. Mass production
   c. Batch production
   d. None of the other answers given

Answer 3

b. Mass production

Question 4

4. For which of the following production types dedicated equipment are employed?
   a. Job shop
   b. Mass production
   c. Batch production
   d. None of the other answers given

Answer 4

b. Mass production

Question 5

5. In DC Series electric motors, at no load and when the current is at its minimum value:
   a. The speed is at its minimum value
   b. The speed is at its maximum value
   c. The Speed is zero
   d. The speed does not depend on the current

Answer 5

. The speed is at its maximum value

Question 6

6. A tachometer is used for velocity feedback in:
   a. DC shunt motors
   b. DC Series motors
   c. DC Compound motors
   d. Permanent-Magnet motors

Answer 6

d. Permanent-Magnet motors

Question 7

7. Which of the following manufacturing operations are more widely used by robots?
   a. Spray painting
   b. Drilling operation
   c. Inspection for quality control
   d. Non-destructive testing

Answer 7

a. Spray painting

Question 8

8. The most important feature of a robot in relation to its workcell is:
   a. Its number of joints
   b. Its degrees of freedom
   c. Its speed of operation
   d. Its work volume

Answer 8

d. Its work volume

Question 9

9. In which of the following drive systems are output signal errors detected and corrected?
   a. Stepper motor
   b. Servo motor system
   c. Non-servo motor system
   d. All of the other answers given

Answer 9

b. Servo motor system

Question 10

10. In continuous path control:
    a. The individual joints can only be moved to their extreme limits of the travel
    b. The controller changes each axis at maximum rate
    c. Accurate path control is needed
    d. The motion is not very flexible

Answer 10

c. Accurate path control is needed

Question 11

11. The value of positional accuracy is determined by:
    a. The distance between two adjacent resolution points
    b. The average distance between all points and the target point
    c. Half of the distance between two adjacent spatial resolution points
    d. Half of the average distance between all points and the target point

Answer 11

c. Half of the distance between two adjacent spatial resolution points

Question 12

12. Which one of the following statements best describes the definition of transducer/sensor?
    a. A transducer is a device which converts a physical variable to voltage
    b. A sensor is a device which converts one type of physical variable to another form of variable
    c. A sensor is a device which converts a physical variable to a digital signal
    d. A transducer is a device which converts one type of physical variable to another usable form

Answer 12

d. A transducer is a device which converts one type of physical variable to another usable form

Question 13

13. In servo operations:
    a. DC motors are preferred
    b. AC motors are preferred
    c. There is no motor type preference
    d. Only electric motors are used

Answer 13

a. DC motors are preferred

Question 14

14. In electric motors the most linearised torque-speed characteristic is achieved by:
    a. DC series motors
    b. DC shunt motors
    c. DC compound motors
    d. Permanent-magnet motor

Answer 14

d. Permanent-magnet motor

Question 15

15. Robot simulation is used to:
    a. Evaluate the dynamic characteristics of a robot used in a workcell
    b. Specifically test the speed of operation of a robot used in a workcell
    c. Specifically determine the positional error of a robot in a workcell
    d. Evaluate the overall operation of a robotic workcell

Answer 15

d. Evaluate the overall operation of a robotic workcell

Question 16

16. Artificial intelligence is specifically used to give the robots the ability to:
    a. Move faster during operations
    b. Perform a higher variety of operations
    c. Make decisions in various situations
    d. Become more efficient in their operation

Answer 16

c. Make decisions in various situations

Question 17

17. Which of the following manufacturing applications is best suited to be performed by the SCARA robot?
    a. Joining operation
    b. Part inspection
    c. Assembly
    d. Painting operation

Answer 17

c. Assembly

Question 18

18. The operation of a stepper motor is based on:
    a. Servo-control system
    b. Closed-loop control system
    c. Open-loop control system
    d. None of the other answers given

Answer 18

c. Open-loop control system

Question 19

19. In asynchronous assembly transfer line:
    a. In-process storage of workpieces are incorporated
    b. Workpieces are transported at the same time
    c. Parallel stations cannot be used due to the nature of the transfer system
    d. None of the other answers given

Answer 19

a. In-process storage of workpieces are incorporated

Question 20

20. In workcells incorporating “Collaborative” robots:
    a. Parts are transferred between at least two robots
    b. Safety guards are used to protect human operators
    c. A collaboration of two or more robots is needed to successfully perform the tasks
    d. Human can safely work alongside the robots

Answer 20

d. Human can safely work alongside the robots