Instrumentation Transducers Mock Test 10

10%

Question 1 of 10

1. All bodies behave as source of _______________

Electromagnetic radiation

Ultra violet radiation

None of the mentioned

IR radiation

Question 1 of 10

Question 2 of 10

2. Fibre optic tomography is used in particle size ______________

Up to 100nm

Less than 10um

Less than 100um

Up to 1000nm

Question 2 of 10

Question 3 of 10

3. Resting potential is always negative.

False

True

Question 3 of 10

Question 4 of 10

4. Which of the following is not poisonous to humans?

None of the mentioned

HCl

Stack gases

Flue gases

Question 4 of 10

Question 5 of 10

5. IR thermograph is also known as_______________

None of the mentioned

Thermogram

Heat thermograph

Thermogram

Question 5 of 10

Question 6 of 10

6. Acoustic wave in QCM meets minimum impedance when thickness of device is __________________

Equal to wavelength of acoustic wave

Product of Half of wavelength of acoustic wave

None of the mentioned

Product of quarter of wavelength of acoustic wave

Question 6 of 10

Question 7 of 10

7. Which of the following represents emission spectra?

Line spectra

All of the mentioned

Band spectra

Continuous spectra

Question 7 of 10

Question 8 of 10

8. Direction of acoustic wave in QCM will be ______________

Perpendicular to crystal surface

Same as crystal surface

None of the mentioned

Opposite to crystal surface

Question 8 of 10

Question 9 of 10

9. Magnetic bio sensor is wide used for ____________

ECG detection

Blood detection

EMG detection

DNA detection

Question 9 of 10

Question 10 of 10

10. Cladding in glass fibre have high refractive index than the core.

False

True

Question 10 of 10