will be used in more applications as the technology matures.

will never be used in industrial controls

is already widely used in industrial controls

contains the address of the next instruction to be executed

counts the number of instructions that have been executed

is where arithmetic is done in a computer.

are assigned values of 1 or 0 depending on the voltage level

have a frequency measured in units of hertz

can improve control system response

is used only in financial planning

requires a very expensive system to implement

defines the form of the instruction

Practice Automation System Multiple Choice Questions Quiz-5

Q.1

In raster-scan colour monitors, colour can be intensified by:

grouping the phosphor dots in a circular pattern
having each electron gun controlled by a composite signal
using an in-line gun arrangement with a solid metal mesh
having each electron gun controlled by separate signal
None of the above

Q.2

Timing using a TM990 micro-computer:

require an external timer added by the user
is available on the standard CPU board
can be handled in software
both (b) and (c)
None of the above.

Q.3

The first industrial robot for commercial uses was installed in a Japanese plant at Toyota Automatic Loom Company, the parent company of the Toyota Automobile Group. When did this robot go into operation?

Jun-65
Nov-66
Dec-67
Apr-70
None of the above

Q.4

A discrete parts process is:

the same as a continuous process except a different controller must be used
often encountered in manufacturing
normally a repetitive series of operations
(b) and (c)
None of the above

Q.5

Speech recognition:

will never be used in industrial controls
is already widely used in industrial controls
will be used in more applications as the technology matures.
All of the above
None of the above

Q.6

What is the difference between integral and derivative control?

derivative control does not eliminate offset error
integral control has slower response to an error signal.
derivative control responds to a change in the rate of change in the error signal
All of the above
None of the above

Q.7

The program counter:

decides which program to run
counts the number of instructions that have been executed
contains the address of the next instruction to be executed
is where arithmetic is done in a computer.
None of the above

Q.8

Digital signals:

can have three possible levels
are assigned values of 1 or 0 depending on the voltage level
have a sinusoidal shape.
have a frequency measured in units of hertz
None of the above

Q.9

There are several procedures you can implement to provide maximum security. The most important of these is:

do not leave training manuals unsecured
run regular simulated tests using TARP (testing of Applications Recovery Planes)
Verify the reputation of the people installing your system
do not allow unbonded service people to work on your equipment
None of the above

Q.10

Semiconductor devices:

are less reliable than electro¬mechanical components
usually have a very short MTBF (mean time between failure)
have a very short infant mortality period
All of the above
None of the above

Q.11

Flat panel displays are based on what type of technology?

Direct view storage tube
Very large-scale integration (VLSI)
Solid state
RGB monitor
None of the above

Q.12

Which of the following is a graphical input device?

light pen
keyboard
mouse
Track ball
None of the above

Q.13

A drum timer is a good example of:

an output actuator
an input sensor
a position sensor
a sequence controller
None of the above

Q.14

The formula for memory capacity is:

MC = N/2
MC = 2/N
MC = N squared.
MC -2 to the Nth power
None of the above

Q.15

How is the integral mode implemented using analog methods?

Op amp and resistors
Op amp and a capacitor
Op amp and an RC network to place the error voltage across the capacitor
All of the above
None of the above

Q.16

Today, programmable controllers:

are more powerful then the first controllers on the market
are relatively low cost compared with the original digital equipment available for industrial control
can be cost effective even when replacing just a few relays
All of the above
None of the above

Q.17

Productivity is defined as:

number of items manufactured per day
output per man-hour of labour
cost per day
cost per unit
None of the above

Q.18

The general type of process found in industry is:

discrete parts
continuous
batch
All of the above
None of the above

Q.19

Automation normally means:

a net loss of jobs.
a net increase in jobs.
no change in jobs.
All of the above
None of the above

Q.20

Trend analysis:

is used only in financial planning
can improve control system response
requires a very expensive system to implement
is a brand new concept
None of the above

Q.21

The main function(s) of computer in CAD is/are

To serve as an extension to the memory of the designer
To enhance the analytical and logical power of the designer
To relieve the designer from routine repetitious tasks.
All of the above
None of the above

Q.22

The use of specialized workstations:

provides limited growth potentials for 3-D
reduces the host computer workload and allows more users
reduces the host computer workload
has a high cost-performance tradeoff
None of the above

Q.23

What key hardware item ties a CAD/ CAM system together?

Mouse
Graphics workstation
Digitizer
Plotter
None of the above

Q.24

Which of these controller types is the most accurate?

Proportional plus integral
Proportional
Proportional plus derivative
Three mode
None of the above

Q.25

A program language:

defines the form of the instruction
is always machine dependent
is never machine dependent
All of the above
None of the above

Q.26

Which of the following symbol modes are used to input of graphics to General CAD system?

Live and Rectangle mode
Arc and Circle mode
Dimension and Alphanumeric mode
All of the above
None of the above

Q.27

Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

Solid modeling
Wire-frame modeling
Surface modeling
FEM (Finite Element Modeling)
None of the above

Q.28

Computer-based controllers:

should be built in a modular fashion wherever possible
are very difficult to change
are very flexible
(a) and (c) above
None of the above

Q.29

Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

Direct view storage tube
Raster scan CRT
Refresh-vector CRT
Stroke CRT
None of the above

Q.30

The power source that drives the manipulator can be:

pneumatic
electric
hydraulic
All of the above
None of the above