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 and instrumentation used in Home, Road vehicles, and Industry applications. 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.The measurand is a physical parameter or variable to be a measure. There are seven types of methods of measurement are there they are direct, indirect, comparative, coincidence, contact, deflection, complementary methods. The ruler, thermometer, stopwatch are the measuring instruments. The result of the measurements contains two parts they are unit of measurement and number. In a direct measurement method, the unknown quantity (measurand) is measured directly instead of comparing it with a standard. The measurement of current using an ammeter, measurement of voltage using a voltmeter, measurement of resistance using an ammeter are examples of direct measurement methods.1). ____________ is a physical parameter or variable to be a measure Measurand Standard Both a and b None of the above HintMeasurand is a physical parameter or variable to be a measure2). ________ 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 Measurand Standard Both a and b None of the above HintStandard is defined as a quantity of the same kind chosen as a unit or basis for comparison of a quantitative value to be a measure3). There are ________ types of methods of measurements Two Four Six Seven HintThere are seven types of methods of measurements are there they are direct, indirect, comparative, coincidence, contact, deflection, complementary methods4). ______ are the measuring instruments Ruler Thermometer Stopwatch All of the above HintRuler, thermometer, stopwatch are the measuring instruments5). How many parts does the result of the measurements contains? Two Four Six Seven HintThe result of the measurements contains two parts they are unit of measurement and number6). In _________ measurement methods, the unknown quantity (measurand) is measured directly instead of comparing it with a standard Direct Indirect Both a and b None of the above HintIn direct measurement methods, the unknown quantity (measurand) is measured directly instead of comparing it with a standard7). ________ are the examples of direct measurement methods Measurement of current using ammeter Measurement of voltage using voltmeter Measurement of resistance using an ammeter All of the above HintMeasurement of current using ammeter, measurement of voltage using a voltmeter, measurement of resistance using ammeter are the examples of direct measurement methods8). The direct measurement method categorized into __________ One Two Three Four HintThe direct measurement method categorized into two types they are comparison and deflection methods9). The comparison methods are categorized into __________ types One Two Three Four HintThe comparison methods are categorized into two types they are null comparison methods and differential comparison methods10). The measurement is the act or the result of comparison between ____________ Quantity and predefined standard Number and unit of measurement Both a and b None of the above HintThe measurement is the act or the result of comparison between quantity and predefined standard11). ____________ is an example for absolute instruments Tangent galvanometer Rayleighs current balance Both a and b None of the above HintTangent galvanometer, rayleighs current balance, etc are the example of absolute instruments12). The measuring instruments are of ________ types One Two Six Four HintThe measuring instruments are of six types they are absolute & secondary, mechanical, electrical & electronic, analog & digital, mutual & automatic, self-operated & power-operated, deflection & null output instruments13). ________ is an example for systematic errors Zero errors Gross errors Random errors All of the above HintZero error is an example of systematic errors14). ________ error occurs due to hysteresis or due to friction Gross Random Instrumental All of the above HintThe instrumental error occurs due to hysteresis or friction15). The instrument errors include _________ Loading effect Misuse of instruments Both a and b None of the above HintThe instrument errors include loading effect and misuse of instruments16). The environmental errors include _______ Pressure Temperature Humidity All of the above HintThe environmental errors include pressure, temperature, and humidity17). ___________ is an example for comparative method Vernier calipers Scales Comparators None of the above HintComparator is an example of the comparative method18). __________ is an example for deflection method Pressure measurement Comparators Vernier calipers None of the above HintPressure measurement is an example of the deflection method19). What is the unit name of length? Meter Kilogram Kelvin None of the above HintThe unit name of length is meter20). What is the unit name of the electric current? Meter Kilogram Kelvin Ampere HintThe unit name of electric current is ampere21). What is the unit name of temperature? Meter Kilogram Kelvin Ampere HintThe unit name of temperature is Kelvin22). ____________ are the characteristics of measuring instruments Sensitivity, readability Range of accuracy, precision Both a and b None of the above HintSensitivity, readability, range of accuracy, precision is the characteristics of measuring instruments23). How many types of instruments are there in measurement? One Two Three Four HintThere are two types of instruments are there in measurement they are active and passive instruments24). ________ is an example for active instruments Float type petrol tank level indicator Pressure measuring device Deflection type of pressure gauge All of the above HintFloat type petrol tank level indicator is an example for active instruments25). The unit name of mass is ________ Meter Kilogram Kelvin All of the above HintThe unit name of mass is the kilogramMeasurement and Instrumentation MCQs for Exams26). The unit name for the amount of disturbance is _________ Meter Kilogram Mole Candela HintThe unit name for the amount of disturbance is the mole27). The unit name for luminous intensity is _________ Meter Kilogram Mole Candela HintThe unit name for luminous intensity is candela28). _________ is an example for passive instruments Float type petrol tank level indicator Pressure measuring device Deflection type of pressure gauge HintPressure measuring device is an example for passive instruments29). _________ is an example for analogue instruments Float type petrol tank level indicator Pressure measuring device Deflection type of pressure gauge All of the above HintThe deflection type of pressure gauge is an example for analog instruments30). _________ is an example for digital instruments Float type petrol tank level indicator Pressure measuring device Deflection type of pressure gauge Revolution counter HintRevolution counter is an example of digital instruments31). The foot-pound second used for ______ Length Mass Time All of the above HintThe foot-pound second used for length, mass, and time32). The unit name of the time is _____ Second Mole Candela None of the above HintThe unit name of the time is second33). The measurement and instrumentation used in ________ Home Road vehicles Industry All of the above HintThe measurement and instrumentation used in Home, Road vehicles, and Industry applications34). The standards of measurements are of ________ types One Two Three Four HintThe standards of measurements are of four types they are international, primary, secondary, and working standards35). How many types of errors are there? One Two Three Four HintThere are three types of errors are there they are systematic or cumulative, gross, and random errors36). The grounding is used for _______ Protection Function Screening All of the above HintThe grounding is used for protection, function, and screening37). The reduction of interference depends on ___________ Costs of the equipment Problems caused by interference Strength of the interference source All of the above HintThe reduction of interference depends on costs of the equipment, problems caused by interference, and strength of the interference source38). Which type of choke is used for interference filters? Ring core chokes Bar core chokes Both a and b None of the above HintRing core and bar core chokes are used for interference filters39). The instrument transformers ate categorized into ________ types One Two Three Four HintThe instrument transformers ate categorized into two types they are current and potential transformers40). How many types of phase sequence indicators are there? One Two Three Four HintThere are two types of phase sequence indicators are there they are rotating type and static type41). The frequency meter operates on ______ Mechanical resonance Electrical resonance Both a and b None of the above HintThe frequency meter operates on both mechanical and electrical resonances42). ____________ methods are used for measurement of low resistances Wheatstone bridge Ammeter voltmeter Double Kelvin bridge All of the above HintWheatstone bridge, Ammeter voltmeter, Double Kelvin bridge methods are used for measurement of low resistances43). The measurement of resistance categorized into _________ types One Two Three Four HintThe measurement of resistance categorized into three types they are low resistances, high resistances, and medium resistances44). ________ are the functions of instrumentation Controlling Recording Indicating All of the above HintControlling, recording, indicating are the functions of instrumentation45). The basic construction of transducers consists of ____________ Sensing element Transduction element Both a and b None of the above HintThe basic construction of transducers consists of sensing element and transduction element46). The transducers are categorized into ______ types One Two Three Four HintThe transducers are categorized into four types they are primary & secondary, active & passive, analog & digital, transducers & inverse transducers47). The instrumental errors arise due to ______________ Misuse and loading of the instruments Inherent shortcomings Both a and b None of the above HintThe instrumental errors arise due to misuse and loading of the instruments and also due to the inherent shortcomings in the instrument48). The drifts are categorized into __________ types One Two Three Four HintThe drifts are categorized into three types they are zero drift, span drift, and zonal drift49). ________ are the examples of dead time Ammeter Data acquisition card Camera All of the above HintAmmeter, data acquisition card, camera, etc are the examples of dead time50). The torques are categorized into ________ types One Two Three Four HintThe torques are categorized into three types they are deflection, damping, and control torquesMeasurement and Instrumentation MCQs for Students51). The ratio of the total resistance of the meter divided by full-scale reading is known as ________ Ammeter sensitivity Voltmeter sensitivity Sensitivity None of the above HintThe ratio of the total resistance of the meter divided by full-scale reading is known as voltmeter sensitivity52). The signal generators are used in ______ Testing Designing Troubleshooting All of the above HintThe signal generators are used in testing, designing, repairing, and troubleshooting53). The tachometer is used to measure __________ Flow of liquid Speed of a rotating shift Rotational speed All of the above HintThe tachometer is used to measure the flow of liquid, speed of a rotating shaft, and to measure the rotational speed54). In ___________ the oscilloscopes are used Sciences Engineering Telecommunication industry All of the above HintIn sciences, engineering, and telecommunication industries the oscilloscopes are used55). The voltmeters are categorized into ___________ One Two Three Four HintThe voltmeters are categorized into two types they are analog and digital voltmeters56). The ammeters are categorized into ___________ One Two Three Four HintThe ammeters are categorized into four types they are moving iron, hot wire, integrating, and digital ammeters57). __________ are the static characteristics of instruments Accuracy, tolerance, precision Range, threshold, resolution Hysteresis effect, dead space, the sensitivity of measurement All of the above HintAccuracy, tolerance, precision, range, threshold, resolution, hysteresis effect, dead space, the sensitivity of measurement are the static characteristics of instruments58). The ratio of scale deflection divided by change in measurand producing deflection is known as ________ Ammeter sensitivity Voltmeter sensitivity Sensitivity None of the above HintThe ratio of scale deflection divided by change in measurand producing deflection is known as sensitivity59). _____________ errors are caused due to wrong observations or readings in the instruments particularly in the case of energy meter reading Random errors Gross errors Observational errors Environmental errors HintObservational errors are caused due to wrong observations or readings in the instruments particularly in the case of energy meter reading60). _____________ errors are caused by the sudden change in experimental conditions, noise, and tiredness in the working process Random errors Gross errors Observational errors Environmental errors HintRandom errors are caused by the sudden change in experimental conditions, noise, and tiredness in the working process61). _____________ errors occur due to some external conditions of the instrument Random errors Gross errors Observational errors Environmental errors HintEnvironmental errors occur due to some external conditions of the instrument62). _____________ errors occur due to wrong construction of the measuring instruments Random errors Gross errors Instrumental errors Environmental errors HintInstrumental errors occur due to wrong construction of the measuring instruments 63). _____________ errors occur due to fault in the measuring Random errors Systematic errors Instrumental errors Environmental errors HintSystematic errors occur due to fault in the measuring64). The systematic errors are categorized into ___________ One Two Three Four HintThe systematic errors are categorized into three types they are instrumental, environmental, and observational errors65). __________ instrument indicates the measurement of quantity Deflection Null Self-operated Power-operated HintDeflection instrument indicates the measurement of quantity66). __________ instrument indication leads to determination of the magnitude of unknown quantity Deflection Null Self-operated Power-operated HintNull or zero instrument indication leads to the determination of the magnitude of an unknown quantity67). In _________ instrument no outside power is required for operation Deflection Null Self-operated Power-operated HintIn a self-operated instrument, no outside power is required for operation68). In _________ instrument, some external power such as electricity, compressed air, hydraulic supply is required for operation Deflection Null Self-operated Power-operated HintIn a power-operated instrument, some external power such as electricity, compressed air, hydraulic supply is required for operation69). The service of an operator is required in ____________ instruments Manual Automatic Both a and b None of the above HintThe service of an operator is required in manual instruments70). The glass tube thermometer is an example of _______ instrument Manual Automatic Both a and b None of the above HintThe glass tube thermometer is an example of automatic instrument71). In ________ instruments, the pointer is deflected due to some mechanical process Mechanical Electrical Electronic None of the above HintIn mechanical instruments, the pointer is deflected due to some mechanical process72). In ________ instruments, the pointer is deflected due to some electrical activity Mechanical Electrical Electronic None of the above HintIn electrical instruments, the pointer is deflected due to some electrical activity73). The service of an operation is not required in __________ instrument Manual Automatic Both a and b None of the above HintThe service of an operation is not required in an automatic instrument 74). In _______ instrument, the pointer is deflected due to movement of electrons Mechanical Electrical Electronic None of the above HintIn an electronic instrument, the pointer is deflected due to the movement of electrons75). _________ is an example of mechanical instrument Galvanometer Ammeter CRO None of the above HintGalvanometer is an example of mechanical instrumentMeasurement and Instrumentation MCQs for Interviews76). _________ is an example for electrical instrument Galvanometer Ammeter CRO None of the above HintAmmeter is an example of an electrical instrument77). _________ is an example of an electronic instrument Galvanometer Ammeter CRO None of the above HintCRO is an example of an electronic instrument78). _________ instrument provides an analog output Analog Digital Both a and b None of the above HintAnalog instrument provides an analog output79). _________ instrument provides a digital output Analog Digital Both a and b None of the above HintThe digital instrument provides a digital output80). The secondary instruments are categorized into ____________ One Two Three Four HintThe secondary instruments are categorized into two types they are indicating, integrating, and recording81). How many types of units are there? One Two Three Four HintThere are two types of units are there they are fundamental and derived units82). The fundamental units are categorized into _________ One Two Three HintThe fundamental units are categorized into two types they are primary and auxiliary fundamental units83). The fundamental units in ___________ are called primary units Length Mass Time All of the above HintThe fundamental units in length, mass, time are called primary units84). _____________ value is the known, actual or accepted value of the quantity True value Measurand value Both a and b None of the above HintTrue value is the known, actual, or accepted value of the quantity85). The result of individual measurement of the quantity is the ___________ True value Measurand value Both a and b None of the above HintThe result of individual measurement of the quantity is the measurand value86). ________ is defined as a difference between the measured and true value Random error Gross error Error None of the above HintError is defined as a difference between the measured and true value87). The instrument reading-true reading/true reading*100 is known as ___________ Random error Gross error Error Percentage error HintThe instrument reading-true reading/true reading*100 is known as percentage error88). The mathematical analysis of various measurements is called _________ Statistical analysis of data Mathematical analysis of data Dynamical analysis of data None of the above HintThe mathematical analysis of various measurements is called statistical analysis of data89). ___________ analysis helps to determine analytically the certainty of the final test result Mathematical Statistical Dynamical None of the above HintStatistical analysis helps to determine analytically the certainty of the final test result90). __________ is the property of a material that opposes the flow of current through it Resistance Inductance & Capacitance Both a and b None of the above HintResistance is the property of a material that opposes the flow of current through it91). ________ resistances having a value from 1Ω and under High resistance Low resistance Medium resistance None of the above HintLow resistances having a value from 1Ω and under92). ________ resistances having a value from 1Ω upwards to 0.1mΩ High resistance Low resistance Medium resistance None of the above HintMedium resistances having a value from 1Ω upwards to 0.1mΩ 93). ________ resistances having a value from greater than 0.1mΩ High resistance Low resistance Medium resistance None of the above HintHigh resistances having a value from greater than 0.1mΩ 94). ________ is an example for low resistance Resistance of connecting leads Insulation resistance of transformer winding Resistance of a transformer None of the above HintResistance of connecting leads is an example for low resistanceRead more about Resistors95). ________ is an example for high resistance Resistance of connecting leads Insulation resistance of transformer winding Resistance of a transformer None of the above HintInsulation resistance of transformer winding is an example of high resistance96). The various methods for measurement of high resistance are __________ Direct deflection method Loss of charge method Megohm bridge method All of the above HintThe various methods for measurement of high resistance are direct deflection method, loss of charge method, and megohm bridge method97). In a loss of charge method, the unknown resistance is connected in ________ with a capacitor and a an electrostatic voltmeter Series Parallel Perpendicular None of the above HintIn a loss of charge method, the unknown resistance is connected in parallel with a capacitor and an electrostatic voltmeter98). The alternating current bridges are used for the measurement of __________ AC resistance Capacitance & inductance Both a and b All of the above HintThe alternating current bridges are used for the measurement of ac resistance, inductance, and capacitance99). All alternating current bridges are based on _____________ bridge Megohm Wheatstone Kelvin None of the above HintAll alternating current bridges are based on the Wheatstone bridge100). How many arms does the alternating current bridge consists of? One Two Three Four HintThe alternating current bridge consists of four arms Time is Up! Time's up
