# Electrical measurements/Electrical Measurement MCQ Question Set 14 Sample Test,Sample questions

1.voltage

2. current

3.digital

4. analog

## Question: ` Bonding element in a strain gauge must have ____`

1.zero insulation resistance

2. low insulation resistance

3.high insulation resistance

4.infinite insulation resistance

## Question: ` Electrical strain gauge works on the principle of ______`

1. variation of resistance

2.variation of capacitance

3. variation of inductance

4. variation of area

## Question: ` Electrical transducers are _____`

1. small and non-portable

2.large and non-portable

3.small and compact

4. large and portable

## Question: ` Errors can be minimised in some transducers through ______`

1.power compensation

2.voltage compensation

3.resistance compensation

4.temperature compensation

## Question: ` How can a transducer be used in the environment with vibrations?`

1. using shock absorbers

2.using proper grounding

3.using effective voltage

4.using a transformer

## Question: ` In electromagnetic based transduction measurand is ______`

1.converted into mechanical force

2.converted into electromotive force

3.converted into chemical force

4.converted into physical force

## Question: ` Inductive transduction involves _______`

1.change in self inductance

2. change in capacitance

3.change in mutual inductance

4.change in resistance

## Question: ` Resistance potentiometers convert mechanical displacement into _____`

1.electrical signal

2. chemical signal

3.physical output

4.kinetic energy

## Question: ` Strain gauge is a _______`

1. inductive transducer

2.resistive transducer

3.capacitive transducer

4.mechanical transducer

## Question: ` Strain is defined as ____`

1. change in height per unit height

2.change in weight per unit weight

3.change in length per unit length

4.change in diameter per unit diameter

1.medium

2.narrow

3. large

4. zero

## Question: ` Transducers must operate under _______`

1.zero electromagnetic field

2. constant electromagnetic fields

3.varying electromagnetic fields

4. infinite electromagnetic field

## Question: `A transducer must be _____`

1. quick in response

2.slow in response

3.medium in response

4. very slow in response

## Question: `Accuracy is defined as the closeness that a reading approaches with respect to a standard value.`

1.True

2.False

3.all of the above

4.None of the mentioned

1. 4 types

2.2 types

3. 6 types

4.8 types

## Question: `Active transducers develops _________`

1. mechanical parameter

2.electrical parameter

3.chemical parameter

4.physical parameter

## Question: `Capacitive transduction involves _______`

1.change in resistance

2. change in inductance

3.change in resistance

4.change in capacitance

1.4 types

2.2 types

3.6 types

4.8 types

## Question: `Commonly used elements for wire strain gauges are _____`

1.nickel and copper

2.nickel and gold

3.gold and brass

4.silver and aluminium

## Question: `Digital transducers produce analog output.`

1. True

2.False

3.all of the above

4.None of the mentioned

## Question: `Dynamic strain measurements use ______`

1.brass iron alloy

2. iron aluminium alloy

4.nickel chromium alloy

## Question: `Electrical transducers are costly.`

1. True

2.False

3.all of the above

4.None of the mentioned

## Question: `How do passive transducers develop electrical signals?`

1.using a transformer

2.using internal source

3. using external source

4.using a diode

1.1

2.3

3.5

4.7

## Question: `Inverse transducer converts electrical into a physical quantity.`

1.True

2. False

3.all of the above

4.None of the mentioned

## Question: `Mechanical transducers cause ___`

1.power loss

2.hysteresis loss

3.eddy current loss

4.frictional loss

## Question: `Passive transducers are described with their primary parameters.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: `Photovoltaic transduction involves _______`

1.voltage generation heat

2.voltage generation through sound

3. voltage generation through light

4. voltage generation current

## Question: `Potentiometric resistance transducer measures ______`

1. linear displacement

2. rectangular displacement

3.square displacement

4. triangular displacement

1.strain

2.stress

3. bonding

4.length of wire

1.R = Iâ„A

2.R = Ïâ„A

3.R = Ïlâ„A

4. R = 1â„A

## Question: `Resistance potentiometer consists of ______`

1. capacitive element

2. resistive element

3. inductive element

4.no elements

## Question: `Resistance transducer has _____`

1.medium efficiency

2. low efficiency

3. high efficiency

4. zero efficiency

## Question: `Rotational potentiometers use ________`

1.capacitance

2.self inductance

3.mutual inductance

4. resistance

## Question: `Selection of a transducer depends on the quantity being measured.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: `Sensitivity is the smallest value of measurable strain.`

1. True

2.False

3.all of the above

4.None of the mentioned

## Question: `Stress is defined as _________`

1.diameter per unit area

2.length per unit area

3.weight per unit area

4.force per unit area

## Question: `Stress vs strain curve is always linear.`

1. True

2. False

3.all of the above

4.None of the mentioned

## Question: `Temperature transducers make use of _____`

1. change in resistivity

2.change in length

3.change in area

4.change in capacitance

1. low

2.medium

3. high

4.zero

## Question: `The output of a transducer must _______`

1.be different at different environment conditions

2.be same at all environment conditions

3.be same at some environment conditions

4.be zero always

## Question: `The output of a transducer must ________`

1.be less reliable

2.be highly reliable

3.not be reliable

4.be of medium reliability

1.maximum

2.minimum

3.zero

4.infinite

## Question: `The sensitivity of an electrical transducer is obtained by dividing the electrical output with respect to a unit change in the physical quantity.`

1.True

2.False

3.all of the above

4.None of the mentioned

1.infinite

2. zero

3. large

4. small

## Question: `The strain gauge is not bonded to the specimen.`

1.True

2.False

3.all of the above

4.None of the mentioned

1. exponential

2.unit step

3. non-linear

4.linear

## Question: `What is a helipot?`

1. inductive element

2.helicopter