Instrumentation Transducers Questions and Answers – Bio Sensors

This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Bio Sensors”.

1. SAW stands for ________________
a) Sound actuated wave
b) Surface acoustic wave
c) Sound activated wave
d) Surface activated wave
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2. Quartz can be used as bio sensors.
a) True
b) False
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3. Direction of acoustic wave in QCM will be ______________
a) Same as crystal surface
b) Opposite to crystal surface
c) Perpendicular to crystal surface
d) None of the mentioned
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4. Acoustic wave in QCM meets minimum impedance when thickness of device is __________________
a) Equal to wavelength of acoustic wave
b) Product of Half of wavelength of acoustic wave
c) Product of quarter of wavelength of acoustic wave
d) None of the mentioned
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5. Which of the following is most preferred?
a) QCM and SAW sensor
b) QCM and BAW sensor
c) QCM
d) All of the mentioned
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6. Magnetic bio sensor is wide used for ____________
a) Blood detection
b) DNA detection
c) ECG detection
d) EMG detection
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7. QCM stands for _______________
a) Quartz crystal micro balance
b) Quality control balance
c) Quartz crystal magnifier
d) None of the mentioned
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8. Changes in resonant frequency of QCM is proportional to _____________
a) Mass accumulated in crystal
b) Crystal used
c) Time of usage
d) None of the mentioned
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9. BAW stands for __________________
a) Bulk acoustic wave
b) Barrier acoustic wave
c) Barrier avoiding wave
d) Bulk activated wave
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10. Non contacting type bio sensors are ____________
a) Radiation type
b) Electromagnetic type
c) Radiation or electromagnetic type
d) None of the mentioned
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Sanfoundry Global Education & Learning Series – Instrumentation Transducers.

To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers.