WorksheetsEngineering and manufacturing control systems
Total questions: 36
Worksheet time: 18mins
Which of the following devices act as inputs to control systems?
Sensors
Actuators
Displays
Printers
What do block diagrams represent in a control system?
Components of a function or subsystem
Electrical circuits
Mechanical parts
Software algorithms
What do the arrows represent in a block diagram?
The input function
The signals flowing in and out of the block
The device itself
The process blocks
Fill in the blank: Inputs are generally shown on the _______ side of a block diagram and before the process blocks.
left-hand
right-hand
top
bottom
Explain the part processes play in control systems.
Processes are the main components that execute control actions.
Processes are irrelevant in control systems.
Processes are only used for monitoring purposes.
Processes are secondary to sensors in control systems.
Which of the following is NOT a type of process device?
Timers
Comparators
Pulse units
Transistors
Which of the following devices act as processes in control systems?
Sensors and actuators
Microcontrollers
Power supplies
Cooling fans
What do the arrows represent in a block diagram?
The process function
Signals flowing in and out of the block
The device itself
The input blocks.
In a block diagram, processes are generally shown in the middle of a block diagram, after the input blocks and before the ________.
output blocks.
input signals.
feedback loops.
control systems.
What is the function of timers in control systems?
A) Compare signals
B) Keep a signal high or low for a set period
C) Amplify signals
Comparators compare a signal received with a _______ signal to see which is bigger or smaller.
reference
random
output
input
What do Pulse units produce?
A) A continuous series of digital pulses
B) A single digital pulse
C) A continuous series of analog signals
D) A single analog signal
What is the function of Counters in process devices?
To produce digital pulses
To add up the number of signals or pulses they receive
To keep a signal high or low
To reset signals
Latches keep a signal high or low until they are ______.
reset
activated
powered off
disconnected
By the end of this session, learners should be able to: describe the purpose of function of AND, OR and NOT logic gates.
AND, OR, and NOT gates are used to perform basic logical operations in digital circuits.
AND, OR, and NOT gates are used to store data in memory.
AND, OR, and NOT gates are used to amplify signals in electronic devices.
AND, OR, and NOT gates are used to convert analog signals to digital signals.
What applications can you think of that might use logic gates in a manufacturing control system context?
Robotic assembly line control
Inventory management
Customer relationship management
Financial accounting
What is the output of an AND gate when both input signals are high (1)?
0
1
Fill in the blank: AND gates produce a low (0) output signal when either or both input signals are ____.
low (0)
high (1)
positive
negative
According to the truth table, what is the output when Input A is 1 and Input B is 0?
0
1
What output does an OR gate produce when both input signals are high (1)?
A) 0
B) 1
C) 2
D) None of the above.
Fill in the blank: OR gates produce a low (0) output signal when both input signals are ____.
low (0)
high (1)
different
the same
According to the truth table, what is the output when Input A is 1 and Input B is 0?
A) 0
B) 1
C) 2
D) None of the above.
What is the output of a NOT gate when the input is 0?
0
1
Fill in the blank: A NOT gate produces a low (0) output signal when the input signal is high (___).
1.
0.
2.
3.
Explain what output blocks are and how they are shown in systems diagrams.
Output blocks are shown as circles in system diagrams.
Output blocks are shown as squares in system diagrams.
Output blocks are shown as triangles in system diagrams.
Output blocks are shown as hexagons in system diagrams.
Which of the following devices act as outputs in control systems?
Sensors
Actuators
Controllers
Processors
Schematic diagrams are encoded representations of circuits that show us the physical objects, often proportioned according to their relative size, and sometimes rendered so as to look three-dimensional by means of shading and perspective.
true
false
A _____________ is defined as a picture that shows something in a simple way, using symbols.
block diagram
pictorial diagram
Schematic
none of the above
A wiring diagram shows how things are physically connected
True
False
Circuit Drawing
Schematic Diagram
Line Diagram
Pictorial Diagram
Which of the following is not an application of electrical control systems?
Temperature control for a greenhouse
Water flow control for a hydroelectric generator
Manual operation of a mechanical press
Infrared sensors for security systems
What is the primary power and signal transmission medium in pneumatic control systems?
Electrical signals
Hydraulic fluid
Mechanical gears
Compressed air
Which of the following is an application of hydraulic control systems?
Air brake control for buses
Landing gear operation in aircraft
Infrared security sensors
Light level control in factories
Which type of sensor produces continuous output signals proportional to the measured quantity?
Digital sensor
Active sensor
Analogue sensor
assive sensor
Which type of actuator does not require an external energy supply?
Active actuator
Passive actuator
Analogue actuator
Digital actuator
Which of the following is not an application of sensors and actuators in control systems?
Switching systems for machine safety control
Proximity sensing for automation systems
Laser sensing for product measurement
Manual operation of a hand tool
