176 + Interview Questions in Transducers in Electrical Measurements Page 2 InterviewSolution

51.	Sensitivity in a capsule is increased ________(a) through parallel connection of capsules(b) through series connection of capsules(c) through series and parallel connection of capsules(d) by not connecting them at allI have been asked this question at a job interview.I'm obligated to ask this question of Pressure Sensor topic in division Transducers of Electrical Measurements
Answer» The correct option is (b) through series connection of capsules The explanation is: CAPSULE is a type of pressure SENSOR. In a capsule, we can increase the sensitivity by CONNECTING two or more capsules in series. The resultant DISPLACEMENT is equal to the NUMBER of capsules.

Discussion

52.	Bellows have 5 to 20 convolutions.(a) True(b) FalseThe question was posed to me at a job interview.My enquiry is from Pressure Sensor topic in section Transducers of Electrical Measurements
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Discussion

53.	Bourdon tubes are ________(a) very highly sensitive to shock(b) not sensitive to shock(c) less sensitive to shock(d) more sensitive to shockThe question was asked during an interview.This key question is from Pressure Sensor topic in portion Transducers of Electrical Measurements
Answer» The correct option is (d) more SENSITIVE to SHOCK Explanation: Bourdon TUBE is one type of pressure sensor. It is more sensitive to shock and vibrations as compared to DIAPHRAGMS. Bourdon tube can be used for precision measurements of pressure up to 3 MN/m^2.

Discussion

54.	Capsule type of pressure sensor consists of ________(a) 6 dissimilar diaphragms(b) 4 identical diaphragms(c) 2 identical diaphragms(d) 8 dissimilar diaphragmsThis question was posed to me in an online quiz.My doubt is from Pressure Sensor topic in section Transducers of Electrical Measurements
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Discussion

55.	Diaphragms in a pressure sensor are of ________(a) 2 types(b) 5 types(c) 10 types(d) 20 typesThis question was posed to me at a job interview.Origin of the question is Pressure Sensor in section Transducers of Electrical Measurements
Answer» RIGHT choice is (a) 2 TYPES For EXPLANATION: GENERALLY in a pressure sensor we have four pressure sensitive devices. Diaphragm is a type of a pressure sensitive device. They are of two types: • Flat type • Corrugated type.

Discussion

56.	Temperature is the only consideration while selecting a diaphragm.(a) True(b) FalseI have been asked this question in an online quiz.The origin of the question is Pressure Sensor in portion Transducers of Electrical Measurements
Answer»

Discussion

57.	In general how many pressure sensitive devices are there?(a) 6(b) 20(c) 10(d) 4This question was posed to me in exam.Enquiry is from Pressure Sensor topic in section Transducers of Electrical Measurements
Answer» The correct CHOICE is (d) 4 To explain: Usually there are FOUR pressure sensitive devices. They are as follows: • Diaphragms • Capsule • BOURDON tube • BELLOWS.

Discussion

58.	Output of electrical transducer is ________(a) inversely proportional to displacement(b) proportional to square of displacement(c) proportional to displacement(d) constantThe question was asked during a job interview.My question comes from Pressure Sensor topic in chapter Transducers of Electrical Measurements
Answer» The CORRECT answer is (c) proportional to DISPLACEMENT The best EXPLANATION: The OUTPUT of an electrical transducer is proportional to displacement. Displacement is measured using electrical transducers.

Discussion

59.	Pressure measurement devices make use of ________(a) non-elastic member(b) elastic member(c) bendable member(d) non-bendable memberThis question was addressed to me in homework.This question is from Pressure Sensor topic in section Transducers of Electrical Measurements
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Discussion

60.	Pressure is the _________(a) force per unit area(b) mass per unit area(c) force per unit volume(d) mass per unit volumeThe question was asked at a job interview.This intriguing question originated from Pressure Sensor in chapter Transducers of Electrical Measurements
Answer» Right CHOICE is (a) FORCE per unit area To EXPLAIN I would say: Pressure at a point is DEFINED as the force acting per unit area. It is measured at some given point over a SURFACE.

Discussion

61.	Thermistor has low resistance.(a) True(b) FalseI had been asked this question during an online interview.My question is based upon Thermistor in chapter Transducers of Electrical Measurements
Answer» Right option is (b) False The best explanation: Thermistor generally has a very high VALUE of resistance. CABLES with SHIELD are required to be USED for minimising interference.

Discussion

62.	At small values of voltage, a thermistor ________(a) reaches peak current slowly(b) reaches peak current immediately(c) does not reaches peak current(d) reaches peak current intermediatelyThe question was posed to me during an interview.My question is from Thermistor in chapter Transducers of Electrical Measurements
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Discussion

63.	Thermistor follows which law for small variations ________(a) Charle’s law(b) KVL(c) KCL(d) Ohm’s lawThis question was addressed to me in an online quiz.I'm obligated to ask this question of Thermistor topic in division Transducers of Electrical Measurements
Answer» The correct OPTION is (d) Ohm’s law To explain I would say: For small changes in the values of current, voltage across a thermistor increases. It ATTAINS a peak value. Then the voltage across the thermistor decreases. As a RESULT Ohm’s law is followed at small variations of current.

Discussion

64.	Thermistor material is pressed ________(a) under zero pressure(b) under low pressure(c) under high pressure(d) under low volumeThe question was asked in an online quiz.My enquiry is from Thermistor topic in portion Transducers of Electrical Measurements
Answer» The correct answer is (c) under HIGH pressure Explanation: A THERMISTOR material is usually pressed under high pressure to form a FLAT cylindrical shape. Disks and washers are placed in series or in parallel to INCREASE the power dissipation.

Discussion

65.	Change in resistance is measured using a ________(a) Anderson’s bridge(b) Wheatstone’s bridge(c) Hay’s bridge(d) Maxwell’s bridgeI have been asked this question in an interview for internship.My query is from Thermistor in portion Transducers of Electrical Measurements
Answer» Correct answer is (b) WHEATSTONE’s bridge The EXPLANATION: The change in RESISTANCE in a thermistor is MEASURED using a Wheatstone’s bridge. It is used for MEASUREMENT of resistance in the range of -100°C to +200°C.

Discussion

66.	Thermistors are suited for precision temperature measurements.(a) True(b) FalseI got this question by my school teacher while I was bunking the class.The origin of the question is Thermistor in chapter Transducers of Electrical Measurements
Answer» Right ANSWER is (a) True Easiest explanation: THERMISTORS can be used for precision MEASUREMENT of temperature, controlling g temperature and for temperature compensation DUE to a very LARGE variation in resistance with temperature.

Discussion

67.	Thermistors have ________(a) positive temperature coefficient(b) negative temperature coefficient(c) zero temperature coefficient(d) infinite temperature coefficientI had been asked this question in homework.Question is from Thermistor topic in division Transducers of Electrical Measurements
Answer» The CORRECT choice is (b) negative TEMPERATURE coefficient The BEST I can explain: Thermistor generally has a negative temperature coefficient of RESISTANCE. With an increase in temperature, resistance of a thermistor DECREASES.

Discussion

68.	Thermistor has a resistance of ________(a) 250 ῼ to 500 kῼ(b) 50 ῼ to 10 kῼ(c) 1 ῼ to 1 kῼ(d) 100 ῼ to 100 kῼThe question was posed to me in a national level competition.I want to ask this question from Thermistor in division Transducers of Electrical Measurements
Answer» Correct option is (d) 100 ῼ to 100 kῼ The best explanation: THERMISTOR has a RESISTANCE range of 100 ῼ to 100 kῼ. Thermistor consists of a mixture of metallic OXIDES of manganese, nickel, cobalt, COPPER, iron and URANIUM.

Discussion

69.	Thermistors ________(a) sense large changes in temperature(b) cannot sense any change in temperature(c) sense small changes in temperature(d) have a positive temperature coefficient of resistanceI had been asked this question in an online quiz.This intriguing question originated from Thermistor in chapter Transducers of Electrical Measurements
Answer» Correct CHOICE is (c) sense small changes in temperature Explanation: THERMISTORS can sense very small changes in temperature. The NEGATIVE temperature coefficient of thermistors can be a few percent/degree celcius change in temperature.

Discussion

70.	Thermistor is a contraction _________(a) thermal resistor(b) laser resistor(c) electric resistor(d) mechanical resistorThis question was addressed to me in an interview for job.This intriguing question comes from Thermistor topic in chapter Transducers of Electrical Measurements
Answer» Correct answer is (a) thermal resistor To explain I WOULD SAY: Thermistor is basically the short FORM of a thermal resistor. Resistors which depend on temperature are KNOWN as thermal resistors.

Discussion

71.	How can corrosion be prevented in a resistance thermometer?(a) by immersing the setup in oil(b) by enclosing the elements in a glass tube(c) by using guard rings(d) by painting the elementsI had been asked this question in quiz.This intriguing question comes from Resistance Temperature Detector in section Transducers of Electrical Measurements
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Discussion

72.	Nickel and its alloys can be used over a temperature range of ________(a) 100 to 450 K(b) 10 to 50 K(c) 0 to 25 K(d) 5 to 15 KThis question was posed to me in semester exam.My question is based upon Resistance Temperature Detector in portion Transducers of Electrical Measurements
Answer» Correct answer is (a) 100 to 450 K For explanation: Temperature sensors constructed USING nickel and its alloys can be used in the temperature RANGE of 100 to 450 K. Compared to platinum, they are LESS expensive. They have a comparatively higher temperature COEFFICIENT that increases with temperature.

Discussion

73.	In a temperature sensing element ________(a) low value of α is required(b) infinite value of α is required(c) α must be zero(d) high value of α is requiredI have been asked this question in an interview.The doubt is from Resistance Temperature Detector in chapter Transducers of Electrical Measurements
Answer» The CORRECT choice is (d) high value of α is REQUIRED The BEST I can explain: In order to achieve a LARGE change in the value of resistance for a SMALL change in the value of temperature, high value of α is required. Change in resistance is measured through a Wheatstone’s bridge.

Discussion

74.	If the sensing element is large, then less amount of heat is required.(a) True(b) FalseThis question was addressed to me at a job interview.My question comes from Resistance Temperature Detector topic in division Transducers of Electrical Measurements
Answer» The correct choice is (b) False To explain I WOULD say: When the sensing element in a resistance thermometer is small in size, then LESS quantity of heat is REQUIRED to raise the temperature. PLATINUM, nickel and copper are the commonly used metals for measuring temperature.

Discussion

75.	Most metallic conductors have a ________(a) neutral temperature coefficient of resistance(b) negative temperature coefficient of resistance(c) positive temperature coefficient of resistance(d) zero temperature coefficient of resistanceI had been asked this question in homework.The above asked question is from Resistance Temperature Detector topic in section Transducers of Electrical Measurements
Answer» RIGHT option is (c) positive temperature coefficient of resistance Easiest EXPLANATION: In general metallic conductors have a positive temperature coefficient of resistance. The resistance increases with an INCREASE in temperature.

Discussion

76.	Resistance thermometer provides the change in electrical resistance.(a) True(b) FalseI got this question by my school teacher while I was bunking the class.I want to ask this question from Resistance Temperature Detector topic in division Transducers of Electrical Measurements
Answer» CORRECT CHOICE is (a) True Explanation: A resistance thermometer PROVIDES a change in the electrical resistance with respect to a variation in the temperature. Basically resistance thermometers work on the PRINCIPLE of change in the electrical resistance with variation in the temperature.

Discussion

77.	Relation between temperature and resistance of a conductor is ________(a) Rt = Rref [1+t](b) Rt = Rref [1+α∆t](c) Rt = Rref [1-αt](d) Rt = Rref [1-t]The question was asked in class test.My doubt stems from Resistance Temperature Detector topic in section Transducers of Electrical Measurements
Answer» CORRECT choice is (B) RT = Rref [1+α∆t] To explain I would say: The RELATIONSHIP between temperature and resistance of a conductor is given by Rt = Rref [1+α∆t] where, Rt is the resistance of the conductor at t°C. Rref is the resistance of the conductor at reference temperature α is the temperature coefficient of resistance ∆t is the difference between the temperature being MEASURED and the reference temperature.

Discussion

78.	Platinum is used for industrial applications because ________(a) it is cheap(b) it is available readily(c) it is a noble metal(d) it gives accurate measurementsI had been asked this question during an online exam.The query is from Resistance Temperature Detector topic in section Transducers of Electrical Measurements
Answer» Correct choice is (d) it gives ACCURATE measurements To explain: In INDUSTRIAL APPLICATIONS, platinum is used DUE to its accuracy in providing measurements. It is also reproducible. Platinum element can be used for the MEASUREMENT of temperatures of about 1000 K.

Discussion

79.	Sensing element in the thermometer must provide ________(a) small change in resistance(b) no change in resistance(c) large change in resistance(d) infinite change in resistanceThe question was asked in an internship interview.My question is taken from Resistance Temperature Detector topic in portion Transducers of Electrical Measurements
Answer» Correct choice is (c) large CHANGE in RESISTANCE The EXPLANATION is: The sensing ELEMENT in a thermometer must give a large change in the resistance for a given change in the temperature.

Discussion

80.	Resistance temperature detector is ___________(a) a electrical transducer(b) a mechanical transducer(c) a chemical transducer(d) a physical transducerI had been asked this question in an international level competition.Question is from Resistance Temperature Detector in portion Transducers of Electrical Measurements
Answer» Correct answer is (a) a electrical transducer For EXPLANATION I would SAY: Resistance temperature detector is an electrical transducer. It is USED for measuring the variation in temperature. It is ALSO KNOWN as a resistance thermometer.

Discussion

81.	Mass of only about 20 kg can be measured by a load cell.(a) True(b) FalseI have been asked this question during an online interview.My question is based upon Strain Gauge Measurement Technique topic in section Transducers of Electrical Measurements
Answer» Correct option is (b) False Easiest explanation: Using a load cell a mass or weight of the ORDER of 20 kg to 20,000 kg can be MEASURED. By making use of appropriate load cells we can MEASURE forces as high as 5 MN.

Discussion

82.	Load cell is sensitive to minute strains.(a) True(b) FalseI have been asked this question in unit test.Enquiry is from Strain Gauge Measurement Technique in section Transducers of Electrical Measurements
Answer» Right option is (a) True Easiest explanation: A load cell responds to very MINUTE VARIATION in the value of STRAIN. It is sensitive to high VALUES of the load.

Discussion

83.	Load cells are calibrated such that _______(a) force varies inversely with resistance(b) force varies as the square of resistance(c) force remains constant with resistance(d) force varies directly with resistanceI have been asked this question in a national level competition.This intriguing question comes from Strain Gauge Measurement Technique in chapter Transducers of Electrical Measurements
Answer» The CORRECT option is (d) force varies directly with RESISTANCE The best I can explain: The load CELLS in a semiconductor strain gauge are calibrated in such a way that the force or weight varies directly as the resistance. The strain gauge is ARRANGED in the FORM of a bridge.

Discussion

84.	A Wheatstone bridge has _______(a) low sensitivity(b) zero sensitivity(c) high sensitivity(d) infinite sensitivityThe question was asked in an international level competition.I'd like to ask this question from Strain Gauge Measurement Technique in division Transducers of Electrical Measurements
Answer» RIGHT option is (c) HIGH sensitivity To explain: A Wheatstone bridge circuit has a high sensitivity for detecting very small variation in the values of RESISTANCE. We can connect the strain gauge in one of the arms of a Wheatstone bridge and measure the strain in TERMS of variation in resistance.

Discussion

85.	Metals in strain gauge construction have_______(a) non-linear temperature coefficient(b) linear temperature coefficient(c) tangential temperature coefficient(d) exponential temperature coefficientI have been asked this question in unit test.I'd like to ask this question from Strain Gauge Measurement Technique topic in portion Transducers of Electrical Measurements
Answer» Correct answer is (B) linear temperature coefficient Easy EXPLANATION: The METALS USED in a strain gauge construction have a linear temperature coefficient. A change in the temperature affects the resistance and varies the value of strain.

Discussion

86.	A semiconductor strain gauge consists of how many dummy gauges?(a) 2(b) 4(c) 6(d) 10I got this question during an online exam.The doubt is from Strain Gauge Measurement Technique topic in section Transducers of Electrical Measurements
Answer» Right OPTION is (a) 2 Explanation: The semiconductor strain gauge CONSISTS of TWO dummy GAUGES in the form of two arms of the Wheatstone bridge circuit. Dummy gauges are USED for temperature compensation.

Discussion

87.	Semiconductor strain gauge uses _______(a) rectifier circuitry(b) power electronics circuitry(c) ordinary bridge circuit(d) bridge circuit with temperature compensationThe question was posed to me by my school teacher while I was bunking the class.The origin of the question is Strain Gauge Measurement Technique topic in section Transducers of Electrical Measurements
Answer» Right option is (d) BRIDGE circuit with TEMPERATURE compensation Explanation: The semiconductor strain gauge makes use of a WHEATSTONE practical bridge circuit along with temperature compensation. OUTPUT is MADE linear as the resistance characteristics with respect to strain are non-linear.

Discussion

88.	Strain is a _______(a) fractional change in volume(b) fractional change in area(c) fractional change in length(d) fractional change in heightThis question was posed to me in exam.My question is based upon Strain Gauge Measurement Technique topic in chapter Transducers of Electrical Measurements
Answer» Correct CHOICE is (c) fractional change in length The explanation is: Strain is defined as the fractional change in length of a BODY. A change in resistance of the element is REFLECTED in the form of strain of the GAUGE as well as the element.

Discussion

89.	Load cell is used for the measurement of _______(a) area(b) force(c) mass(d) lengthThe question was asked in class test.My question is based upon Strain Gauge Measurement Technique in chapter Transducers of Electrical Measurements
Answer» Correct ANSWER is (b) force For explanation I would say: The LOAD CELL is used in a semiconductor STRAIN gauge for the measurement of force. Load CELLS measure the deformation that is produced by force or weight.

Discussion

90.	Strain gauge measurement involves __________(a) Wheatstone bridge(b) Kelvin bridge(c) De Sauty’s bridge(d) Anderson bridgeThis question was posed to me by my school teacher while I was bunking the class.This interesting question is from Strain Gauge Measurement Technique topic in portion Transducers of Electrical Measurements
Answer» Right ANSWER is (a) Wheatstone bridge For EXPLANATION: STRAIN gauge makes use of the practical FORM of Wheatstone’s bridge to measure the strain developed by an element.

Discussion

91.	Hysteresis characteristics of a semiconductor strain gauge are poor.(a) True(b) FalseI have been asked this question in an interview.Question is from Characteristics of Resistance Wire Strain Gauge topic in division Transducers of Electrical Measurements
Answer» Right OPTION is (b) False The EXPLANATION: The hysteresis characteristics for a SEMICONDUCTOR STRAIN gauge are EXCELLENT. It is less than 0.05 %.

Discussion

92.	Gauge factor for a semiconductor strain gauge is _______(a) 130 ± 10%(b) 30 ± 10%(c) 200 ± 10%(d) 10 ± 10%I have been asked this question during an interview.I want to ask this question from Characteristics of Resistance Wire Strain Gauge in chapter Transducers of Electrical Measurements
Answer» The CORRECT choice is (a) 130 ± 10% Explanation: The gauge factor for a typical semiconductor STRAIN gauge is about 130 ± 10% for 350 ῼ. The gauge factor is measured at the room temperature. The gauge MEASURES SMALL STRAINS from 0.1 to 500 microstrains.

Discussion

93.	In metallic gauges resistance changes due to _______(a) temperature(b) current(c) voltage(d) dimensionI have been asked this question in examination.The origin of the question is Characteristics of Resistance Wire Strain Gauge in chapter Transducers of Electrical Measurements
Answer» Correct choice is (d) dimension To explain I WOULD say: The resistance varies in metallic GAUGES due to a CHANGE in the dimensions of the metallic gauge. Germanium and SILICON are the materials used in metallic gauges.

Discussion

94.	Strain gauge works on the principle of _______(a) piezo-electric effect(b) barkhausen criterion(c) piezo- resistive effect(d) feedback element effectI got this question by my college director while I was bunking the class.This interesting question is from Characteristics of Resistance Wire Strain Gauge topic in chapter Transducers of Electrical Measurements
Answer» Right choice is (C) PIEZO- resistive effect Explanation: A semiconductor strain gauge works on the PRINCIPLE of piezo-resistive effect. Piezo-resistive effect is the change in the value of the resistance due to a change in the resistivity of the semiconductor.

Discussion

95.	Semiconductor strain gauges are used for _______(a) low gauge factor values(b) high gauge factor values(c) zero gauge factor value(d) infinite gauge factor valueThe question was asked in my homework.I want to ask this question from Characteristics of Resistance Wire Strain Gauge topic in section Transducers of Electrical Measurements
Answer»

Discussion

96.	Strain gauge has a _______(a) low temperature coefficient of resistance(b) high temperature coefficient of resistance(c) zero temperature coefficient of resistance(d) infinite temperature coefficient of resistanceI had been asked this question by my college professor while I was bunking the class.Question is taken from Characteristics of Resistance Wire Strain Gauge topic in chapter Transducers of Electrical Measurements
Answer» Correct CHOICE is (a) low temperature coefficient of RESISTANCE Easiest explanation: The strain GAUGE has a low temperature coefficient of resistance. Due to temperature variation, ERRORS can be MINIMISED in this way. In most of the strain gauges, temperature compensation is provided.

Discussion

97.	Resistance of the strain gauge must be _______(a) zero(b) small(c) large(d) mediumI have been asked this question in examination.This interesting question is from Characteristics of Resistance Wire Strain Gauge topic in division Transducers of Electrical Measurements
Answer» The correct answer is (c) LARGE The best EXPLANATION: The resistance of a strain gauge must be large. Typical resistance values for a strain gauge are in the range of 120 ῼ, 350 ῼ, and 1000 ῼ.

Discussion

98.	Strain gauges are used for _______(a) small scale measurements(b) dynamic measurements(c) static measurements(d) large scale measurementsThis question was addressed to me during an online interview.This is a very interesting question from Characteristics of Resistance Wire Strain Gauge in division Transducers of Electrical Measurements
Answer» The CORRECT answer is (b) dynamic MEASUREMENTS Easiest explanation: STRAIN gauges are used for dynamic measurements. The frequency response must be better. The characteristics must be LINEAR over the entire frequency RANGE.

Discussion

99.	Gauge factor in a strain gauge must be ________(a) high(b) low(c) medium(d) smallI got this question during an online exam.I want to ask this question from Characteristics of Resistance Wire Strain Gauge topic in division Transducers of Electrical Measurements
Answer» The correct choice is (a) high Easiest explanation: The GAUGE factor in a STRAIN gauge must be high. A LARGE value of gauge factor indicates a large CHANGE in the value of resistance for a particular strain.

Discussion

100.	Etched foil strain gauges are flexible.(a) True(b) FalseI have been asked this question in exam.Origin of the question is Types of Strain Gauges in chapter Transducers of Electrical Measurements
Answer» Right choice is (a) True For explanation: ETCHED foil strain gauges are a type of foil strain gauge. Compared to RESISTANCE wire gauges, they can be made thinner. They are also flexible. Etched foil strain gauges are made USE o curved SURFACES.

Discussion

Explore topic-wise InterviewSolutions in .

Bellows have 5 to 20 convolutions.(a) True(b) FalseThe question was posed to me at a job interview.My enquiry is from Pressure Sensor topic in section Transducers of Electrical Measurements

Bourdon tubes are ________(a) very highly sensitive to shock(b) not sensitive to shock(c) less sensitive to shock(d) more sensitive to shockThe question was asked during an interview.This key question is from Pressure Sensor topic in portion Transducers of Electrical Measurements

Capsule type of pressure sensor consists of ________(a) 6 dissimilar diaphragms(b) 4 identical diaphragms(c) 2 identical diaphragms(d) 8 dissimilar diaphragmsThis question was posed to me in an online quiz.My doubt is from Pressure Sensor topic in section Transducers of Electrical Measurements

Diaphragms in a pressure sensor are of ________(a) 2 types(b) 5 types(c) 10 types(d) 20 typesThis question was posed to me at a job interview.Origin of the question is Pressure Sensor in section Transducers of Electrical Measurements

Temperature is the only consideration while selecting a diaphragm.(a) True(b) FalseI have been asked this question in an online quiz.The origin of the question is Pressure Sensor in portion Transducers of Electrical Measurements

In general how many pressure sensitive devices are there?(a) 6(b) 20(c) 10(d) 4This question was posed to me in exam.Enquiry is from Pressure Sensor topic in section Transducers of Electrical Measurements

Pressure measurement devices make use of ________(a) non-elastic member(b) elastic member(c) bendable member(d) non-bendable memberThis question was addressed to me in homework.This question is from Pressure Sensor topic in section Transducers of Electrical Measurements

Pressure is the _________(a) force per unit area(b) mass per unit area(c) force per unit volume(d) mass per unit volumeThe question was asked at a job interview.This intriguing question originated from Pressure Sensor in chapter Transducers of Electrical Measurements

Thermistor has low resistance.(a) True(b) FalseI had been asked this question during an online interview.My question is based upon Thermistor in chapter Transducers of Electrical Measurements

Thermistor follows which law for small variations ________(a) Charle’s law(b) KVL(c) KCL(d) Ohm’s lawThis question was addressed to me in an online quiz.I'm obligated to ask this question of Thermistor topic in division Transducers of Electrical Measurements

Thermistor material is pressed ________(a) under zero pressure(b) under low pressure(c) under high pressure(d) under low volumeThe question was asked in an online quiz.My enquiry is from Thermistor topic in portion Transducers of Electrical Measurements

Change in resistance is measured using a ________(a) Anderson’s bridge(b) Wheatstone’s bridge(c) Hay’s bridge(d) Maxwell’s bridgeI have been asked this question in an interview for internship.My query is from Thermistor in portion Transducers of Electrical Measurements

Thermistors are suited for precision temperature measurements.(a) True(b) FalseI got this question by my school teacher while I was bunking the class.The origin of the question is Thermistor in chapter Transducers of Electrical Measurements

Thermistors have ________(a) positive temperature coefficient(b) negative temperature coefficient(c) zero temperature coefficient(d) infinite temperature coefficientI had been asked this question in homework.Question is from Thermistor topic in division Transducers of Electrical Measurements

Thermistor has a resistance of ________(a) 250 ῼ to 500 kῼ(b) 50 ῼ to 10 kῼ(c) 1 ῼ to 1 kῼ(d) 100 ῼ to 100 kῼThe question was posed to me in a national level competition.I want to ask this question from Thermistor in division Transducers of Electrical Measurements

Thermistor is a contraction _________(a) thermal resistor(b) laser resistor(c) electric resistor(d) mechanical resistorThis question was addressed to me in an interview for job.This intriguing question comes from Thermistor topic in chapter Transducers of Electrical Measurements

Nickel and its alloys can be used over a temperature range of ________(a) 100 to 450 K(b) 10 to 50 K(c) 0 to 25 K(d) 5 to 15 KThis question was posed to me in semester exam.My question is based upon Resistance Temperature Detector in portion Transducers of Electrical Measurements

If the sensing element is large, then less amount of heat is required.(a) True(b) FalseThis question was addressed to me at a job interview.My question comes from Resistance Temperature Detector topic in division Transducers of Electrical Measurements

Resistance thermometer provides the change in electrical resistance.(a) True(b) FalseI got this question by my school teacher while I was bunking the class.I want to ask this question from Resistance Temperature Detector topic in division Transducers of Electrical Measurements

Relation between temperature and resistance of a conductor is ________(a) Rt = Rref [1+t](b) Rt = Rref [1+α∆t](c) Rt = Rref [1-αt](d) Rt = Rref [1-t]The question was asked in class test.My doubt stems from Resistance Temperature Detector topic in section Transducers of Electrical Measurements

Mass of only about 20 kg can be measured by a load cell.(a) True(b) FalseI have been asked this question during an online interview.My question is based upon Strain Gauge Measurement Technique topic in section Transducers of Electrical Measurements

Load cell is sensitive to minute strains.(a) True(b) FalseI have been asked this question in unit test.Enquiry is from Strain Gauge Measurement Technique in section Transducers of Electrical Measurements

A Wheatstone bridge has _______(a) low sensitivity(b) zero sensitivity(c) high sensitivity(d) infinite sensitivityThe question was asked in an international level competition.I'd like to ask this question from Strain Gauge Measurement Technique in division Transducers of Electrical Measurements

A semiconductor strain gauge consists of how many dummy gauges?(a) 2(b) 4(c) 6(d) 10I got this question during an online exam.The doubt is from Strain Gauge Measurement Technique topic in section Transducers of Electrical Measurements

Strain is a _______(a) fractional change in volume(b) fractional change in area(c) fractional change in length(d) fractional change in heightThis question was posed to me in exam.My question is based upon Strain Gauge Measurement Technique topic in chapter Transducers of Electrical Measurements

Load cell is used for the measurement of _______(a) area(b) force(c) mass(d) lengthThe question was asked in class test.My question is based upon Strain Gauge Measurement Technique in chapter Transducers of Electrical Measurements

Hysteresis characteristics of a semiconductor strain gauge are poor.(a) True(b) FalseI have been asked this question in an interview.Question is from Characteristics of Resistance Wire Strain Gauge topic in division Transducers of Electrical Measurements

Gauge factor for a semiconductor strain gauge is _______(a) 130 ± 10%(b) 30 ± 10%(c) 200 ± 10%(d) 10 ± 10%I have been asked this question during an interview.I want to ask this question from Characteristics of Resistance Wire Strain Gauge in chapter Transducers of Electrical Measurements

In metallic gauges resistance changes due to _______(a) temperature(b) current(c) voltage(d) dimensionI have been asked this question in examination.The origin of the question is Characteristics of Resistance Wire Strain Gauge in chapter Transducers of Electrical Measurements

Resistance of the strain gauge must be _______(a) zero(b) small(c) large(d) mediumI have been asked this question in examination.This interesting question is from Characteristics of Resistance Wire Strain Gauge topic in division Transducers of Electrical Measurements

Gauge factor in a strain gauge must be ________(a) high(b) low(c) medium(d) smallI got this question during an online exam.I want to ask this question from Characteristics of Resistance Wire Strain Gauge topic in division Transducers of Electrical Measurements

Etched foil strain gauges are flexible.(a) True(b) FalseI have been asked this question in exam.Origin of the question is Types of Strain Gauges in chapter Transducers of Electrical Measurements