is a CPU in integrated circuit form

executes a program of instructions

measures pressure by sensing deflection of an evacuated chambers.

can measure only atmospheric pressure

can be used to measure gas or liquid flow rates

Practice Automation System Multiple Choice Questions Quiz-3

Q.1

The two types of relays in a PC are:

an output relay and a control relay
a control relay and a retentive relay
a retentive relay and a non-retentive relay
All of the above
None of the above

Q.2

A microprocessor:

is another name for a computer
is a CPU in integrated circuit form
executes a program of instructions
(a) and (c)
None of the above

Q.3

Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?

The contract
The project evaluation
The financial report.
The purchasing report
None of the above

Q.4

Which of the plotters listed below eliminates media size limitations?

Drum
Flatbed
Electrostatic
Pinch roller
None of the above

Q.5

A programmable controller:

can be used on more than one machine during its lifetime.
can be reprogrammed in the field
requires considerable training before it can be used
(a) and (b) above
None of the above

Q.6

A LISP environment consists of a language, a programming environ-ment, and:

random-access storage
a processor
a large address
a set of functions
None of the above

Q.7

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

light pen
digitiser
Direct view storage tube (DVST)
Tablet
None of the above

Q.8

How is the integral mode implemented on a digital controller?

the digital controller cannot handle integral mode
the error is divided into discrete amounts
the error signal is summed over a discrete time interval and accumulated by the controller
All of the above
None of the above

Q.9

Which of the following is not critical in PC CAD software?

Crosshatching
Layering
Drawing/editing
Damping
None of the above

Q.10

In order to combat foreign competition, U.S. companies are:

automating
ignoring the situation
seeking import tariffs
decreasing the salaries
None of the above

Q.11

What Is a process variable?

A manipulated variable
A controlled variable
A process parameter that changes value
All of the above
None of the above

Q.12

Time proportioning control:

can be used on a PM550 programmable process controller
is less efficient than normal PID control
cannot use a TM990 micro¬computer
a and b above.
None of the above

Q.13

Programmable controllers:

are programmed using relay ladder logic
cannot perform functions other than relay logic
are widely used in many different industries
(a) and (c) above
None of the above

Q.14

Which of the following are kinds of instructions?

Input
Arithmetic
Conditional branching
All of the above
None of the above

Q.15

What two disciplines are usually tied by a common data base?

Documentation and geometric modeling
Computer-aided design and computer-aided manufacturing
Testing and analysis
Drafting and documentation
None of the above

Q.16

Which of the following is a graphical output device?

Dot-matrix Printer
Plotter
Laser Printer
Line Printer
None of the above

Q.17

What is the process lag?

The time it takes for the sensor to respond to a changed.
The lag in the error signal when the setpoint is changed.
The time it takes for the mass of the process to respond to an input change.
All of the above
None of the above

Q.18

A display of a volume model that shows all of its edges is called a:

surface model
3-D model
wire-frame
solid model
None of the above

Q.19

A sequence controller:

is difficult to program
is a mechanical only controller
is no longer in widespread use
performs on/off control functions in relation to time.
None of the above

Q.20

Having compatibility and commonality in and between vendors' equipment is called:

registration
standardization
integration
networking
None of the above

Q.21

What two methods are available to build electronic continuous control?

Analog and mechanical
Pneumatic and analog
Analog and digital
All of the above
None of the above

Q.22

If the transient response of a system is overdamped:

the value of the output exceeds the value of the input at times during the transient period.
the value of the output never exceeds the value of the input during the transient period.
the value of the output never stabilizes.
All of the above
None of the above

Q.23

Flexible manufacturing allows for:

factory management
automated design
tool design and tool production
quick and inexpensive product changes
None of the above

Q.24

Three different aspects of colour are used to define specific colours. They are hue, saturation, and:

metamer
value
gray scale
shading
None of the above

Q.25

An aneroid barometer

is very unreliable
can measure only atmospheric pressure
measures pressure by sensing deflection of an evacuated chambers.
can be used to measure gas or liquid flow rates
None of the above

Q.26

Which of the following represents a conditional branching instruction?

BGT LOOPS
GOTO 50
X = 5 + Y
JMP MOTOR
None of the above

Q.27

Resolution in a CRT refers to:

the speed at which the monitor can accept data from the computer
the number of phosphor dots that react when hit by the electron beam
the number of addressable elements on the tube
the number of pixels in each square centimeter
None of the above

Q.28

If the period of a sine wave is 0.001 second, the frequency of the sine wave is:

0.001 Hz
1,000 Hz
10,000 Hz
10 Hz
None of the above

Q.29

A way to transfer programs to a central system is:

by setting bit switches on the central CPU
to copy the program into PROMs and install the PROMs in the system
to develop the program on the actual system only
All of the above
None of the above

Q.30

The device that assembles groups of characters into complete messages prior to their entering the CPU is called:

a compiler
an interpreter
a communications processor
an editor
None of the above