# Electrical measurements/Electrical Measurement MCQ Question Set 8 Sample Test,Sample questions

## Question: ` A successive approximation type DVM makes use _______`

1. of a digital divider

2.of an analog divider

3.of an oscillator

4.of a transducer

## Question: ` Accuracy depends on external supply.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: ` Electronic multimeter consists of a rectifier.`

1. True

2.False

3.all of the above

4.None of the mentioned

1.low

2.zero

3.high

4.medium

## Question: ` Input voltage is measured by _______`

1.using a voltmeter

2.counting pulses

3.using a multimeter

4.using an ammeter

## Question: ` Ramp type DVM uses ______`

1. a linear ramp technique

2.a non-linear ramp technique

3.an exponential ramp technique

4.an asymptotic ramp technique

1.R = 1â„10n

2.R = 1â„10

3.R =10n

4.R = 10

## Question: ` Successive approximation type DVM is based on the principle of ______`

1. acceleration of an object

2.weight of an object

3. velocity of an object

4.momentum of an object

1.clock

2. logic gates

3.counter

4. flip-flops

## Question: ` What is the role of a rectifier in a multimeter?`

1. bias purpose

2.thermal stability

3. rectification

4. inversion

1.oscillator

2.amplifier

3.mutivibrator

4.oscilloscope

## Question: `A digital voltmeter reduces parallax error.`

1.True

2.False

3.all of the above

4.None of the mentioned

1. low

2.high

3.medium

4.zero

## Question: `Application of an input voltage generates a ________`

1. linear signal at the output

2.ramp at the output

3.exponential signal at the output

4. unit step signal at the output

1.1 or 10 V

2.0.1 or 1 V

3.10 or 100 V

4. 100 or 1000 V

## Question: `D/A converter generates the set pattern successively.`

1. True

2. False

3.all of the above

4.None of the mentioned

## Question: `Digital voltmeters can be used to measure _____`

1. voltage only

2.voltage, temperature, pressure, etc

3. voltage and current

4.voltage and resistance

## Question: `Digital voltmeters converts ______`

1.analog to digital signal

2.digital to analog signal

3.current to voltage

4.resistance to voltage

1.1-3 digits

2.2-5 digits

3.3-6 digits

4.7-10 digits

## Question: `How is input voltage measured?`

1.by using a voltmeter

2.by counting the pulses

3. by using a multimeter

4.by using a transformer

## Question: `In a DVM, a signal conditioning circuit is used _____`

1. to bring current to a suitable limit

2.to bring resistance to a suitable limit

3.to bring resistance to s suitable limit

4. to bring voltage to a suitable limit

## Question: `In a DVM, a transducer converts ______`

1. input to a proportional current

2.input to a proportional power

3. input to a proportional voltage

4. input to a proportional resistance

## Question: `In a voltage to frequency converter type integrated DVM _____`

1.voltage is converted to time

2.voltage is converted to frequency

3. frequency is converted to voltage

4.frequency is converted to time

## Question: `In DVM the common mode rejection noise is eliminated by ______`

1.increasing the signal amplitude

2.making use of a resistance

3.using a transformer

4.guarding

## Question: `Input range of DVM is _____`

1.1 V to 1000 V

2.0.1 V to 10 V

3.0.01 V to 1 V

4.0.001 V to 0.1 V

1.button

2.resistance

3.attenuator

4.voltage

## Question: `Linear ramp technique is based on _____`

1.voltage measurement

2. time measurement

3.current measurement

4. resistance measurement

## Question: `Multimeter can be used as an ammeter by ____`

1.connecting series resistances

2. making use of a transducer

3. making use of a transformer

4.connecting shunts

## Question: `Multimeter can be used for D.C. voltage measurement by _____`

1. connecting series resistances

2.connecting shunt resistances

3.connecting star delta resistances

4. using a switch

## Question: `Multimeter can be used only for low resistance measurement.`

1.True

2.False

3.all of the above

4.None of the mentioned

1.attenuation

2.filtering

3.amplification

4. a transformer

## Question: `Number of pulses is related to frequency.`

1.True

2. False

3.all of the above

4.None of the mentioned

## Question: `Output in digital form canâ€™t be used directly.`

1.True

2.False

3.all of the above

4.None of the mentioned

1. 4 lines

2.2 lines

3.8 lines

4.16 lines

1.frequency

2.resistance

3.voltage

4. current

## Question: `Sawtooth pulses enter into a reversible counter.`

1.True

2.False

3.all of the above

4.None of the mentioned

## Question: `Sensitivity of a successive approximation type DVM is given by which of the following relation?`

1. S = fsmin

2.S = fsmin Ã— R

3.S = R

4. S = fsmin â„ R

## Question: `Speed of a successive approximation type DVM can be improved by making use of ______`

1.electrical switches

2.mechanical devices

3.solid state devices

4.transformers

1.Â±12 V

2.Â±10 V

3.Â±8 V

4.Â±5 V

## Question: `User must wait for a stable reading.`

1. True

2. False

3.all of the above

4.None of the mentioned

## Question: `What is a digitizing circuit?`

1.converts digital signal to analog

2.boosts the magnitude of a digital signal

3.attenuates a digital signal

4.converts analog signal to digital

## Question: `What is the effect of IC chips on DVM?`

1.increase in cost

2. increase in power

3.reduction in cost

4. increase in size

## Question: `What is the effect of the input signal on the output teeth?`

1. directly proportional

2.inversely proportional

3.independent

4.square proportional

## Question: `What is the initial setting made in a multimeter before it is used for measuring resistance?`

2.instrument is open circuited

3.voltage is applied

1.diode

2.amplifier

3.op amp

4. oscillator

## Question: `What is the role of logic control and sequencer in a successive approximation type DVM?`

1.generate analog voltage

2.generate power

3.generate current through resistance

4.generate sequence code

## Question: `What is the typical value of the multivibrator?`

1.10 cycles/second

2.0.2 cycles/second

3.50 cycles/second

4.5 cycles/second

## Question: `When input is positive, then output is?`

1. growing exponential signal

2.decaying exponential signal

3.positive going ramp

4.negative going ramp

1.op amp

2.diode

3.comparator

4. rectifier

## Question: `Which is the main device used in the linear ramp technique?`

1. exponential ramp

2.asymptotic ramp

3.non-linear ramp

4. linear ramp

## More MCQS

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