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-10 section-3

Each section contains 100 MCQs on Measurement and Instrumentation .

Electrical voltage-based telemetering schemes used for short distances must necessarily have

A) Low current level only B) Small signal power only C) High signal to noise ratio $$\left( {\frac{{\text{S}}}{{\text{N}}} > > 2} \right)$$ only D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

With . . . . . . . . testing is possible to see even smallest distortions clearly on CRO.

A) triangular wave B) sine wave C) square wave D) sawtooth wave

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Answer & Solution

Answer: Option C

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

A voltmeter having symmetrical square wave shape is applied to an average reading voltmeter with scale calibrated in terms of RMS value of a sinusoidal wave has an error of:

A) -3.9% B) 3.9% C) -11% D) 11%

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Answer & Solution

Answer: Option D

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In a Q meter, an inductor turns to 2 MHz with 450 pF and to 4 MHz with 90 pF. The value of self-distributed capacitance is:

A) 20 pF B) 30 pF C) 40 pF D) 50 pF

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Answer & Solution

Answer: Option B

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

In an LVDT, there are two secondary coils which are connected for a signal output. Which one of the following is correct?

A) The coils are in series and in phase opposition B) The coils are in parallel and in phase opposition C) The coils are in series and in the same phase condition D) The coils are in parallel and in the same phase condition

Discuss

Answer & Solution

Answer: Option A

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For measuring DC value of current which meter is preferable . . . . . . . .

A) PMMC B) MI C) Dynamometer D) EMMC

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Answer & Solution

Answer: Option A

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

If a dynamometer type wattmeter is connected in an ac circuit the power indicated by the wattmeter will be

A) volt-ampere product B) average power C) peak power D) either 90 degrees or 270 degrees

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Answer & Solution

Answer: Option B

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

If power is measured using two-wattmeter method with unity power factor, then:

A) one of the wattmeters will read zero B) both the wattmeters will have the same reading C) the reading of one wattmeter will be two times the other D) one of the wattmeters will read negative

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Answer & Solution

Answer: Option B

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

A resistance strain gauge has a resistance of

A) 100 Ω B) 25 Ω C) 10 Ω D) 1 Ω

Discuss

Answer & Solution

Answer: Option A

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100

An accelerometer has a seismic mass of 0.05 kg and a spring constant of 3 × 10³ N/m. The maximum permissible displacement of the mass is ±1 mm. The maximum measurable acceleration is

A) 30 m/s² B) 60 m/s² C) 90 m/s² D) 120 m/s²

Discuss

Answer & Solution

Answer: Option B

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

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Measurement And Instrumentation MCQ Questions & Answers | ECE