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-2 section-2

Each section contains 100 MCQs on Measurement and Instrumentation .

A dc potentiometer is designed to measure up to about 2 V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balance at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of the test cell is

A) 1.00 V B) 1.34 V C) 1.5 V D) 1.7 V

Discuss

Answer & Solution

Answer: Option B

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

Which one of the following is the best definition of accuracy?

A) It is the measure of consistency or reproducibility of measurements B) It is the ratio of change in output signal to the change in input signal C) It is the smallest change in measurable input D) It is the closeness with which an instrument approaches the true value of the quantity being measured

Discuss

Answer & Solution

Answer: Option D

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

A coil is tuned to resonance at 500 kHz with a resonating capacitor of 36 pF. At 250 kHz, the resonance is obtained with resonating capacitor of 160 pF. What is the self-capacitance of the coil?

A) 2.66 pF B) 5.33 pF C) 8 pF D) 10.66 pF

Discuss

Answer & Solution

Answer: Option B

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

A resistance strain gauge is cemented to a steel member, which is subjected to a strain of 2 × 10^-6. If the original resistance is 100 Ω and change in resistance is 600 µΩ, the gauge factor will be

A) 3 B) 0.33 C) 300 D) 0.03

Discuss

Answer & Solution

Answer: Option A

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

The moving coil in a dynamometer wattmeter is connected

A) In series with the fixed coil B) Across the supply C) In series with the load D) Across the load

Discuss

Answer & Solution

Answer: Option B

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

The expected value of voltage across a resistor is 80 V. however, the measurement gives a value of 79 V. Then % error and relative accuracy are-

A) 1.25%, 0.9875 B) 12.5%, 0.09875 C) 0.125%, 0.009875 D) 1.025%, 0.0009875

Discuss

Answer & Solution

Answer: Option A

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

T = Ki is the torque equation of a

A) PMMC instrument B) Rectifier instrument C) Moving iron instrument D) D' Arsonval instrument

Discuss

Answer & Solution

Answer: Option D

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

Resolution of an instrument is

A) The minimum quantity it can measure B) The maximum quantity it can measure C) The maximum nonlinearity D) Ability to distinguish polarity

Discuss

Answer & Solution

Answer: Option A

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

The arrangement shown in the given figure represents an RC potentiometer for measuring ac voltage. What should be the value of C so that V₀/V_in is independent of the frequency of the input signal?
Measurement and Instrumentation mcq question image

Measurement and Instrumentation mcq question image

A) 10 µF B) 11 µF C) 0.10 µF D) 0.09 µF

Discuss

Answer & Solution

Answer: Option A

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

For the given Lissajous figure Find f_y, if f_x is 1200 Hz
Measurement and Instrumentation mcq question image

A) 1200 Hz B) 1800 Hz C) 2400 Hz D) 1600 Hz

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