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Measurement and Instrumentation Question & Answers

June 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
HintMeasurand 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 measure
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 measure
3). There are ________ types of methods of measurements
HintThere are seven types of methods of measurements are there they are direct, indirect, comparative, coincidence, contact, deflection, complementary methods
4). ______ are the measuring instruments
HintRuler, thermometer, stopwatch are the measuring instruments
5). How many parts does the result of the measurements contains?
HintThe 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 standard
HintIn direct measurement methods, the unknown quantity (measurand) is measured directly instead of comparing it with a standard
7). ________ are the examples of direct measurement methods
HintMeasurement 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 __________
HintThe direct measurement method categorized into two types they are comparison and deflection methods
9). The comparison methods are categorized into __________ types
HintThe 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 ____________
HintThe measurement is the act or the result of comparison between quantity and predefined standard
11). ____________ is an example for absolute instruments
HintTangent galvanometer, rayleighs current balance, etc are the example of absolute instruments
12). The measuring instruments are of ________ types
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 instruments
13). ________ is an example for systematic errors
HintZero error is an example of systematic errors
14). ________ error occurs due to hysteresis or due to friction
HintThe instrumental error occurs due to hysteresis or friction
15). The instrument errors include _________
HintThe instrument errors include loading effect and misuse of instruments
16). The environmental errors include _______
HintThe environmental errors include pressure, temperature, and humidity
17). ___________ is an example for comparative method
HintComparator is an example of the comparative method
18). __________ is an example for deflection method
HintPressure measurement is an example of the deflection method
19). What is the unit name of length?
HintThe unit name of length is meter
20). What is the unit name of the electric current?
HintThe unit name of electric current is ampere
21). What is the unit name of temperature?
HintThe unit name of temperature is Kelvin
22). ____________ are the characteristics of measuring instruments
HintSensitivity, readability, range of accuracy, precision is the characteristics of measuring instruments
23). How many types of instruments are there in measurement?
HintThere are two types of instruments are there in measurement they are active and passive instruments
24). ________ is an example for active instruments
HintFloat type petrol tank level indicator is an example for active instruments
25). The unit name of mass is ________
HintThe unit name of mass is the kilogram

Measurement and Instrumentation MCQs for Exams

26). The unit name for the amount of disturbance is _________
HintThe unit name for the amount of disturbance is the mole
27). The unit name for luminous intensity is _________
HintThe unit name for luminous intensity is candela
28). _________ is an example for passive instruments
HintPressure measuring device is an example for passive instruments
29). _________ is an example for analogue instruments
HintThe deflection type of pressure gauge is an example for analog instruments
30). _________ is an example for digital instruments
HintRevolution counter is an example of digital instruments
31). The foot-pound second used for ______
HintThe foot-pound second used for length, mass, and time
32). The unit name of the time is _____
HintThe unit name of the time is second
33). The measurement and instrumentation used in ________
HintThe measurement and instrumentation used in Home, Road vehicles, and Industry applications
34). The standards of measurements are of ________ types
HintThe standards of measurements are of four types they are international, primary, secondary, and working standards
35). How many types of errors are there?
HintThere are three types of errors are there they are systematic or cumulative, gross, and random errors
36). The grounding is used for _______
HintThe grounding is used for protection, function, and screening
37). The reduction of interference depends on ___________
HintThe 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?
HintRing core and bar core chokes are used for interference filters
39). The instrument transformers ate categorized into ________ types
HintThe instrument transformers ate categorized into two types they are current and potential transformers
40). How many types of phase sequence indicators are there?
HintThere are two types of phase sequence indicators are there they are rotating type and static type
41). The frequency meter operates on ______
HintThe frequency meter operates on both mechanical and electrical resonances
42). ____________ methods are used for measurement of low resistances
HintWheatstone bridge, Ammeter voltmeter, Double Kelvin bridge methods are used for measurement of low resistances
43). The measurement of resistance categorized into _________ types
HintThe measurement of resistance categorized into three types they are low resistances, high resistances, and medium resistances
44). ________ are the functions of instrumentation
HintControlling, recording, indicating are the functions of instrumentation
45). The basic construction of transducers consists of ____________
HintThe basic construction of transducers consists of sensing element and transduction element
46). The transducers are categorized into ______ types
HintThe transducers are categorized into four types they are primary & secondary, active & passive, analog & digital, transducers & inverse transducers
47). The instrumental errors arise due to ______________
HintThe 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 __________ types
HintThe drifts are categorized into three types they are zero drift, span drift, and zonal drift
49). ________ are the examples of dead time
HintAmmeter, data acquisition card, camera, etc are the examples of dead time
50). The torques are categorized into ________ types
HintThe torques are categorized into three types they are deflection, damping, and control torques

Measurement and Instrumentation MCQs for Students

51). The ratio of the total resistance of the meter divided by full-scale reading is known as ________
HintThe 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 ______
HintThe signal generators are used in testing, designing, repairing, and troubleshooting
53). The tachometer is used to measure __________
HintThe 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 used
HintIn sciences, engineering, and telecommunication industries the oscilloscopes are used
55). The voltmeters are categorized into ___________
HintThe voltmeters are categorized into two types they are analog and digital voltmeters
56). The ammeters are categorized into ___________
HintThe ammeters are categorized into four types they are moving iron, hot wire, integrating, and digital ammeters
57). __________ are the static characteristics of instruments
HintAccuracy, 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 ________
HintThe 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 reading
HintObservational 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 process
HintRandom 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 instrument
HintEnvironmental errors occur due to some external conditions of the instrument
62). _____________ errors occur due to wrong construction of the measuring instruments
HintInstrumental errors occur due to wrong construction of the measuring instruments
63). _____________ errors occur due to fault in the measuring
HintSystematic errors occur due to fault in the measuring
64). The systematic errors are categorized into ___________
HintThe systematic errors are categorized into three types they are instrumental, environmental, and observational errors
65). __________ instrument indicates the measurement of quantity
HintDeflection instrument indicates the measurement of quantity
66). __________ instrument indication leads to determination of the magnitude of unknown quantity
HintNull or zero instrument indication leads to the determination of the magnitude of an unknown quantity
67). In _________ instrument no outside power is required for operation
HintIn 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 operation
HintIn 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 ____________ instruments
HintThe service of an operator is required in manual instruments
70). The glass tube thermometer is an example of _______ instrument
HintThe glass tube thermometer is an example of automatic instrument
71). In ________ instruments, the pointer is deflected due to some mechanical process
HintIn mechanical instruments, the pointer is deflected due to some mechanical process
72). In ________ instruments, the pointer is deflected due to some electrical activity
HintIn electrical instruments, the pointer is deflected due to some electrical activity
73). The service of an operation is not required in __________ instrument
HintThe service of an operation is not required in an automatic instrument
74). In _______ instrument, the pointer is deflected due to movement of electrons
HintIn an electronic instrument, the pointer is deflected due to the movement of electrons
75). _________ is an example of mechanical instrument
HintGalvanometer is an example of mechanical instrument

Measurement and Instrumentation MCQs for Interviews

76). _________ is an example for electrical instrument
HintAmmeter is an example of an electrical instrument
77). _________ is an example of an electronic instrument
HintCRO is an example of an electronic instrument
78). _________ instrument provides an analog output
HintAnalog instrument provides an analog output
79). _________ instrument provides a digital output
HintThe digital instrument provides a digital output
80). The secondary instruments are categorized into ____________
HintThe secondary instruments are categorized into two types they are indicating, integrating, and recording
81). How many types of units are there?
HintThere are two types of units are there they are fundamental and derived units
82). The fundamental units are categorized into _________
HintThe fundamental units are categorized into two types they are primary and auxiliary fundamental units
83). The fundamental units in ___________ are called primary units
HintThe fundamental units in length, mass, time are called primary units
84). _____________ value is the known, actual or accepted value of the quantity
HintTrue value is the known, actual, or accepted value of the quantity
85). The result of individual measurement of the quantity is the ___________
HintThe result of individual measurement of the quantity is the measurand value
86). ________ is defined as a difference between the measured and true value
HintError is defined as a difference between the measured and true value
87). The instrument reading-true reading/true reading*100 is known as ___________
HintThe instrument reading-true reading/true reading*100 is known as percentage error
88). The mathematical analysis of various measurements is called _________
HintThe mathematical analysis of various measurements is called statistical analysis of data
89). ___________ analysis helps to determine analytically the certainty of the final test result
HintStatistical 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 it
HintResistance is the property of a material that opposes the flow of current through it
91). ________ resistances having a value from 1Ω and under
HintLow resistances having a value from 1Ω and under
92). ________ resistances having a value from 1Ω upwards to 0.1mΩ
HintMedium resistances having a value from 1Ω upwards to 0.1mΩ
93). ________ resistances having a value from greater than 0.1mΩ
HintHigh resistances having a value from greater than 0.1mΩ
94). ________ is an example for low resistance
HintResistance of connecting leads is an example for low resistance

Read more about Resistors

95). ________ is an example for high resistance
HintInsulation resistance of transformer winding is an example of high resistance
96). The various methods for measurement of high resistance are __________
HintThe 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 voltmeter
HintIn 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 __________
HintThe alternating current bridges are used for the measurement of ac resistance, inductance, and capacitance
99). All alternating current bridges are based on _____________ bridge
HintAll alternating current bridges are based on the Wheatstone bridge
100). How many arms does the alternating current bridge consists of?
HintThe alternating current bridge consists of four arms
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