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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Characterize a density sensor for a particular application

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Intermediate

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1)What is the primary working principle of a resonant sensor for liquid density measurement?

a: Absorption of light Explanation

Explanation

b: Vibration of an element at its resonant frequency Explanation

Explanation

c: Measurement of electrical resistance Explanation

Explanation

d: Magnetic field fluctuation Explanation

Explanation

2)The resonant frequency of a resonant sensor changes in response to:

a: Temperature variations Explanation

Explanation

b: The density of the surrounding liquid Explanation

Explanation

c: Pressure differences Explanation

Explanation

d: Electrical interference Explanation

Explanation

3)Which element in a resonant sensor typically vibrates?

a: A piezoelectric crystal Explanation

Explanation

b: A metal wire Explanation

Explanation

c: A vibrating tube or fork Explanation

Explanation

d: A plastic membrane Explanation

Explanation

4)The change in resonant frequency in a liquid-filled vibrating tube is proportional to the:

a: Viscosity of the liquid Explanation

Explanation

b: Volume of the liquid Explanation

Explanation

c: Density of the liquid Explanation

Explanation

d: Temperature of the liquid Explanation

Explanation

5)Which of the following is a common type of resonant sensor used for liquid density measurement?

a: Capacitive sensor Explanation

Explanation

b: Optical sensor Explanation

Explanation

c: Tuning fork sensor Explanation

Explanation

d: Acoustic sensor Explanation

Explanation

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