Computer Science - Automation System MCQs Part 3

1. A process controller:

A.
can interface to digital and analog I/O

B.
is useful in a continuous process control application

C.
can solve a PID process control equation easily

D.
All of the above

E.
None of the above

 Answer Option D

2. Compared to an open-loop system, a closed-loop control system is:

A.
more accurate

B.
more complex

C.
more stable

D.
All of the above

E.
None of the above

 Answer Option D

3. Automation means:

A.
assisting or replacing humans with machines.

B.
workers controlling machines.

C.
increased productivity.

D.
All of the above

E.
None of the above

 Answer Option D

4. The "snap" command feature in both AutoCAD and VersaCAD ensure that:

A.
template lines can be removed

B.
objects are entered at specific intervals.

C.
identified data are automatically segmented

D.
definable center markers are entered.

E.
None of the above

 Answer Option B

5. An intelligent robot can:

A.
make decisions

B.
handle only small payloads

C.
walk

D.
speak

E.
None of the above

 Answer Option A

6. What is proportional control?

A. It has a discrete output for each error value

B. The controller output varies continuously over a range

C. The gain is independent of offset error.

D. All of the above

E. None of the above

 Answer Option B

7. The real "brain" of an artificial intelligence system is referred to as:

A. bubble memory

B. the expert system

C. recursive technology

D. natural language interfaces

E. None of the above

 Answer Option B

8. Analog and digital controllers:

A. cost the same to build

B. accept the same input signals

C. can be changed with equal case

D. All of the above

E. None of the above

 Answer Option E

9. Robot motion:

A. is the same for all robots

B. usually imitates human motion

C. is not dependent on the robot structure

D. All of the above

E. None of the above

 Answer Option B

10. The digitizing technology that uses an electric field radiated from the tablet and picked up by a cursor is:

A. electromagnetic

B. raster

C. sonic

D. electrostic

E. None of the above

 Answer Option D

11. Advantages of robots include:

A. increased productivity

B. ability to withstand hazardous environments

C. good return on investment and better company image

D. All of the above

E. None of the above

 Answer Option D

12. Light sensors:

A. cannot be used a s limit switches.

B. come in a wide variety of mounting styles

C. work in direct sunlight

D. never use infrared light as light source

E. None of the above

 Answer Option B

13. Stepping motors:

A. can run at varying speeds

B. can be built to index different amounts by changing the pole configuration

C. can run both clockwise and counterclockwise

D. do not require commutators

E. All of the above

 Answer Option E

14. Most continuous control actuators:

A. are of the time proportioning type

B. use a 4 to 20 mA current loop input

C. are used with standard continuous control loop

D. (b) and (c) above

E. None of the above

 Answer Option D

15. Group technology brings together and organizes:

A. automation and tool production

B. parts and simulation analysis

C. documentation and analysis

D. common parts, problems, and tasks

E. None of the above

 Answer Option D

16. A venturi tube:

A. is extremely difficult to use

B. is made only of metal

C. measures the presence of a liquid

D. can be used to measure gas or liquid flow rates

E. None of the above

 Answer Option D

17. The APT (automatically progra¬mmed tools) language is used with:

A. large automation systems

B. drafting systems

C. programmable controllers

D. numerical controlled machines.

E. None of the above

 Answer Option D

18. The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the:

A. finance manager

B. president

C. marketing manager

D. MIS manager

E. None of the above

 Answer Option D

19. Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

A. logic

B. software

C. NC tape programming

D. computer graphics workstation

E. None of the above

 Answer Option A

20. The Ziegler-Nichols method:

A. is a graphical solution method

B. can be used to determine gain factors of a PI loop

C. is a method of control

D. a and b above

E. None of the above

 Answer Option D

21. A Hall effect switch is usually used to:

A. , measure voltage

B. measure temperature

C. sense a vacuum

D. sense the presence of a magnetic object.

E. None of the above

 Answer Option D

22. The hardware device Jhat acts as both a switching and connecting unit is called a(n):

A. concentrator

B. RS-232C port

C. multiplexer

D. communications processor

E. None of the above

 Answer Option C

23. The addition of _____ can reduce processing time.

A. A buffer

B. An EPROM

C. A converter

D. A co-processor

E. None of the above

 Answer Option D

24. Which of the following method is used the results of a design analysis as a base for redesign decisions?

A. The iterative design method

B. The direct method

C. The design selection method

D. All of the above

E. None of the above

 Answer Option A

25. What kind of capability is required if one plans to interface with a plotter or printer?

A. A graphics cable

B. RGB monitor

C. A graphics board

D. A co-processor

E. None of the above

 Answer Option C

26. Robots can increase productivity because:

A. they do not take a vacation

B. they do not get tired

C. production quality is uniform

D. All of the above

E. None of the above

 Answer Option D

27. Which CAD display configurability allows work without any host support?

A. Highly intelligent

B. Medium intelligence

C. Low intelligence

D. One with no secondary storage capacity.

E. None of the above

 Answer Option A

28. The rectangular boundary around a specific area on the display is called

A. a window

B. a conic section

C. a view point

D. a view plane

E. None of the above

 Answer Option A

29. In the PROLOG language system, facts are manipulated by:

A. algorithms

B. rules

C. memory

D. simulations

E. None of the above

 Answer Option B

30. A favourable reason for automation is to:

A. decrease throughput

B. raises assembly cost

C. perform difficult operations

D. increase number of operations

E. None of the above

 Answer Option C

31. Which method uses the design analysis as a method for effecting the design?

A. The iterative design method

B. The direct method

C. The design selection method

D. All of the above

E. None of the above

 Answer Option B

32. The main activity(ies) of Designer in CAD is/are:

A. Control of the design process in information distribution.

B. Application of creativity, ingenuity, and experience.

C. Organisation of design information

D. All of the above

E. None of the above

 Answer Option D

33. The three different types of pen plotter technology are flatbed, drum, and:

A. electrostatic

B. thermal

C. pinch roller

D. impact

E. None of the above

 Answer Option C

34. High-level languages:

A. are "procedure-oriented"

B. are very difficult to use

C. cannot be used with automatic systems.

D. require knowledge of the computer design

E. None of the above

 Answer Option A

35. The heart of automation technology is.

A. robots

B. computers

C. control

D. sensors

E. None of the above

 Answer Option B

36. A dc servo motor:

A. uses a tachometer for speed feedback

B. uses a variable dc voltage for speed control

C. can provide precise position control

D. All of the above

E. None of the above

 Answer Option D

37. Plotter accuracy is measured in terms of repeatability and:

A. intelligence

B. vertical dimension

C. resolution

D. buffer size

E. None of the above

 Answer Option C

38. The basic difference between broadband and baseband is:

A. availability

B. capacity

C. reliability

D. transmission

E. None of the above

 Answer Option B

39. The power source that drives the manipulator can be:

A. pneumatic

B. electric

C. hydraulic

D. All of the above

E. None of the above

 Answer Option D

40. Which of the following devices would be classified as a robot by the Robot Institute of America?

A. Automobile

B. Pick-and-place manipulator

C. Artificial hand

D. All of the above

E. None of the above

 Answer Option B

41. An operating system:

A. can help reduce software development time

B. provides ability for other programmers to understand the software structure

C. is useless in most control applications

D. All of the above

E. None of the above

 Answer Option A

42. A programmable controller:

A. can be used on more than one machine during its lifetime.

B. can be reprogrammed in the field

C. requires considerable training before it can be used

D. (a) and (b) above

E. None of the above

 Answer Option D

43. A LISP environment consists of a language, a programming environ¬ment, and:

A. random-access storage

B. a processor

C. a large address

D. a set of functions

E. None of the above

 Answer Option D

44. What Is a process variable?

A. A manipulated variable

B. A controlled variable

C. A process parameter that changes value

D. All of the above

E. None of the above

 Answer Option D

45. Time proportioning control:

A. can be used on a PM550 programmable process controller

B. is less efficient than normal PID control

C. cannot use a TM990 micro¬computer

D. a and b above.

E. None of the above

 Answer Option A

46. What is the process lag?

A. The time it takes for the sensor to respond to a changed.

B. The lag in the error signal when the setpoint is changed.

C. The time it takes for the mass of the process to respond to an input change.

D. All of the above

E. None of the above

 Answer Option C

47. If the present value in a timer in the TI510 is 8, how many milliseconds is required from the time the timer is started until the output is enabled?

A. 18.0

B. 133.36

C. 149.88

D. 1275.41

E. None of the above

 Answer Option B

48. The two types of relays in a PC are:

A. an output relay and a control relay

B. a control relay and a retentive relay

C. a retentive relay and a non-retentive relay

D. All of the above

E. None of the above

 Answer Option A

49. A common way to take x, y coordinates off a drawing is to use a

A. light pen

B. digitiser

C. Direct view storage tube (DVST)

D. Tablet

E. None of the above

 Answer Option B