# Electrical measurements/Electrical Measurement MCQ Question Set 16 Sample Test,Sample questions

1.10 ways

2.6 ways

3.2 ways

4.4 ways

## Question: ` Capacitive pressure transducer uses distance of separation for sensing the capacitance.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: ` Commonly used photoemissive material is _______`

1. gold

2.opium

3. tellurium

4.cesium-antimony

1.2 types

2. 5 types

3.10 types

4. 20 types

## Question: ` If two different metals are joined forming a closed circuit an electric current flows.`

1. True

2.False

3.all of the above

4.None of the mentioned

1.6

2.20

3. 10

4.4

## Question: ` In kitchen applications a piezoelectric crystal is used for _____`

1. skimming milk

2. lighting a gas stove

3. grinding

4. mixing

## Question: ` Output of electrical transducer is ____`

1. inversely proportional to displacement

2.proportional to square of displacement

3.proportional to displacement

4.constant

1. 1 transducer

2.3 transducers

3.5 transducers

4.10 transducers

1. S = 1â„A

2.S = 1â„Î¼

3. S = aâ„Î¼A

4. S = 1â„Î¼A

## Question: ` Self-inductance depends on ______`

1.permeability

2.permittivity

3.plankâ€™s constant

4.rydberg constant

## Question: ` What is the relation between capacitance and input impedance?`

1. directly proportional

2.constant

3.proportional to square

4.inversely proportional

1.inductance

2.capacitance

3. resistance

4.reluctance

## Question: `A piezoelectric transducer has a _____`

1.very high sensitivity

2.low sensitivity

3. high sensitivity

4.zero sensitivity

## Question: `A piezoelectric transducer is used as an ignition source for a cigarette.`

1. True

2. False

3.all of the above

4.None of the mentioned

## Question: `A quartz crystal is _______`

1.a chemical transducer

2.a photoelectric transducer

3.not a self-generating transducer

4. a self-generating transducer

## Question: `An inductive transducer measures the variation in _____`

1.reluctance

2.resistance

3.capacitance

4.self-inductance

1.5

2.10

3.4

4.20

## Question: `Bellows have 5 to 20 convolutions.`

1. True

2.False

3.all of the above

4.None of the mentioned

## Question: `Bourdon tubes are ____`

1.very highly sensitive to shock

2.not sensitive to shock

3.less sensitive to shock

4.more sensitive to shock

## Question: `Capacitive transducer displays ____`

1. linear behaviour

2. non-linear behaviour

3.exponential behaviour

4.tangential behaviour

## Question: `Capsule type of pressure sensor consists of ______`

1.6 dissimilar diaphragms

2.4 identical diaphragms

3. 2 identical diaphragms

4.8 dissimilar diaphragms

## Question: `Chromel-constantan thermopile consists of 25 thermocouples.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: `Commonly used thermoelectric transducer is _____`

1. thermometer

2.thermocouple

3. linear variable differential transducer

4.loud speaker

## Question: `Composite capacitance consists of _________`

1. one dielectric medium

2.more than one dielectric medium

3.five dielectric media

4. ten dielectric media

## Question: `For accurate temperature measurement in a thermocouple the _____`

1.cold compensation is needed

2.hot compensation is needed

3. no compensation is needed

4. hot and cold compensations are needed

1.high

2.medium

3.low

4.zero

## Question: `In an eddy current transducer output depends on the variation in the eddy current.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: `Inductive transducer is used for the measurement of physical quantities.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: `Microphone converts light into heat.`

1. True

2. False

3.all of the above

4.None of the mentioned

1.brass

2.gold

3.platinum

4.silver

## Question: `Mutual inductance depends on ______`

1.self-inductance

2.self-inductance and coefficient of coupling

3.coefficient of coupling

4.permittivity of air

## Question: `Optical radiations involve ______`

1.optoelectric devices

2.biological devices

3.mechanical devices

4. chemical devices

## Question: `Photoconductive transducers produce output ______`

1.due to change in inductance

2.due to change in light

3. due to change in resistance

4.due to change in temperature

## Question: `Piezoelectric crystals produce ________`

1.no voltage

2.low voltage

3. high voltage

4.very high voltage

## Question: `Piezoelectric crystals _______`

1. float on water

2.dissolve in water

3.are not soluble in water

4. absorb water

## Question: `Piezoelectric transducer is used for measuring ________`

1.non-electrical quantities

2.electrical quantities

3.chemical quantities

4.any quantity

## Question: `Pressure is the _____`

1. force per unit area

2.mass per unit area

3.force per unit volume

4. mass per unit volume

## Question: `Pressure measurement devices make use of _____`

1. non-elastic member

2.elastic member

3. bendable member

4.non-bendable member

1.L = Nâ„S

2. L = 1â„S

3. L = N2â„S

4. L = N2

## Question: `Sensitivity in a capsule is increased ______`

1.through parallel connection of capsules

2.through series connection of capsules

3.through series and parallel connection of capsules

4.by not connecting them at all

## Question: `Temperature is the only consideration while selecting a diaphragm.`

1.True

2.False

3.all of the above

4.None of the mentioned

1. infinite

2.hundred

3. zero

4.ten

## Question: `Thermocouple must provide _____`

1.small thermo e.m.f

2.sufficient thermo e.m.f

3.no thermo e.m.f

4.infinite thermo e.m.f

## Question: `Thermoelectric transducer is a _____`

1.temperature transducer

2.pressure transducer

3.inductive transducer

4.capacitive transducer

## Question: `What is a thermopile?`

1. single thermocouple

2.series-parallel connection of thermocouples

3.parallel connection of thermocouples

4.series of thermocouples

## Question: `What is the relation between capacitance and output impedance?`

1.proportional to square

2.constant

3.directly proportional

4.inversely proportional

## Question: `What is the relation between the self-inductance and the reluctance of a coil?`

1.directly proportional

2.inversely proportional

3. no relation

4.constant

## Question: `When a compressive force is applied to a quartz crystal then ________`

1.positive charges are induced

2.negative charges are induced

3. no charge is induced

4.both positive and negative charges are induced

## Question: `Which of the following should satisfy for measuring higher temperatures using a thermocouple?`

1. no wire is required

2.wire must be small

3.wire must be thin

4. wire must be heavy

## More MCQS

##### Olete Team
Online Exam TestTop Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Testwebsite is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!