Measurement And Instrumentation MCQ Questions & Answers

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Learn Measurement And Instrumentation MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Measurement And Instrumentation MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-7 section-2

Each section contains 100 MCQs on Measurement and Instrumentation .

Inductance of a coil having Q value in the range of (1 < Q < 10), can be measured by using

A) Hay's bridge B) De Sauty's bridge C) axwell's bridge D) Carry Foster's bridge

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

LVDT is a

A) Pressure transducer B) Displacement transducer C) Velocity transducer D) Acceleration transducer

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which one of the following multi range voltmeters has high and constant input impedance

A) PMMC voltmeter B) Electronic voltmeter C) Moving iron voltmeter D) Dynamometer type voltmeter

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Measurement of an unknown voltage with a dc potentiometer loses its advantage of open-circuit measurement when

A) the primary circuit battery is changed B) standardization has to be done again to compensate for drifts C) voltage is larger than the range of the potentiometer D) range reduction by a factor of 10 is employed

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Potentiometer method of dc voltage measurement is, in principle, more accurate than direct measurement of a voltage using voltmeter because.

A) it loads the circuit to the maximum extent B) it loads the circuit moderately C) it does not load the circuit at all D) it uses zero centre galvanometer instead of a voltmeter

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Current passing through a resistor of 100 ± 0.2Ω is 2.00 ± 0.01 A. Computed value of power will be

A) 400 ± 0.21W B) 400 ± 0.002W C) 400 ± 5.2W D) 400 ± 4.8W

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The current flowing in a 20 Ω resistor is given by i = 2 + 4 sin 314t. This current is measured by a hot wire ammeter. What is the measured value?

A) 2 A B) 3.46 A C) 4 A D) 2.83 A

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which type of wattmeter cannot be used for D.C.?

A) Electrostatic type B) Dynamometer type C) Induction type D) None of these

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The voltage (E₀) developed across a glass electrode for pH measurement is related to the temperature (T) by the relation

A) $${E_0} \propto \frac{1}{{{T^2}}}$$ B) $${E_0} \propto \frac{1}{T}$$ C) $${E_0} \propto T$$ D) $${E_0} \propto {T^2}$$

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In binary data transmission DPSK is preferred to PSK because

A) a coherent carrier is not required to be generated at the receiver B) for a given energy per bit, the probability of error is less C) the 180° phase shifts of the carrier are unimportant D) more protection is provided against impulse noise

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Measurement And Instrumentation MCQ Questions & Answers | ECE