AUTO 2
Auto Control Systems Quiz
Test your knowledge on auto control systems and components with this engaging quiz! Perfect for students and professionals alike, our quiz will challenge your understanding of sensors, PLCs, pneumatic systems, and more.
Key Features:
- 30 Multiple Choice Questions
- Score and Review Results
- Instant Feedback on Your Answers
1. A device which emits a signal when the actuator is in the desired position or location.
A. Limit switch
B. Proximity sensors
C. Pressure sensors
D. Optical sensor
2. It is a technical converter, which converts a physical value such as temperature, pressure, flow, or distance, into a different value which is easier to evaluate. This is usually an electrical signal such as voltage, current, resistance or frequency of oscillation.
A. Sensor
B. Force
C. Intensity
D. Pneumatic
3. These cylinders can produce work in only one direction.
A. Single acting cylinder
B. Double acting cylinder
C. Multi-position cylinder
D. Impact cylinder
4. Actuated by the presence of a permanent magnet.
A. Limit switch
B. Proximity switch
C. Pressure senser
D. Optical sensor
5. It is operated by air under pressure.
A. Electrical
B. Mechanical
C. Pneumatic
D. Hydraulic
6. An industrial grade computer that is capable of being programmed to perform control functions.
A. Distributed control system
B. Programmable logic control
C. Central processing unit
D. Supervisory control and data acquisition
7. It is part of the PLC that contains the microprocessor that performs control functions and computations, as well as the memory required to store the program.
A. Input/output module
B. Power supply module
C. Redundant module
D. CPU module
8. Is like a diagram for a relay controller circuitry. It is language inscribed to mark it simplest for person who is used to with relay logic controller to program the Programmable Logic Controller.
A. Structed Text
B. Function block diagram
C. Ladder logic language
D. Sequential function chart
9. This PLC language describes a function between inputs and outputs that are connected in block by connection lines.
A. Structed Text
B. Function block diagram
C. Ladder diagram
D. Sequential function chart
10. Which of the following describes the Ladder Logic Program?
A. AND Gate
B. NOR Gate
C. OR Gate
D. NAND Gate
11. Which of the following describes the Ladder Logic Program?
A. AND Gate
B. NOR Gate
C. OR Gate
D. NAND Gate
12. Devices which preferentially stop the flow in one direction and permit flow in the opposite direction. The pressure on the downstream side acts against the restrictive component, thereby assisting the sealing effect of the valve.
A. Non-return valves
B. Directional valves
C. Pressure control valves
D. Flow control valves
13. Number of ports and number switching position.
A. 2/2-way valve, normally open position
B. 3/2-way valve, normally closed position
C. 3/3-way valve, normally open position
D. 4/2-way valve, flow from 1-2 and from 4-3
14. Number of ports and number switching position.
A. 2/2-way valve, normally open position
B. 3/2-way valve, normally closed position
C. 3/2-way valve, normally open position
D. 4/2-way valve, flow from 1-2 and from 4-3
15. Number of ports and number switching position.
A. 2/2-way valve, normally open position
B. 3/2-way valve, normally closed position
C. 3/3-way valve, normally open position
D. 4/2-way valve, flow from 1-2 and from 4-3
16. What component is shown is shown?
A. Shuttle valve
B. Dual pressure valve
C. Quick exhaust valve
D. One-way flow control valve
17. What shuttle is shown?
A. Shuttle valve
B. Dual pressure valve
C. Quick exhaust valve
D. One-way flow control valve
18. What component is shown?
A. Shuttle valve
B. Dual pressure valve
C. Quick exhaust valve
D. One-way flow control valve
19. Is a computerized control system for a process or plant usually with many control loops, in which autonomous controllers are distributed throughout the system, but there is no central operator supervisory control.
A. Central processing unit
B. Distributed control system
C. Programmable logic control
D. Supervisory control and data acquisition
20. The following component are examples of discrete inputs in PLC except
A. Push button
B. Selector switches
C. LED light
D. Proximity switches
21. Is a type of process control system architecture that uses computers, networked data communications and graphical Human Machine Interfaces (HMI’s) to enable a high-level process supervisory management and control?
A. Central processing unit
B. Distributed control system
C. Supervisory control and data acquisition
D. Programmable logic control
22. It is part of the PLC that makes the network by which other working instruments are linked with the plc controller.
A. Input/output module
B. Power supply module
C. Redundant module
D. CPU module
23. The following below are the advantages of the PLC except:
A. Communications
B. Faster response time
C. Offer only closed architectures for their products.
D. None of the above
24. It converts facility electrical distribution voltage, such as 230 VAC, 120 VAC or 12… signal level voltage used by the plc processor and other modules.
A. Input/output module
B. Power supply module
C. Redundant module
D. CPU module
25. The following component are examples of discrete outputs in PLC except:
A. Motor starter
B. Push button
C. LED light
D. Relays
26. Is a high-level language that is like Basic, Pascal and “C”. It is a very powerful tool that can execute complex tasks utilizing algorithms and mathematical functions along with repetitive tasks.
A.) Structured Test
B.) Function Block Diagram
C.) Ladder Logic Language
D.) Sequential Function Chart
27. Many PLCs are capable of being configured for redundant operation in which one processor backs up another.
A.) Input/output Module
B.) Power Supply Module
C.) Redundant Module
D.) CPU Module
28. A device which emits a signal when the actuator is in the desired position or location.
A.) Limit switch
B.) Proximity switch
C.) Pressure sensor
D.) Optical sensor
29. A pneumatic-electric signal converter measures the air pressure in the supply of cylinder and compares it with a preset value.
A.) AND
B.) OR
C.) Pressure dependent
D.) Stroke dependent
30. A logic function consists of at least two switching elements connected in series.
A.) AND
B.) OR
C.) Pressure dependent
D.) Stroke dependent
31.) Limit switches with roller lever actuation are frequently used to check position of pneumatic actuators in simple circuits.
A.) AND
B.) OR
C.) Pressure dependent
D.) Stroke dependent
32.) A definite force is applied on both advance and return movements.
A.) Single acting cylinder
B.) Double acting cylinder
C.) Multi-position cylinder
D.) Impact cylinder
33.) Provides a method for transferring information between internal storage and external I/O devices
A.) Hard drives
B.) I/O interface
C.) Computer simulation
D.) Internal memory transfer
34. The control element has only two position either fully closed or fully open. This control element does not operate at any intermediate position
A.) On/off control
B.) Closed loop control
C.) Open loop control
D.) Sequence control
35. A control system may trigger a series of mechanical actuators in the correct sequence to perform a task.
A.) Closed loop control
B.) PLC control
C.) On/off control
D.) Sequential control
36. Devices which influence the path taken by an air stream predominantly start-stop direction of flow.
A.) Non-return valves
B.) Directional valves
C.) Pressure control valves
D.) Flow control valves
37. A control system, the purpose of which is to control some physical quantity or condition of a process
A.) PID control
B.) PLC control
C.) SCADA
D.) Process control system
38. Ladder Diagram is built in the form of horizontal line:
A.) Redundancy
B.) Rails
C.) Rungs
D.) Process control system
39. It is an electro-magnetically actuated switch. They consist of housing with electromagnet and movable contacts.
A.) Relay
B.) Valve
C.) Sensor
D.) Switch
40. This relay activates only when the preset number rising edge signal is achieved.
A.) Mini Relay
B.) Counter Relay
C.) Solid State Relay
D.) Hybrid Relay
41. “Provide a reading of the pressure on a scale graduated in units of bars and pounds per square inch (psi)."
A.) Hydraulic pressure gauge
B.) Computer monitors
C.) Scale interface
D.) Glass tubes
42. This valve consists in a three-way, two-position, pushbutton-operated, spring-return directional control valve.
A.) Spring return directional valve
B.) Two-positioner, Push-Button Operated
C.) Three-way, Push-Button Operated
D.) Directional Valve, Push-Button Operated
43. This provides a linear pushing motion. Its rod is extended upper pressurized air and retracted by a spring. The cylinder piston is equipped with a permanent ring magnet intended to actuate the Magnetic Proximity Switch.
A.) Single-Acting Cylinder
B.) Double-Acting Cylinder
C.) Triple-Acting Cylinder
D.) Two-way Cylinder
44. This provides a direct visual reading of the air flow rate. It consists of a lightweight ball that moves vertically along a tapered tube with the flow of air, thereby indicating the flow rate.
A.) Flowrate counter
B.) Sight glass
C.) Quantity meters
D.) Flowmeter
45.Made from various other metals operate under the principle that the electrical resistance of certain metals increase/decrease in a repeatable manner as temperature increases/decreases
A.) RTD
B.) Thermocouple
C.) Pressure switch
D.) Thermistor
46. Is a control system is one which control action is dependent on the output?
A.) Closed loop control system
B.) Open loop control system
C.) Automation control
D.) Integral control
47. It does obviously occur in a system due to the individual lags of components and transmission of signal lags. The lags must be fully evaluated before the control design can be established.
A. Time delays
B.) Error
C.) Turn down ratio
D.) Disturbance
48. This are benefits of PLC except
A.) Communications Capability of PLC
B.) Slower Response Time of plc
C.) Easier to Troubleshoot PLC
D.) Flexibility
49. This are advantages of DCS Except:
A.) Monitoring and reporting of individual components and processes
B.) Possible to control through dynamic graphic
C.) Eliminating human error by Logging of data
D.) Failure of one controller effects more than one loop
50. Ladder Diagram is built in the form of vertical line:
A.) Redundancy
B.) Rails
C.) Rungs
D.) Process control system
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