WorksheetsAPLC2
Total questions: 111
Worksheet time: 37mins
Name
Class
Date
1.
A set of rules that sends and receives data between two or more communicating devices is called
a)
communication protocol
b)
Network
c)
Transmitter
d)
Receiver
2.
PPI Stands for
a)
Parallel port interface
b)
prallel point interface
c)
Point to Point Interface
d)
Parallel to parallel interface
3.
MPI Stands for
a)
Multi Port Interface
b)
Multi Point Interface
c)
Multi point Internet
d)
Multi post Internet
4.
PPI adaptor used in PLC Module
a)
S7 200
b)
S7 300
c)
S7 400
d)
S7 1200
5.
MPI adaptor used in PLC Module
a)
S7 200
b)
S7 300
c)
Both S7 200 & S7
300
d)
All Modules
6.
Baud rate is also known as
a)
protocols
b)
modules
c)
Communication
speed
d)
NONE
7.
Baud rate for Ethernet communication protocol
a)
100Mb/s
b)
12Mb/s
c)
5Mb/s
d)
500Kb/s
8.
Network Length for Profibus communication
protocol
a)
15Km
b)
50m
c)
100m
d)
30Km
9.
Number of Nodes for Device Net Communication protocol
a)
8
b)
16
c)
32
d)
64
10.
Network Length for Control Net Communication protocol
a)
15Km
b)
50m
c)
100m
d)
30Km
11.
protocol uses a Master/Slave technique to communicate between devices.
a)
Ethernet/IP and Ethernet TCP/IP
b)
Modbus RTU
c)
Modbus TCP/IP
d)
Profibus and Profinet
12.
Types of PLC Communication Protocols
a)
EtherNet/IP
b)
DirectNet
c)
ControlNet
d)
ALL
13.
IP Stands for
a)
Internet point
b)
Internet Protocol
c)
Interface point
d)
Input
14.
TCP Stands for
a)
Transmission
Control Point
b)
Transister Control
Protocol
c)
Transmission
Control Protocol
d)
Transmission Circuit
Protocol
15.
IEA Stands for
a)
Industrial Electronics
Association
b)
Industrial Ethernet
Association
c)
Internet Ethernet Association
d)
Internet Electronics Association
16.
The communication protocols are dependent upon three fundamental parts
a)
baud rate, network length, and the number of nodes.
b)
speed , protocol
and nodes
c)
Characteristics,
Speed and nodes
d)
Node , Junctions and
Speed
17.
Profibus Stands for
a)
PROcess-FIeld-BUS
b)
Protocol
c)
Internet Bus
d)
Internet Protocol
18.
When Porfibus network operate at speed of 12 megabits per second. What is the cable length used in network.
a)
1000 meters
b)
50 meters
c)
100 meters
d)
500 meters
19.
When Porfibus network speed increases What happends to cable Length
a)
Increase
b)
Decrease
c)
No change
d)
All
20.
The physical interface used for Profinet is a standard Ethernet jack
a)
RJ-46
b)
RJ-48
c)
RJ-45
d)
RJ-47
21.
Types of PLC Communication Protocols
a)
EtherNet/IP
b)
DirectNet
c)
ControlNet
d)
ALL
22.
Baud rate is also known as
a)
protocols
b)
modules
c)
Communication speed
d)
NONE
23.
What is an open serial protocol derived
a)
Ethernet/IP and Ethernet TCP/IP
b)
Modbus RTU
c)
Modbus TCP/IP
d)
Profibus and Profinet
24.
protocol uses a Master/Slave technique to communicate between devices.
a)
Ethernet/IP and Ethernet TCP/IP
b)
Modbus RTU
c)
Modbus TCP/IP
d)
Profibus and Profinet
25.
types of addresses Profinet devices have
a)
IP address
b)
MAC address
c)
Device name
d)
ALL
26.
MPI Stands for
a)
Multi-Point Interface
b)
Mail-Point Interface
c)
Multi-Port Interface
d)
NONE
27.
SRTP Stands for
a)
Service Request Transport Protocol
b)
Same Rest Transport Protocol
c)
Service Request Transport Pole
d)
NONE
28.
Types of PLC Communication Protocol cables
a)
RS-232
b)
RS- 422
c)
RS-485
d)
ALL
29.
Network Length for Profibus communication protocol
a)
15Km
b)
50m
c)
100m
d)
30Km
30.
Number of Nodes for Device Net Communication protocol
a)
8
b)
16
c)
32
d)
64
31.
Network Length for Control Net Communication protocol
a)
15Km
b)
50m
c)
100m
d)
30Km
32.
protocol uses a Master/Slave technique to communicate between devices.
a)
Ethernet/IP and Ethernet TCP/IP
b)
Modbus RTU
c)
Modbus TCP/IP
d)
Profibus and 15
Profinet
33.
Types of PLC Communication Protocols
a)
EtherNet/IP
b)
DirectNet
c)
ControlNet
d)
ALL
34.
IP Stands for
a)
Internet point
b)
Internet Protocol
c)
Interface point
d)
Input
35.
TCP Stands for
a)
Transmission Control Point
b)
Transister Control Protocol
c)
Transmission Control Protocol
d)
Transmission Circuit Protocol
36.
IEA Stands for
a)
Industrial
Electronics
Association
b)
Industrial
Ethernet
Association
c)
Internet Ethernet
Association
d)
Internet
Electronics
Association
37.
The communication protocols are dependent upon three fundamental parts
a)
baud rate, network length, and the number of nodes.
b)
speed , protocol
and nodes
c)
Characteristics,
Speed and nodes
d)
Node , Junctions
and Speed
38.
Profibus Stands for
a)
PROcess-FIeld-
BUS
b)
Protocol
c)
Internet Bus
d)
Internet Protocol
39.
When Porfibus network operate at speed of 12 megabits per second. What is the cable length used in network.
a)
1000 meters
b)
50 meters
c)
100 meters
d)
500 meters
40.
When Porfibus network speed increases What
happends to cable Length
a)
Increase
b)
Decrease
c)
No change
d)
All
41.
The physical interface used for Profinet is a standard
Ethernet jack
a)
RJ-46
b)
RJ-48
c)
RJ-45
d)
RJ-47
42.
Common reasons why PLC control systems fail
a)
module failure
b)
power outages
c)
bad network connections
d)
ALL
43.
the engineer usually determines where the sequence has stopped by interrogating the software to
Mode
a)
On-line
b)
Off line
c)
execution
d)
All
44.
Possible root cause for I/O module and input/output point problems.
a)
Configuration error
b)
Tripped circuit breaker
c)
Loose terminal block
d)
All
45.
Most of the cases the PLC fails due to following factors
a)
Module failure of the input/output (I/O).
b)
Problems with a field device
c)
Problems with the power supply
d)
All
46.
protecting both the PLC and maintenance personnel is very Important
a)
Power supply
b)
Proper Grounding
c)
network connection
d)
Loose connection
47.
EMI stands for
a)
Electromechanic Interference
b)
Electronic Machine interference
c)
Electric Machine interference
d)
Electromagnetic Interference
48.
RFI stands for
a)
Resistor Frequency
interface
b)
Radio filter
interference
c)
Radio frequency
interference
d)
Radio frequency Internet
49.
Source of Electromagnetic Interference
a)
High frequency devices
b)
Power lines
c)
Electric motors
d)
All
50.
Ligitning causes Electrical Noise interference
a)
Electromagnetic interference
b)
short circuit
c)
Tripped circuit breaker
d)
All
51.
The memory of a PLC can become corrupted due to
a)
frequency interference
b)
disruptions of power
c)
sudden loss of power
d)
All
52.
To avoid the possibility of power failure, the majority of today’s industrial facilities have
a)
Preventing power failures
b)
Backup power sources.
c)
Regular check up
d)
Monitoring power system
53.
Identify the redundant power source for Back Up.
a)
UPS
b)
Current source
c)
DC Power Source
d)
AC Power Source
54.
Power failures can cause damage such as & .
a)
Short circuit And overheating
b)
hanging & Shut down
c)
System damage & Data loss
d)
Electronic circuit &damage
55.
On some PLCs, are installed for prolonged power when a blackout hits.
a)
Current source
b)
DC Power Source
c)
AC Power Source
d)
Batteries
56.
To safeguard systems from communication network loss, engineers must the connections between different system parts.
a)
randomly inspect
b)
not at all inspect
c)
rarely inspect
d)
regularly inspect
57.
PLC fails factors
a)
Module failure of the
input/output (I/O).
b)
Problems with a
field device.
c)
Problems with the
power supply.
d)
ALL
58.
EMI
a)
Electromagnetic interference
b)
Electromechanical interference
c)
Electromotive induction
d)
ALL
59.
The memory of a PLC can become corrupted by
a)
frequency
b)
interference
c)
disruptions of
power
d)
ALL
60.
What protecting both the PLC and maintenance personnel.
a)
Power
b)
grounding
c)
plc
d)
ALL
61.
RFI
a)
rasio frequency
interference
b)
radio frequency
interference
c)
radio form
interference
d)
NONE
62.
Common reasons why PLC control systems fail
a)
module failure
b)
power outages
c)
bad network
connections
d)
ALL
63.
the engineer usually determines where the sequence has stopped
by interrogating the software to Mode
a)
On-line
b)
Off line
c)
execution
d)
All
64.
Possible root cause for I/O module and input/output point problems.
a)
Configuration error
b)
Tripped circuit breaker
c)
Loose terminal block
d)
All
65.
Most of the cases the PLC fails due to following factors
a)
Module failure of the input/output (I/O).
b)
Problems with a field device
c)
Problems with the power supply
d)
All
66.
protecting both the PLC and maintenance personnel is very Important
a)
Power supply
b)
Proper Grounding
c)
network
connection
d)
Loose
connection
67.
To avoid the possibility of power failure, the majority of today’s
industrial facilities have
a)
Preventing power failures
b)
Backup power sources.
c)
Regular check up
d)
1M5 onitoring power system
68.
Identify the redundant power source for Back Up.
a)
UPS
b)
Current source
c)
DC Power Source
d)
AC Power Source
69.
Power failures can cause damage such as & .
a)
Short circuit And overheating
b)
hanging & Shut down
c)
System damage & Data loss
d)
Electronic circuit &damage
70.
On some PLCs, are installed for prolonged power when a blackout hits.
a)
Current source
b)
DC Power Source
c)
AC Power Source
d)
Batteries
71.
Most PLC control systems need to communicate with periphery devices such as
a)
Human Machine Interfaces (HMIs)
b)
Motors
c)
Robots
d)
Actuators
72.
A loss of communication between devices will often result in immediate
a)
Failure
b)
Fault
c)
Plant downtime
d)
short circuit
73.
The peripheral Devices and HMI's are connected with one another via cables
a)
Power cables
b)
Ethernet cables
c)
Long cable
d)
Optical cable
74.
To safeguard systems from communication network loss, engineers must
the connections between different system parts.
a)
randomly inspect
b)
not at all inspect
c)
rarely inspect
d)
regularly inspect
75.
A PLC system surrounded by equipment could be at risk of failure if not properly safeguarded.
a)
sound system
b)
Heat emitting
c)
heavy machinaries
d)
instruments
76.
As facilities, should be set to a level that will keep the area around the PLC at a relatively low temperature
a)
The cooling setting
b)
Heat emitting device
c)
heavy machinaries
d)
instruments
77.
As a general rule, all equipment should be maintained at temperatures well below the maximum threshold specified by the
a)
Customer
b)
Dealer
c)
Manufacturer
d)
Engineer
78.
A PLC can when the internal status of code is incompatible with something that occurs on the outside.
a)
Cause power failure
b)
make main system off
c)
send signals
d)
malfunction or fail
79.
In order to reduce the possibility of PLC problems, facility engineers must follow to ensure all parts are properly connected at all ends.
a)
randomly steps
b)
own method
c)
procedural steps
d)
oth1e5r machine steps
80.
is a device or software that is used to communicate with the machines or groups of machines in the plant or production area.
a)
Motors
b)
HMI - HMI (Human Machine Interface)
c)
Genarators
d)
Routers
81.
HMI is a device that can connect with the on a network and gives all the information of process parameters as well as status of inputs and outputs without losing the integrity of PLC security.
a)
PLC
b)
switches
c)
Routers
d)
connectors
82.
can operate and monitor the machine from the HMI.
a)
MANAGER
b)
Customer
c)
An operator or maintenance personnel
d)
Directors
83.
The software allows the engineer to design what the operator will actually see on the screen, what they can monitor on the screen, what “buttons” can be pushed, and how the operator can manipulate the machine.
a)
HMI
b)
PLC
c)
Camera
d)
Robot
84.
HMI is a representation of what’s happening on the
manufacturing floor.
a)
manual
b)
VISUAL
c)
super-imagined
d)
physical
85.
HMI's Have Primary Roles
a)
ONE
b)
TWO
c)
THREE
d)
FOUR
86.
Operator interface Used in applications that require constant feedback and monitoring. HMI's that serve as data handlers come equipped with large capacity memories
a)
Text panels
b)
manual
c)
system supervision1
d)
5data handling
87.
interface works with SCADA (Supervisory Control And Data Acquisition) and MES (Manufacturing Execution System) to display information.
a)
Text panels
b)
manual
c)
system supervision
d)
data handling
88.
Hard wired push buttons and indicator lights were replaced by
, Which had membrane push buttons on them.
a)
Text panels
b)
manual
c)
system supervision
d)
data handling
89.
For applications that require constant feedback from your company's system or printed production reports, the is the perfect HMI.
a)
Text panels
b)
data handler
c)
manual
d)
system supervision
90.
Text panels were replaced by which had good screen resolution and touch screen controls on them
a)
switches
b)
routers
c)
graphical displays
d)
connectors
91.
in SCADA / HMI is very useful to track, monitor, calculate, to diagnose useful process parameters from the past saved trend data.
a)
Trends
b)
switches
c)
routers
d)
connectors
92.
are the graphs that display the values of data in real-time and the graph updates for every instant of time we have specified.
a)
old charts
b)
Real-time Trends
c)
Historical Trends
d)
graphs
93.
are used to display the data in real-time at the same time the old data can be retrieved and viewed on the run time.
a)
old charts
b)
Real-time Trends
c)
Historical Trends 15
d)
graphs
94.
In HMI wiring while connecting the Power supply Ensure
correct
a)
polarity
b)
non polarity
c)
bi-polarity
d)
uni-
polarity
95.
In HMI wiring while Connecting a programming device to a Basic Panel DP the HMI device.
a)
restarts
b)
Shut down
c)
close the software
d)
switch on
96.
are used to connect the configuration PC
a)
Power cables
b)
optical cables
c)
CAT5 Ethernet cable
d)
fibre cables
97.
Which communication protocol is compatible to connect HMI & PLC
a)
Modbus
b)
Ethernet/IP
c)
Profibus
d)
All
98.
KPT700 Basic SIMATIC Basic panel
a)
7 Inch Display
b)
6 Inch Display
c)
8 Inch Display
d)
5 Inch
Display
99.
The standard form of MMI is
a)
Main Machine
Interface
b)
Master Machine Interface
c)
Man Machine
Interface
d)
None of
the above
100.
is one type of human machine interface
a)
Monochrome or coloured
b)
Screens with keypad or touch screens
c)
Both a and b
d)
None of the above
101.
The human machine interface information like
a)
Temperature,
pressure
b)
Running time,
material counts
c)
The process
steps
d)
All
102.
The human machine interface can be used to monitor and control various locations such as
a)
Engine assembly, vehicle assembly
b)
Machine shops
c)
15
Paint shops
d)
All
103.
HMI is very useful to track, monitor, calculate, to diagnose
useful process parameters from the past saved
a)
Trending data
b)
HMI
c)
Alarms
d)
All
104.
An HMI can allow plant operators to locate a malfunction in the equipment by viewing
a)
Alarms
b)
digital screen
c)
Messages
d)
System
105.
data saving feature is a advantage of
a)
HMI
b)
PLC
c)
Profibus
d)
Network
106.
can reduce operating costs by replacing hundreds of
selectors, pushbuttons, indicator lights and more
a)
human machine
interface
b)
PLC
c)
Automation
d)
switch
107.
Advantages of HMI
a)
Cost Reduction
b)
Data saving
c)
Alarms/Warnin
gs
d)
All
108.
Applications of HMI
a)
Automotive
b)
Energy
c)
Food and Beverage
d)
All
109.
Applications of HMI
a)
Manufacturing
b)
Military and Aerospace
c)
Medical
d)
All
110.
Applications of HMI
a)
Recycling
b)
Power
c)
Oil and Gas
d)
All
111.
Applications of HMI
a)
Robotics
b)
Water and Wastewater
c)
Manufacturing 1
d)
5All
100 %
