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WorksheetsAUTOMATION AND DIGITAL MANUFACTURING
Total questions: 144
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
PLC Stands for
a)
Programmable Logic Controller
b)
Programmable Logic Circuit
c)
Programmable Logic Computer
d)
Programmable Level Controller
2.
PLC parts are mounted on
a)
RACK & CHASIS
b)
Isolation Stages
c)
Program Monitor
d)
OPTO isolators
3.
The abbreviations NO and NC represents the electrical state of switch contacts when_______________.
a)
Power is applied
b)
Power is not applied
c)
The switch is actuated
d)
The switch is not actuated
4.
NC push button connected in hardware & NC contact in software then the coil connected to the NC contact will be ___________.
a)
ON
b)
OFF
c)
Short
d)
Toggle
5.
A limit switch is usually actuated by_________.
a)
Hand
b)
Pressure
c)
Contact with an object
d)
An electromagnet
6.
A thermocouple ,when heated _______.
a)
Produces a small dc voltage
b)
Increases its resistance value
c)
Produces a small AC voltage
d)
Decreases its resistance value
7.
PLC uses _____ Design .
a)
Assembly
b)
Command
c)
Manufacturing
d)
None of the above
8.
__________ is used to communicate with PLC .
a)
Analog Module
b)
Input Module
c)
Program Monitor
d)
Debugger
9.
PLC has replaced.
a)
electronic circuit
b)
relay logic
c)
computer
d)
none
10.
Disadvantage of PLC is .
a)
security
b)
too many contacts
c)
pilot running
d)
fixed program application
11.
In PLC the user program is stored in .
a)
ROM
b)
RAM
c)
EPROM
d)
EEPROM
12.
Input modules provide an interface between.
a)
Input modules and the CPU
b)
Inputs and the CPU
c)
Output modules and field devices
d)
The CPU and output modules
13.
The programming device must be connected to the controller.
a)
At all times
b)
When entering a programme
c)
When monitoring a programme
d)
both b&c
14.
Electrical isolation is provided so that there is no physical electrical connection between the CPU and output field devices. This isolation is usually accomplished by.
a)
power supply
b)
rectifier
c)
output module
d)
holding register
15.
In PLC the user program is stored in .
a)
ROM
b)
RAM
c)
EPROM
d)
EEPROM
16.
Digital I/O modules operate on.
a)
24V AC supply
b)
24V DC supply
c)
5V AC supply
d)
12V AC supply
17.
EXAMPLE OF I/P MODULE
a)
PUSH BUTTON
b)
RELAY COIL
c)
MOTOR
d)
BOTH A & B
18.
EXAMPLES OF OUTPUT MODULE.
a)
PILOT LIGHT
b)
LED
c)
LCD
d)
NONE
19.
The logical OR function is similar to.
a)
In parallel
b)
In series
c)
inverted logic
d)
both (A) &(c)
20.
If two NC contacts are connected in series that satisfies _______Gate logic.
a)
AND
b)
NAND
c)
OR
d)
NOR
21.
_________contact can be used to satisfy NOT gate condition.
a)
NC
b)
NO
c)
BOTH NO AND NC
d)
NONE OF THE ABOVE
22.
If two NO contacts are connected in series that satisfies _______Gate logic.
a)
AND
b)
NAND
c)
OR
d)
NOR
23.
If two NC contacts are connected in parallel that satisfies _______Gate logic.
a)
AND
b)
NAND
c)
OR
d)
NOR
24.
CPU CONISISTS OF ______________ .
a)
MICROPROCESSOR
b)
MEMORY
c)
POWER SUPPLY
d)
ALL THE ABOVE
25.
AND GATE,INPUTS ARE HIGH, OUTPUT IS.
a)
LOW
b)
HIGH
c)
NONE OF THE ABOVE
d)
ALL
26.
OR GATE,IF ANY OF THE INPUTS ARE HIGH,OUPUT IS.
a)
LOW
b)
HIGH
c)
BOTH
d)
NONE
27.
How many registers PLC does have?
a)
3
b)
2
c)
1
d)
NONE OF THE ABOVE
28.
Types of TIMER are
a)
TON Timer
b)
TOFF Timer
c)
BOTH
d)
NONE
29.
A timer that initiates an action at a specified time after enable input is made high.
a)
ON delay timer
b)
OFF delay timer
c)
Retentive timer
d)
none of the above
30.
A timer that initiates an action at a specified time after enable input is made low.
a)
on delay timer
b)
off delay timer
c)
retentive timer
d)
none of the above
31.
A single input timer is called
a)
retentive timer
b)
non retentive timer
c)
none of the above
d)
all of the above
32.
HSC stands for.
a)
High Sequence Counter
b)
High standard Counter
c)
High Speed Counter
d)
none
33.
Types of counter are
a)
UP Counter
b)
DOWN Counter
c)
UO-DOWN Counter
d)
all of the above
34.
A counters input signal can come from an external device, such as a limit switch or sensor, or from.
a)
timer
b)
RTD
c)
LVDT
d)
stepper motor
35.
proximity switch can be actuated.
a)
Without any physical contact
b)
By a change in flight intensity
c)
By a change in capacitance
d)
By all of the above
36.
___________is a device or software that is used to communicate with the machines or groups of machines in the plant or production area.
a)
HMI
b)
scada
c)
MMI
d)
None of the above
37.
LOI stands for ___________
a)
line of action
b)
letter of intent
c)
Local Operator Interface
d)
lack of information
38.
HMI directly connect the human with the ___________
a)
computer
b)
MMI
c)
machine
d)
object
39.
OIT stands for _____________
a)
Office of information technology
b)
Operator Interface Terminal
c)
outsourced information technology
d)
None of the above
40.
the ___________ has all the necessary tools to control the process.
a)
operator
b)
receiver
c)
transmitter
d)
all of the above
41.
HMIs capture data from a system such as ___________
a)
Data Handling
b)
Alarm handling
c)
both
d)
none
42.
The __________ includes functions like data trending, alarm handling, data logging and recipes.
a)
data handler
b)
trend
c)
Alarm handler
d)
IOT
43.
Trends in SCADA / HMI is very useful to ____________ to diagnose useful process parameters from the past saved trend data.
a)
track
b)
monitor
c)
calculate
d)
all of the above
44.
a record of all the process data in the form of a graph is called as ___________
a)
trend
b)
track
c)
scada
d)
HMI
45.
___________ 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)
Real-time Trends
b)
Historical Trends
c)
all of the above
d)
None of the above
46.
____________ 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)
Historical Trends
b)
Real-time Trends
c)
all of the above
d)
None of the above
47.
HMI and ________ need to be compatible.
a)
SCADA
b)
PLC
c)
track
d)
MTU
48.
Once the PLC and the HMI are __________ then whatever is programmed into the HMI can be used to monitor and control PLC functions.
a)
talking
b)
operating
c)
listening
d)
reading
49.
A _________ is a set of rules for communication among networked devices.
a)
talking
b)
Data saving
c)
Both a. & b.
d)
protocol
50.
Advantages of HMI ____________
a)
Internet of things
b)
Data saving
c)
high cost
d)
Both a. & b.
51.
In data translation, the operator would be able to see the ____________ of the system and it can be controlled.
a)
trend
b)
graphical representation
c)
Supervisory Control and Data Acquisition
d)
downtime
52.
IOT can be considered as the ____________
a)
collection of the devices
b)
output
c)
SCADA
d)
HMI
53.
A human machine interface can ____________ operating costs by replacing hundreds of selectors, pushbuttons, indicator lights and more
a)
increase
b)
reduce
c)
remain same
d)
NONE OF THE ABOVE
54.
SCADA stands for__________
a)
software disk array
b)
space development agency
c)
spicetree design agency
d)
Supervisory Control and Data Acquisition
55.
The SCADA system helps in managing the communication of system issues to mitigate ____________
a)
downtime
b)
uptime
c)
total time
d)
network interfaces
56.
This central control system consist of communication equipment, ______________
a)
network interfaces
b)
input/ output devices
c)
software.
d)
all of the above
57.
SCADA is a system of hardware and ___________ elements that facilitate process control.
a)
architecture
b)
software
c)
input/ output devices
d)
network interfaces
58.
__________ is working on collecting data and information via distributed devices like (remote terminal unit) RTU, PLC
a)
HMI
b)
RTU
c)
SCADA
d)
MTU
59.
SCADA send control actions to the process depending on the _______________
a)
architecture
b)
I/O control signals
c)
MTU
d)
information.
60.
The independent PLCs and RTUs in a SCADA system perform ____________ on field devices while being supervised by a SCADA/HMI software package on a master computer.
a)
HMI
b)
I/O control signals
c)
information.
d)
Remote terminal unit
61.
RTU stands for______________
a)
real time unit
b)
return time unit
c)
Remote terminal unit
d)
NONE OF THE ABOVE
62.
The __________ can monitor and control the field devices even when the operator in not present by means scheduler programed
a)
MTU
b)
RTUs
c)
SDH/ SONET
d)
optocoupler
63.
___________ are used to transmit the recorded data toward the supervisory system.
a)
transmitter
b)
signals
c)
trends
d)
RTUs
64.
_____________ can also be used for larger systems like railways and power stations.
a)
SDH/ SONET
b)
Program Monitor
c)
optocoupler
d)
computers
65.
___________convert the parameters from the physical form to electrical form as continuous (analog) or discrete (digital) signals readable by the remote station equipment (RTUs or PLCs).
a)
Field Instruments
b)
Master Terminal Unit
c)
SCADA
d)
Industries
66.
MTU stands for __________
a)
Maximum transmission unit
b)
Master Terminal Unit
c)
mobile terminated unit
d)
mounted terminal
67.
In Architecture of SCADA ___________ is the Control Level which includes the control devices like PLC, PC.
a)
Leval 5
b)
Leval 1
c)
Level 2
d)
Level 1
68.
_______________ were used in the earlier Supervisory Control and Data Acquisition systems
a)
Minicomputers
b)
optocoupler
c)
microcontroller
d)
microprocessor
69.
The Early or Monolithic SCADA Systems is also known as _____________
a)
third Generation
b)
second Generation
c)
First Generation
d)
Fourth Generation
70.
____________ processing and real-time data were shared to perform control operations.
a)
text
b)
Command
c)
trend
d)
graph
71.
Internet of Things SCADA Systems is also known as ___________
a)
third Generation
b)
first Generation
c)
second Generation
d)
Fourth Generation
72.
Fiber optic connections or ____________ is used for data transmission between the nodes.
a)
HMI
b)
Ethernet
c)
profibus
d)
profinet
73.
full form of wan is ____________
a)
Wide area network
b)
west australia newspapers
c)
wide area news
d)
none of the above
74.
___________Used to control HVAC, central air conditioning, lighting, entry/ exit gates, etc.
a)
Oil and Gas
b)
Industries and Buildings
c)
Water and sewage treatment
d)
Manufacturing & Processing
75.
____________Used for managing inventories for controlling over manufacturing/ stocking.
a)
Water and sewage treatment
b)
Oil and Gas
c)
Manufacturing & Processing
d)
Industries and Buildings
76.
____________Used for regulating subway electricity, automating traffic signals/ railway crossing and live tracking of flights/ trains/ buses.
a)
Public Transport
b)
Manipulator
c)
HMI
d)
SCADA
77.
_________ used to monitor and control the distributed equipment used like filters and valves
a)
Industries and Buildings
b)
Water and sewage treatment
c)
Manufacturing & Processing
d)
Oil and Gas
78.
__________ are mainly used to monitor a wide data variety like currents, voltages, temperature, pressure, water levels
a)
HMI
b)
RTU
c)
MTU
d)
SCADA
79.
A robot is a machine designed to execute one or more tasks ____________ with speed and precision
a)
Manually
b)
automatically
c)
both a and b
d)
all the above
80.
____________ have replaced humans in performing repetitive and dangerous tasks
a)
HMI
b)
SCADA
c)
Robots
d)
operators
81.
advantages of robots are ___________
a)
Consistency
b)
Flexibility
c)
Increased Output
d)
all the above
82.
robot produce more __________ and high quality work
a)
precise
b)
products
c)
accurate
d)
error
83.
Robots were required to perform according to three principles known as _________________
a)
Three laws of Robotics
b)
robotic principle
c)
issac's principle
d)
none of the above
84.
A Robot must protect its own existence unless that conflicts with the ______________
a)
First law
b)
First or Second Law.
c)
Third law
d)
both a and b
85.
A Robot must obey orders given by _____________ except when that conflicts with the First Law.
a)
Program Monitor
b)
Public Transport
c)
humans
d)
Robotic arm
86.
A Robot should not injure a human being or, through _____________ , allow a human to be harmed.
a)
inaction
b)
Inspections
c)
Operating Range.
d)
work space
87.
The payload is the _____________ load that a robot can carry in its work.
a)
stable
b)
unstable
c)
minimum
d)
maximum
88.
The number of independent movements that an object can perform in a 3-D space is called the number of _____________
a)
Wrist Configuration
b)
Degrees of freedom (DOF).
c)
Prismatic Joint
d)
Revolute Joint
89.
The maximum distance the robot needs to reach is called ______________
a)
work station
b)
configuration
c)
Operating Range.
d)
work space
90.
Repeated Positioning Accuracy is Generally between ____________
a)
+0.02mm and -0.03mm
b)
±0.05mm and ±0.02mm
c)
±0.20mm and ±0.40mm
d)
±1.00mm and ±4.02mm
91.
To ensure an accurate and ____________ position in the work area, you need a sufficient number of brakes
a)
standard
b)
repeatable
c)
same
d)
different
92.
The stable platform to which an industrial robotic arm is attached is called __________
a)
Grippers
b)
Manipulator
c)
Base
d)
joints
93.
A ______________ is a part linked as same as human arm, mounted on the Base
a)
robot arm
b)
Manipulator
c)
link
d)
Grippers
94.
The wrist is the part of a robot that connects Arm with ___________ or Tool
a)
base
b)
End effector
c)
Grippers
d)
joint
95.
A rigid link that can be connected, at most, with two other links is referred to as a ____________
a)
secondary link
b)
ternary link
c)
binary link
d)
all the above
96.
how many joints are there _______
a)
2
b)
5
c)
3
d)
6
97.
Two links are connected together by a ____________
a)
Manipulator
b)
joint
c)
Grippers
d)
link
98.
A _________ body free in space has six degrees of freedom - three for translation (T1, T2, T3), and three for rotations (R1, R2, R3).
a)
rigid
b)
Soft
c)
plane
d)
none
99.
The purpose of the arm is to position of the arm is to ___________ the wrist in the 3-D space
a)
Measure
b)
distance
c)
position
d)
link
100.
cartesian configuration is also known as____________
a)
cylindrical
b)
rectangular configuration
c)
circular
d)
none of the above
101.
The ____________ configuration uses two perpendicular prismatic joints and a revolute joint
a)
rectangular
b)
circular
c)
helical
d)
cylindrical
102.
____________ is the part of a manipulator attached to the end-effector to perform the task properly,
a)
Manipulator
b)
arm
c)
Wrist
d)
Grippers
103.
The motion in a plane perpendicular to the end of the arm is called ____________
a)
Yaw
b)
Roll
c)
Pitch
104.
The motion in a horizontal plane that also passes through the arm is called ____________
a)
Pitch
b)
slide
c)
Roll
d)
Yaw
105.
motion in vertical plane passing through the arm is called _____________
a)
Pitch
b)
Roll
c)
Yaw
106.
______________ is sometimes referred to as the robot’s “hand”.
a)
arm
b)
Wrist
c)
manipulator
d)
End effector
107.
____________ are end effectors used to grasp and hold objects
a)
Manipulator
b)
Grippers
c)
Pneumatic
d)
hydraulic
108.
A robot requires either ___________ drive system to create the input power
a)
Hydraulic
b)
electric
c)
Pneumatic
d)
all the above
109.
how many types of magnetic gripper are there______
a)
2
b)
3
c)
5
d)
7
110.
Vacuum cups, also called ____________
a)
Pneumatic
b)
suction cups
c)
robot arm
d)
Manipulator
111.
The _____________ magnets do not require any sort of external power as like the electromagnets for handling the materials.
a)
temporary
b)
electromagnet
c)
permanent
d)
electromechanial
112.
Merits of robot are _________________
a)
Better weld quality
b)
Precise positioning of welds
c)
Saving of manpower
d)
all the above
113.
____________ was the first task for which robots were integrated into production systems.
a)
painting
b)
Die casting
c)
Drilling
d)
Welding
114.
____________ painting robots can provide exceptional part accessibility.
a)
Pneumatic
b)
Assembly
c)
Industrial
d)
software
115.
____________ are usually performed by human beings on sample basis rather than 100%, because of slow, tedious and boring work involved.
a)
Program Monitor
b)
Inspections
c)
Public Transport
d)
none of the above
116.
Pressing operations are carried out in many types of plants such as _____________ of jet aircraft.
a)
forming of blades
b)
Better weld quality
c)
Saving of manpower
d)
Welding
117.
The concept of connecting any device “thing” to the Internet
a)
Internet of Things
b)
Information of Things
c)
Innovative of Things
d)
none of the bove
118.
A wireless network device that acts as a portal for devices to connect to a local area Network.
a)
Access point
b)
Actuator
c)
Device
d)
Gateway
119.
A unit of physical hardware or equipment that provides one or more computing Functions within a system.
a)
Access point
b)
Actuator
c)
Device
d)
Gateway
120.
A hardware device that connects other data-transmitting devices to a central station.
a)
Access point
b)
Actuator
c)
Device
d)
Hub
121.
Collecting data from the Environment and transmit the information to the next layer
a)
Smart devices and sensors
b)
Gateway
c)
Cloud Computing
d)
User interface
122.
To translate different network protocols and make sure interoperability of the connected devices and sensors.
a)
Smart devices and sensors
b)
Gateway
c)
Cloud Computing
d)
User interface
123.
The tools is used to collect, process, manage and store huge amount of data in real time
a)
Smart devices and sensors
b)
Gateway
c)
Cloud Computing
d)
User interface
124.
The process of converting analog data from billions of smart devices and sensors into useful insights.
a)
Smart devices and sensors
b)
Gateway
c)
Cloud Computing
d)
Analytics
125.
The visible, tangible part of the IoT system which can be accessible by users
a)
Smart devices and sensors
b)
Gateway
c)
Cloud Computing
d)
User interface
126.
The first stages of Architecture IOT is
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
127.
The Second stages of Architecture IOT is
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
128.
The Third stages of Architecture IOT is
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
129.
The Fourth stages of Architecture IOT is
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
130.
The information it senses into a set of data which we can process further for analysis.
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
131.
The information collected from the previous stage and compress it to the optimal size for further analysis.
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
132.
It performs enhanced analytics here along with pre-processing. Particularly, machine learning and visual representation
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
133.
This stage requires skilled analytics IT professionals along with high-end applications
a)
Internet gateways and Data Acquisition Systems
b)
Sensors and Actuators
c)
Data Centre and Cloud
d)
Edge IT Data Processing
134.
The purpose of Industrial Internet of Things is
a)
Improved accuracy
b)
Product and process optimization
c)
Cost effectiveness
d)
All the above
135.
What are application of Industrial Internet of Things is
a)
Industrial Automation
b)
Smart Logistics Management
c)
Autonomous vehicles
d)
All the above
136.
IIOT stands for
a)
Industrial Internet of Things
b)
Industrial Information of Things
c)
Industrial Innovative of Things
d)
none of the bove
137.
Introduction of mechanical production with help of water and stream power is
a)
Industry 1.0
b)
Industry 2.0
c)
Industry 3.0
d)
Industry 4.0
138.
Introduction of mass production with the help of electrical energy is
a)
Industry 1.0
b)
Industry 2.0
c)
Industry 3.0
d)
Industry 4.0
139.
Industry came in with the advent of computers and the beginning of automation
a)
Industry 1.0
b)
Industry 2.0
c)
Industry 3.0
d)
Industry 4.0
140.
It particularly is based on cyber physical production systems that integrate communications, IT, data and physical elements
a)
Industry 1.0
b)
Industry 2.0
c)
Industry 3.0
d)
Industry 4.0
141.
Application of Industry 4.0 is
a)
Aerospace and Defence
b)
Education
c)
Banking
d)
All the above
142.
Application of Industry 4.0 is
a)
Automotive
b)
Semiconductors
c)
Travel and Transports
d)
All the above
143.
Benefits of Industry 4.0 is
a)
Inventory Management
b)
Quality Control
c)
Enhanced Safety
d)
All the above
144.
Benefits of Industry 4.0 is
a)
Smart Metering
b)
Smart Packaging
c)
Digital Industries
d)
All the above
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