Transducers, Measurement & Instrumentation-Measurement of Pressure, Flow, Temperature and Liquid Level [GATE (Graduate Aptitude Test in Engineering) Instrumentation]: Questions 1 - 5 of 5

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Question 1

Measurement of Pressure, Flow, Temperature and Liquid Level

Question

MCQ▾

Which of the following is the best method of measurement of temperature of hot bodies retaining energy in visible spectrum?

Choices

Choice (4)Response

a.

Thermistor

b.

Optical pyrometer

c.

Resistance temperature detector

d.

Thermocouple

Question 2

Measurement of Pressure, Flow, Temperature and Liquid Level

Question

MCQ▾

A strain gauge bridge measures the strain in a cantilever where the gauge is fixed, with strain , the gauge resistance increases from . If the gauge factor is 2.03, then strain in the cantilever will be.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 3

Measurement of Pressure, Flow, Temperature and Liquid Level

Question

MCQ▾

The resistance of thermistor is at and its resistance temperature coefficient is . A measurement with a load resistance of will cause An error of,

Choices

Choice (4)Response

a.

b.

c.

d.

Question 4

Measurement of Pressure, Flow, Temperature and Liquid Level

Question

MCQ▾

A quartz crystal with piezo electric properties has a diameter of 10 mm and thickness of 2 mm. its voltage sensitivity constant is . If the voltage output is 127.3V, The applied load is approximately,

Choices

Choice (4)Response

a.

100N

b.

112N

c.

101N

d.

200N

Question 5

Measurement of Pressure, Flow, Temperature and Liquid Level

Question

MCQ▾

Which of the following instruments is not a rate meter?

Choices

Choice (4)Response

a.

Pitot tube

b.

Rota meter

c.

Nutating disc

d.

Orifice plate

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