Measurement and Instrumentation Question & AnswersJune 9, 2021 By admin This article lists 100+ Measurement and Instrumentation MCQs for engineering students. All the Measurement and Instrumentation Questions & Answers given below includes solution and link wherever possible to the relevant topic.The measurement is the act or the result of a comparison between an unknown quantity and a known quantity. It is the process by which one can convert physical parameters to meaning full numbers. The measurement is performed by using the instrument and the instrument used to do the measurements that are called a measuring instrument. The ruler, stopwatch, thermometer, weight machine, etc are the types of measuring instruments. 1). ____________ is a physical parameter or variable to be a measureMeasurandStandardBoth a and bNone of the aboveHintMeasurand is a physical parameter or variable to be a measure 2). ________ is defined as a quantity of the same kind chosen as a unit or basis for comparison of a quantitative value to be a measureMeasurandStandardBoth a and bNone of the aboveHintStandard is defined as a quantity of the same kind chosen as a unit or basis for comparison of a quantitative value to be a measure 3). There are ________ types of methods of measurementsTwoFourSixSevenHintThere are seven types of methods of measurements are there they are direct, indirect, comparative, coincidence, contact, deflection, complementary methods 4). ______ are the measuring instrumentsRulerThermometerStopwatchAll of the aboveHintRuler, thermometer, stopwatch are the measuring instruments 5). How many parts does the result of the measurements contains?TwoFourSixSevenHintThe result of the measurements contains two parts they are unit of measurement and number 6). In _________ measurement methods, the unknown quantity (measurand) is measured directly instead of comparing it with a standardDirectIndirectBoth a and bNone of the aboveHintIn direct measurement methods, the unknown quantity (measurand) is measured directly instead of comparing it with a standard 7). ________ are the examples of direct measurement methodsMeasurement of current using ammeterMeasurement of voltage using voltmeterMeasurement of resistance using an ammeterAll of the aboveHintMeasurement of current using ammeter, measurement of voltage using a voltmeter, measurement of resistance using ammeter are the examples of direct measurement methods 8). The direct measurement method categorized into __________OneTwoThreeFourHintThe direct measurement method categorized into two types they are comparison and deflection methods 9). The comparison methods are categorized into __________ typesOneTwoThreeFourHintThe comparison methods are categorized into two types they are null comparison methods and differential comparison methods 10). The measurement is the act or the result of comparison between ____________Quantity and predefined standardNumber and unit of measurementBoth a and bNone of the aboveHintThe measurement is the act or the result of comparison between quantity and predefined standard 11). ____________ is an example for absolute instrumentsTangent galvanometerRayleighs current balanceBoth a and bNone of the aboveHintTangent galvanometer, rayleighs current balance, etc are the example of absolute instruments 12). The measuring instruments are of ________ typesOneTwoSixFourHintThe measuring instruments are of six types they are absolute & secondary, mechanical, electrical & electronic, analog & digital, mutual & automatic, self-operated & power-operated, deflection & null output instruments 13). ________ is an example for systematic errorsZero errorsGross errorsRandom errorsAll of the aboveHintZero error is an example of systematic errors 14). ________ error occurs due to hysteresis or due to frictionGrossRandomInstrumentalAll of the aboveHintThe instrumental error occurs due to hysteresis or friction 15). The instrument errors include _________Loading effectMisuse of instrumentsBoth a and bNone of the aboveHintThe instrument errors include loading effect and misuse of instruments 16). The environmental errors include _______PressureTemperatureHumidityAll of the aboveHintThe environmental errors include pressure, temperature, and humidity 17). ___________ is an example for comparative methodVernier calipersScalesComparatorsNone of the aboveHintComparator is an example of the comparative method 18). __________ is an example for deflection methodPressure measurementComparatorsVernier calipersNone of the aboveHintPressure measurement is an example of the deflection method 19). What is the unit name of length?MeterKilogramKelvinNone of the aboveHintThe unit name of length is meter 20). What is the unit name of the electric current?MeterKilogramKelvinAmpereHintThe unit name of electric current is ampere 21). What is the unit name of temperature?MeterKilogramKelvinAmpereHintThe unit name of temperature is Kelvin 22). ____________ are the characteristics of measuring instrumentsSensitivity, readabilityRange of accuracy, precisionBoth a and bNone of the aboveHintSensitivity, readability, range of accuracy, precision is the characteristics of measuring instruments 23). How many types of instruments are there in measurement?OneTwoThreeFourHintThere are two types of instruments are there in measurement they are active and passive instruments 24). ________ is an example for active instrumentsFloat type petrol tank level indicatorPressure measuring deviceDeflection type of pressure gaugeAll of the aboveHintFloat type petrol tank level indicator is an example for active instruments 25). The unit name of mass is ________MeterKilogramKelvinAll of the aboveHintThe unit name of mass is the kilogramMeasurement and Instrumentation MCQs for Exams 26). The unit name for the amount of disturbance is _________MeterKilogramMoleCandelaHintThe unit name for the amount of disturbance is the mole 27). The unit name for luminous intensity is _________MeterKilogramMoleCandelaHintThe unit name for luminous intensity is candela 28). _________ is an example for passive instrumentsFloat type petrol tank level indicatorPressure measuring deviceDeflection type of pressure gaugeHintPressure measuring device is an example for passive instruments 29). _________ is an example for analogue instrumentsFloat type petrol tank level indicatorPressure measuring deviceDeflection type of pressure gaugeAll of the aboveHintThe deflection type of pressure gauge is an example for analog instruments 30). _________ is an example for digital instrumentsFloat type petrol tank level indicatorPressure measuring deviceDeflection type of pressure gaugeRevolution counterHintRevolution counter is an example of digital instruments 31). The foot-pound second used for ______LengthMassTimeAll of the aboveHintThe foot-pound second used for length, mass, and time 32). The unit name of the time is _____SecondMoleCandelaNone of the aboveHintThe unit name of the time is second 33). The measurement and instrumentation used in ________HomeRoad vehiclesIndustryAll of the aboveHintThe measurement and instrumentation used in Home, Road vehicles, and Industry applications 34). The standards of measurements are of ________ typesOneTwoThreeFourHintThe standards of measurements are of four types they are international, primary, secondary, and working standards 35). How many types of errors are there?OneTwoThreeFourHintThere are three types of errors are there they are systematic or cumulative, gross, and random errors 36). The grounding is used for _______ProtectionFunctionScreeningAll of the aboveHintThe grounding is used for protection, function, and screening 37). The reduction of interference depends on ___________Costs of the equipmentProblems caused by interferenceStrength of the interference sourceAll of the aboveHintThe reduction of interference depends on costs of the equipment, problems caused by interference, and strength of the interference source 38). Which type of choke is used for interference filters?Ring core chokesBar core chokesBoth a and bNone of the aboveHintRing core and bar core chokes are used for interference filters 39). The instrument transformers ate categorized into ________ typesOneTwoThreeFourHintThe instrument transformers ate categorized into two types they are current and potential transformers 40). How many types of phase sequence indicators are there?OneTwoThreeFourHintThere are two types of phase sequence indicators are there they are rotating type and static type 41). The frequency meter operates on ______Mechanical resonanceElectrical resonanceBoth a and bNone of the aboveHintThe frequency meter operates on both mechanical and electrical resonances 42). ____________ methods are used for measurement of low resistancesWheatstone bridgeAmmeter voltmeterDouble Kelvin bridgeAll of the aboveHintWheatstone bridge, Ammeter voltmeter, Double Kelvin bridge methods are used for measurement of low resistances 43). The measurement of resistance categorized into _________ typesOneTwoThreeFourHintThe measurement of resistance categorized into three types they are low resistances, high resistances, and medium resistances 44). ________ are the functions of instrumentationControllingRecordingIndicatingAll of the aboveHintControlling, recording, indicating are the functions of instrumentation 45). The basic construction of transducers consists of ____________Sensing elementTransduction elementBoth a and bNone of the aboveHintThe basic construction of transducers consists of sensing element and transduction element 46). The transducers are categorized into ______ typesOneTwoThreeFourHintThe transducers are categorized into four types they are primary & secondary, active & passive, analog & digital, transducers & inverse transducers 47). The instrumental errors arise due to ______________Misuse and loading of the instrumentsInherent shortcomingsBoth a and bNone of the aboveHintThe instrumental errors arise due to misuse and loading of the instruments and also due to the inherent shortcomings in the instrument 48). The drifts are categorized into __________ typesOneTwoThreeFourHintThe drifts are categorized into three types they are zero drift, span drift, and zonal drift 49). ________ are the examples of dead timeAmmeterData acquisition cardCameraAll of the aboveHintAmmeter, data acquisition card, camera, etc are the examples of dead time 50). The torques are categorized into ________ typesOneTwoThreeFourHintThe torques are categorized into three types they are deflection, damping, and control torquesMeasurement and Instrumentation MCQs for Students 51). The ratio of the total resistance of the meter divided by full-scale reading is known as ________Ammeter sensitivityVoltmeter sensitivitySensitivityNone of the aboveHintThe ratio of the total resistance of the meter divided by full-scale reading is known as voltmeter sensitivity 52). The signal generators are used in ______TestingDesigningTroubleshootingAll of the aboveHintThe signal generators are used in testing, designing, repairing, and troubleshooting 53). The tachometer is used to measure __________Flow of liquidSpeed of a rotating shiftRotational speedAll of the aboveHintThe tachometer is used to measure the flow of liquid, speed of a rotating shaft, and to measure the rotational speed 54). In ___________ the oscilloscopes are usedSciencesEngineeringTelecommunication industryAll of the aboveHintIn sciences, engineering, and telecommunication industries the oscilloscopes are used 55). The voltmeters are categorized into ___________OneTwoThreeFourHintThe voltmeters are categorized into two types they are analog and digital voltmeters 56). The ammeters are categorized into ___________OneTwoThreeFourHintThe ammeters are categorized into four types they are moving iron, hot wire, integrating, and digital ammeters 57). __________ are the static characteristics of instrumentsAccuracy, tolerance, precisionRange, threshold, resolutionHysteresis effect, dead space, the sensitivity of measurementAll of the aboveHintAccuracy, tolerance, precision, range, threshold, resolution, hysteresis effect, dead space, the sensitivity of measurement are the static characteristics of instruments 58). The ratio of scale deflection divided by change in measurand producing deflection is known as ________Ammeter sensitivityVoltmeter sensitivitySensitivityNone of the aboveHintThe ratio of scale deflection divided by change in measurand producing deflection is known as sensitivity 59). _____________ errors are caused due to wrong observations or readings in the instruments particularly in the case of energy meter readingRandom errorsGross errorsObservational errorsEnvironmental errorsHintObservational errors are caused due to wrong observations or readings in the instruments particularly in the case of energy meter reading 60). _____________ errors are caused by the sudden change in experimental conditions, noise, and tiredness in the working processRandom errorsGross errorsObservational errorsEnvironmental errorsHintRandom errors are caused by the sudden change in experimental conditions, noise, and tiredness in the working process 61). _____________ errors occur due to some external conditions of the instrumentRandom errorsGross errorsObservational errorsEnvironmental errorsHintEnvironmental errors occur due to some external conditions of the instrument 62). _____________ errors occur due to wrong construction of the measuring instrumentsRandom errorsGross errorsInstrumental errorsEnvironmental errorsHintInstrumental errors occur due to wrong construction of the measuring instruments 63). _____________ errors occur due to fault in the measuringRandom errorsSystematic errorsInstrumental errorsEnvironmental errorsHintSystematic errors occur due to fault in the measuring 64). The systematic errors are categorized into ___________OneTwoThreeFourHintThe systematic errors are categorized into three types they are instrumental, environmental, and observational errors 65). __________ instrument indicates the measurement of quantityDeflectionNullSelf-operatedPower-operatedHintDeflection instrument indicates the measurement of quantity 66). __________ instrument indication leads to determination of the magnitude of unknown quantityDeflectionNullSelf-operatedPower-operatedHintNull or zero instrument indication leads to the determination of the magnitude of an unknown quantity 67). In _________ instrument no outside power is required for operationDeflectionNullSelf-operatedPower-operatedHintIn a self-operated instrument, no outside power is required for operation 68). In _________ instrument, some external power such as electricity, compressed air, hydraulic supply is required for operationDeflectionNullSelf-operatedPower-operatedHintIn a power-operated instrument, some external power such as electricity, compressed air, hydraulic supply is required for operation 69). The service of an operator is required in ____________ instrumentsManualAutomaticBoth a and bNone of the aboveHintThe service of an operator is required in manual instruments 70). The glass tube thermometer is an example of _______ instrumentManualAutomaticBoth a and bNone of the aboveHintThe glass tube thermometer is an example of automatic instrument 71). In ________ instruments, the pointer is deflected due to some mechanical processMechanicalElectricalElectronicNone of the aboveHintIn mechanical instruments, the pointer is deflected due to some mechanical process 72). In ________ instruments, the pointer is deflected due to some electrical activityMechanicalElectricalElectronicNone of the aboveHintIn electrical instruments, the pointer is deflected due to some electrical activity 73). The service of an operation is not required in __________ instrumentManualAutomaticBoth a and bNone of the aboveHintThe service of an operation is not required in an automatic instrument 74). In _______ instrument, the pointer is deflected due to movement of electronsMechanicalElectricalElectronicNone of the aboveHintIn an electronic instrument, the pointer is deflected due to the movement of electrons 75). _________ is an example of mechanical instrumentGalvanometerAmmeterCRONone of the aboveHintGalvanometer is an example of mechanical instrumentMeasurement and Instrumentation MCQs for Interviews 76). _________ is an example for electrical instrumentGalvanometerAmmeterCRONone of the aboveHintAmmeter is an example of an electrical instrument 77). _________ is an example of an electronic instrumentGalvanometerAmmeterCRONone of the aboveHintCRO is an example of an electronic instrument 78). _________ instrument provides an analog outputAnalogDigitalBoth a and bNone of the aboveHintAnalog instrument provides an analog output 79). _________ instrument provides a digital outputAnalogDigitalBoth a and bNone of the aboveHintThe digital instrument provides a digital output 80). The secondary instruments are categorized into ____________OneTwoThreeFourHintThe secondary instruments are categorized into two types they are indicating, integrating, and recording 81). How many types of units are there?OneTwoThreeFourHintThere are two types of units are there they are fundamental and derived units 82). The fundamental units are categorized into _________OneTwoThreeHintThe fundamental units are categorized into two types they are primary and auxiliary fundamental units 83). The fundamental units in ___________ are called primary unitsLengthMassTimeAll of the aboveHintThe fundamental units in length, mass, time are called primary units 84). _____________ value is the known, actual or accepted value of the quantityTrue valueMeasurand valueBoth a and bNone of the aboveHintTrue value is the known, actual, or accepted value of the quantity 85). The result of individual measurement of the quantity is the ___________True valueMeasurand valueBoth a and bNone of the aboveHintThe result of individual measurement of the quantity is the measurand value 86). ________ is defined as a difference between the measured and true valueRandom errorGross errorErrorNone of the aboveHintError is defined as a difference between the measured and true value 87). The instrument reading-true reading/true reading*100 is known as ___________Random errorGross errorErrorPercentage errorHintThe instrument reading-true reading/true reading*100 is known as percentage error 88). The mathematical analysis of various measurements is called _________Statistical analysis of dataMathematical analysis of dataDynamical analysis of dataNone of the aboveHintThe mathematical analysis of various measurements is called statistical analysis of data 89). ___________ analysis helps to determine analytically the certainty of the final test resultMathematicalStatisticalDynamicalNone of the aboveHintStatistical analysis helps to determine analytically the certainty of the final test result 90). __________ is the property of a material that opposes the flow of current through itResistanceInductance & CapacitanceBoth a and bNone of the aboveHintResistance is the property of a material that opposes the flow of current through it 91). ________ resistances having a value from 1Ω and underHigh resistanceLow resistanceMedium resistanceNone of the aboveHintLow resistances having a value from 1Ω and under 92). ________ resistances having a value from 1Ω upwards to 0.1mΩHigh resistanceLow resistanceMedium resistanceNone of the aboveHintMedium resistances having a value from 1Ω upwards to 0.1mΩ 93). ________ resistances having a value from greater than 0.1mΩHigh resistanceLow resistanceMedium resistanceNone of the aboveHintHigh resistances having a value from greater than 0.1mΩ 94). ________ is an example for low resistanceResistance of connecting leadsInsulation resistance of transformer windingResistance of a transformerNone of the aboveHintResistance of connecting leads is an example for low resistanceRead more about Resistors 95). ________ is an example for high resistanceResistance of connecting leadsInsulation resistance of transformer windingResistance of a transformerNone of the aboveHintInsulation resistance of transformer winding is an example of high resistance 96). The various methods for measurement of high resistance are __________Direct deflection methodLoss of charge methodMegohm bridge methodAll of the aboveHintThe various methods for measurement of high resistance are direct deflection method, loss of charge method, and megohm bridge method 97). In a loss of charge method, the unknown resistance is connected in ________ with a capacitor and a an electrostatic voltmeterSeriesParallelPerpendicularNone of the aboveHintIn a loss of charge method, the unknown resistance is connected in parallel with a capacitor and an electrostatic voltmeter 98). The alternating current bridges are used for the measurement of __________AC resistanceCapacitance & inductanceBoth a and bAll of the aboveHintThe alternating current bridges are used for the measurement of ac resistance, inductance, and capacitance 99). All alternating current bridges are based on _____________ bridgeMegohmWheatstoneKelvinNone of the aboveHintAll alternating current bridges are based on the Wheatstone bridge 100). How many arms does the alternating current bridge consists of?OneTwoThreeFourHintThe alternating current bridge consists of four arms Time is Up! Time's up
