Automation Systems Question & AnswersJuly 7, 2021 By WatElectronics This article lists 100+ Automation Systems MCQs for engineering students. All the Automation Systems Questions & Answers given below include a hint and wherever possible link to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up their fundamentals on the Automation Systems topic.An automation system is used to automate the processes using electrical or electronic equipment like oil refineries, industrial equipment’s automatically simply by embedding compatible hardware and software of application-specific function. It is also called a process automation system (PAS). Some of the components used by PAS are sensors, networks, controllers, operating systems, which are an open standard distributed control system (DCS) that is based on a control system operated with a computer using plants or processes.DCS are applicable in power plants like a nuclear plant, water treatment, processes like metallurgical, etc. In some conditions PAS is considered as SCADA – supervisory control and data acquisition control system, is an architecture that comprises of networks data, peripheral devices like PLC – programable logic controller, PID – proportional integral derivative controller.SCADA is applicable in control systems like manufacturing, generation of a power system, ships, heat controllers, etc. the main disadvantage of SCADA is that it has network vulnerabilities. The advantage of using an automation system is that it reduces manpower and increases the reliability of automation systems with maximum efficiency. 1). Automation system is also called as _________.Process automationAutomatic techniqueManual processManual processHintThe automation system is also called process automation. 2). Which of the following statement is true regarding the automation process?It is a process that automatically controls process like pulp factoriesIt is a process that controls process like pulp factories using robotsIt is a process that controls process like pulp factories using humansNone of the aboveHintAutomation is a process that automatically controls processes like pulp factories. 3). Which of the following are the components of process automation?SensorsControllersActuatorsAll the aboveHintThe components of process automation are sensors, controllers, actuators. Read more about Sensors. 4). A automation system is related to ________.Distributed control systemSupervisory control and data acquisition systemDistinct control systemBoth a and bHintAn automation system is related to distributed control system and supervisory control and data acquisition system. 5). SCADA stands for ________.Supervisory control and data acquisition systemSuperior control and data acquisition systemSupervisory control and data appear systemNone of the aboveHintSCADA stands for supervisory control and data acquisition system. Read more about SCADA. 6). DCS stands for ________.Distributed control systemDisturbed control serverDigital control systemNone of the aboveHintDCS stands for distributed control system. 7). Which of the following components of supervisory control and data acquisition system?ComputersCommunication of networks dataGraphical User InterfaceAll the aboveHintThe components of supervisory control and data acquisition system are computer, communication of networks data, Graphical User Interface, PLC, PID. 8). GUI stands for _______.Graphical User InterfaceGraphical User IDGeo User InterfaceNone of the aboveHintGUI stands for Graphical User Interface. 9). GUI in SCADA is used for _______ process of managing supervisory.High levelLow levelEqualNone of the aboveHintGUI in SCADA is used for the high-level process of managing supervisory. 10). Process automation system is ______ level of automation.High levelLow levelEqualNone of the aboveHintThe process automation system is a low level of automation. 11). MES in automation systems stands for _______.Manufacturing execution systemManual execution systemManufacturing expecting a systemNone of the aboveHintMES in automation systems stands for Manufacturing execution system. 12). DCS is a _______ system.Computerized controlComponent controlCompromise control systemNone of the aboveHintDCS is a computerized control system. 13). DCS process is applied in ________.Control loops with many in numberControl loops with few in numberControl loops with n in numberNone of the aboveHintDCS process is applied in Control loops with many in number. 14). Does DCS has control of central operator supervisory?YesNoMaybeHintNo, DCS does not have control of central operator supervisory. 15). DCS _____ the reliability and _____ the cost of installation by monitoring remotely.Increases, decreasesIncreases, increasesDecreases, decreasesDecreases, decreasesHintDCS increases the reliability and decreases the cost of installation by monitoring remotely. 16). Which of the following is the function of DCS?If any processor functionality fails to work, it does not affect another processIf any processor functionality fails to work, it does affect another processIf any processor functionality fails to work, it affects other process based on the environmentNone of the aboveHintIn a DCS automation controller, if any processor functionality fails to work, it does not affect other processes. 17). How many levels are present in DCS manufacturing?3456HintThere are 5 levels in DCS manufacturing. Level 0, level1, level2, level3, level4. 18). Which of the following is the correct statement for the level 0 mechanism in the DCS manufacturing process?It contains sensors like flow sensor and temperature sensorIt contains elements that control which controls the processIt contains modules like input and outputBoth a and bHintFor level 0 mechanism in the DCS manufacturing process, it contains sensors like flow sensor and temperature sensor and elements which control the process. 19). Which of the following is the correct statement for the level 1 mechanism in the DCS manufacturing process?It contains processors distributed electronicallyIt contains elements that control which controls the processIt contains modules like input and outputBoth a and cHintLevel 1 mechanism in the DCS manufacturing process contains processors like distributed electronic and i/o modules. 20). Which of the following is the correct statement for the level 2 mechanism in the DCS manufacturing process?It contains a computer for the supervisory purposeIt contains elements that control which controls the processIt contains modules like input and outputBoth a and cHintlevel 2 mechanism in the DCS manufacturing process contains a computer for the supervisory purpose. 21). Which of the following is the correct statement for the level 3 mechanism in the DCS manufacturing process?It provides a control level for productionIt contains elements that control which controls the processIt monitors production and targetsBoth a and cHintLevel 3 mechanism in DCS manufacturing process provides control level for production and monitors production and targets. 22). Which of the following is the correct statement for the level 4 mechanism in the DCS manufacturing process?It provides scheduling level for productionIt contains elements that control which controls the processIt monitors production and targetsBoth a and cHintLevel 4 mechanism in DCS manufacturing process provides scheduling level for production. 23). Which of the following are the applications of DCS?Plants like chemicalPlants like powerSystems like water managementAll the aboveHintThe applications of DCS are production plants like chemical, power, and systems like water management. 24). Which of the following are the applications of modern DCS?Wireless systems and their protocolsMobile interfacesEmbedded webserversAll the aboveHintThe applications of modern DCS are Wireless systems and their protocols, Mobile interfaces, and Embedded webservers. 25). Which of the following statement is true regarding GUI?It creates a user-friendly environment with a system or an electronic deviceIt uses graphical iconsIt uses users commandsAll the aboveHintA GUI creates a user-friendly environment with a system or an electronic device, uses graphical icons and user commands. 26). Does GUI provides data manipulation?YesNoDiffersHintYes GUI provides data manipulation. 27). Which of the following are the elements in SCADA?Supervisory computerRemote terminal unitsProgrammable logic controllersAll the aboveHintThe elements in SCADA are Supervisory computer, Remote terminal units, Programmable logic controllers, communication infrastructure, and human-machine interface. 28). Which of the following are the issues in SCADA?Vulnerable to network attacksSoftware updatesOccupies more spaceAll the aboveHintSCADA has a major drawback that is it is vulnerable to network attacks. 29). Which of the following are the advantages of the Automation process?Productivity is increasedQuality is improvedCost of labor is reducedBoth a and bHintThe advantages of the Automation process are that Productivity is increased, Quality is improved, and safeguards humans' life. 30). Which of the following is automation control?Programmable logic controllerElectronic controller using logic gatesHardwired logic controllerAll the aboveHintAutomation controllers are of different types, they are Programmable logic controller, Electronic controller using logic gates, Hardwired logic controller, Pneumatic control, and manual control. 31). Which of the following is the function of program language?It is an instruction setIt depends on machine functionIt is autogeneratedAll the aboveHintA programming language is an instruction set. 32). Which of the following is an input to the general CAD system?Circle and Arc modeTriangle and Arc modeRectangle and circle modeAll the aboveHintAn input to general CAD system Circle and Arc mode. 33). Which of the following statement is true regarding computer based controllers?It is a modular architectureIt provides flexibilityBoth a and bNone of the aboveHintComputer-based controllers are constructed in modular architecture, and also its functionality provides flexibility. 34). What is the purpose of specialized workstations?More users with less computer workload.High costLess efficiencyAll the aboveHintThe purpose of a specialized workstation is to provide more users with fewer computer workloads. 35). CAD/CAM are tied together using _______.Graphic types workstation hardwareSoftwareBoth hardware and softwareNone of the aboveHintCAD/CAM are tied together using Graphic types workstation hardware. 36). Does three mode controller provide high accuracy?YesNoMaybeHintYes, a three-mode controller provides high accuracy. 37). Flat type panel display is a _______ technology.RGB monitorGB monitorBGR monitorSolid stateHintFlat type panel display is an RGB monitor Technology. 38). A light pen is _______ type of an input device.GraphicalManualComputerizedAny of the aboveHintThe light pen is a graphical type of input device. 39). Productivity is a ratio between _______.Output/man hour of laborMan hour of labor/outputInput/output workAll the aboveHintProductivity is a ratio between Output/ man-hour of labor. 40). Which of the following is the function of a CDA computer?It provides memory extensionIt occupies more areaIt has more power consumptionAll the aboveHintThe function of a CDA computer is it provides memory extension. 41). Which of the following contains the next instruction address to be executed?Program counterStack pointerProgram pointerAll the aboveHintThe program counter contains the next instruction address to be executed. 42). Which of the following signals have voltage levels represented in 0’s and 1’s?Digital signalAnalog signalBoth a and bAny of the aboveHintDigital signals contain voltage levels represented in 0’s and 1’s. 43). Which of the following has a short infant mortality period?ConductorsSemiconductorsInsulatorsThermistorsHintSemiconductors have a short infant mortality period. Read more about Semi-Conductors. 44). Which of the following is an example of a sequence controller?Drum trimmerSensorPLAPPLHintA drum trimmer is an example of a sequence controller. 45). Op-amp and capacitor in the analog circuit are implemented in _______.AdditionIntegral modeMultiplicationSummationHintOp-amp and capacitor in the analog circuit are implemented in integral mode. Read more about Op-amp. 46). Iterative design is used in ______ stage of any design process.EarlyEndingMiddleEither a or bHintIterative design is used in an early stage of any design process. 47). Which of the following allows faster machine checkout?Programmable controllerHardware controllerPCB controllerMachine controllerHintA Programmable controller allows faster machine checkout. 48). Which of the following is used for interactive graphics?SKETCHPADPAINTWORDAll the aboveHintSKETCHPAD is used for interactive graphics. 49). Which of the following test performs thinking task?Boolean testMC testGaussian testAll the aboveHintThe Boolean test performs thinking tasks. 50). Which of the following is a machine language?10Ab10111Add5A Xor BHintMachine language is represented in 0’s and 1’s format. 51). Software is categorized into how many types.Application softwareSystem softwareBoth a and bNone of the aboveHintSoftware is categorized into two types namely application software and system software. 52). Which of the following is an automation system?RoboticsNumerically controlled machinesWarehousesAll the aboveHintThe automation system are robotics, numerically controlled machines, and warehouses. 53). What is the accuracy of the pick and place robot?3%+0.0005 inches6%None of the aboveHintThe accuracy of the pick and place robot is 3%. 54). Which of the following software is used directly at product design?CADCAMCDMCACHintCAD software is used directly in product design. 55). Which of the following software is concerned about tool control design?CADCAMCDMCACHintCAM is software that is concerned about tool control design. 56). Which of the following statement is true regarding the Gaussian pyramid?It localizes an object in an image and analyses the object selectively along with the redundant layers in seriesIt localizes an object in an image and analyses the object selectively along with the redundant layers in parallelIt delocalizes an object in an image and analyses the object selectively along with the redundant layers in seriesNone of the aboveHintIt localizes an object in an image and analyses the object selectively along with the redundant layers in series. 57). In which of the following controller all the logical statues are maintained in memory?Program controllerHardware controllerMicro controllerProcess controllerHintIn the program controller, all the logical statues are maintained in memory. 58). Which of the following are the properties of CAD?System that manages users actionIt operates application programsIt performs basic functionsAll the aboveHintThe properties of CAD are, it is a system that manages users' actions, It operates application programs and It performs basic functions. 59). Which of the following programming method is used to control robot's physical motion in all directions?WalkthroughDirectoryUIAll the aboveHintWalkthrough programming method is used to control robot's physical motion in all directions. 60). Which of the following is used in PC?Ladder logicRelay ladder logicDiodeNone of the aboveHintRelay ladder logic is used in pc for industrial personnel control. 61). Which of the following statement is true regarding end-effector?It is the hand of a robotIt is an actual toolBoth a and bNone of the aboveHintEnd-effector is the actual tool of the robot hand, that provides gripping action. 62). PC in ______ is more reliable in terms of maximum life span in comparison with relay logic.Industrial controlMachine controlProgram controlNone of the aboveHintPC in industrial control Is more reliable in terms of maximum life span in comparison with relay logic. 63). Which of the following is the correct statement regarding the operating system?Standard modules in OS can be reusedIt can be interfaced with any deviceIt can be upgradedBoth a and cHintAn OS – operating system, helps in creating standard modules. 64). Which document is referred to while selling the project to management?Purchase procedureEvaluation of a documentEvaluation of a projectAll the aboveHintEvaluation document is referred while selling the project to management. 65). Graphic terminals in PC are emulated using ________.SoftwareHardwareWindowsAll the aboveHintGraphic terminals in PC are emulated using the software. 66). An instrument named Sonic is used to measure _______.Wave traveling at sound speedWave traveling at light speedSpeed of waveAll the aboveHintAn instrument named Sonic is used to measure wave traveling at sound speed. 67). Which of the following electronic component is used to convert an input into a binary number?EncoderDecoderMultiplexerAll the aboveHintAn encoder is used to convert any input into a binary number. Read more about Encoder. 68). Plotter is a ________ device.Output of graphicalInput of graphicalIn-out of graphicalNone of the aboveHintA plotter is an output of a graphical device. 69). A wire frame is a _______ model.VolumeBrightnessGraphicAll the aboveHintA wireframe is a volume model. 70). Which of the following controls on/off functions with respect to time?Sequence controllerBinary controllerParallel controllerAll the aboveHintA sequence controller controls on/off functions with respect to time. 71. Which of the following is the function of a solenoid?Used in machinesApplicable for automation process in industriesIt is operated on a springAll the aboveHintA solenoid is used for automation processes in industries. Time is Up!
