bitcoinscryptoinfo.com – MCQs, Mock Tests | Analytical instruments Analytical Instrumentation MCQ Question Set 32

Sound waves are similar to light waves in all aspects.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

SONAR stands for _________

1. Sound navigation and ranging
2. Sound number approximation and ranging
3. Sound nullifying ranging
4. None of the mentioned

✅ Correct Answer: 1

Which of the following type sound generators are not possible?

1. Piezo electric
2. Magnetostrictive
3. Both piezo electric and magnetostrictive
4. None of the mentioned

✅ Correct Answer: 4

Mosaic regarding sonar is _____

1. Surface of sonar
2. Frequency of sound wave
3. Pattern of vibrating elements
4. Depth of sea to which it is applicable

✅ Correct Answer: 3

All elements of sonar are driven electrically.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Piezo electric materials are well cut for _______

1. Good dimension
2. Good coupling coefficient
3. Compact shape of device
4. Increasing frequency

✅ Correct Answer: 2

Which of the following can be used in sonar?

1. ADP
2. Rescelle salt
3. ADP and Roscelle salt
4. ADP and Roscelle salt in sealed condition

✅ Correct Answer: 4

Magnetostriction transmitter uses _______

1. Electrostrictive phenomena
2. Horizontal vibration of nickel tube
3. Longitudinal vibration of nickel tube
4. All of the mentioned

✅ Correct Answer: 3

OTDR stands for __________

1. Optical time domain reflectometer
2. Optical transfer data rate
3. Optical time data registers
4. None of the mentioned

✅ Correct Answer: 1

Which of the following is not correct for fibre optic sensors?

1. Immune to electro magnetic interference
2. Immune to radiation hazard
3. Can be used in harsh environments
4. None of the mentioned

✅ Correct Answer: 4

Fluoride glass is used with ______

1. IR waves
2. UV rays
3. Normal light
4. All of the mentioned

✅ Correct Answer: 1

Silica glass of hydroxyl concentration can be used for ___________ of wavelength.

1. 100 nm to 250 nm
2. 250 nm to 800 nm
3. 800 nm to 1500 nm
4. 100 nm to 3400 nm

✅ Correct Answer: 2

General spectral range for silica glass is _______

1. Less than 200 nm
2. Between 200 nm to 2200 nm
3. Between 2000 nm to 5000 nm
4. Greater than 3000 nm

✅ Correct Answer: 2

Epoxy material in fibre optics is intended for ______

1. Better optical properties
2. Better reflection
3. Better sealing
4. Reducing noise

✅ Correct Answer: 3

Plastics optical cables can be used for ______

1. Short range
2. Medium range of distance
3. Long range of distance
4. Very high range of distance

✅ Correct Answer: 1

Which of the following represents loss associated with glass fibres?

1. 3 dB/Km
2. 10 dB/Km
3. 0 dB/Km
4. 50 dB/Km

✅ Correct Answer: 1

Loss associated with plastic fibre is less than glass fibres.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

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

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Which of the following change electrical conductivity on the absorption of a gas molecule?

1. Tin
2. Zinc
3. Nickel
4. All of the mentioned

✅ Correct Answer: 4

Polypropylene is a/an ______

1. Inorganic sensor
2. Organic sensor
3. Metal sensor
4. Gaseous sensor

✅ Correct Answer: 2

ISE stands for _________

1. Ion sticking electrode
2. Ion selective electrode
3. Inactive segment electrode
4. Inorganic substance electrode

✅ Correct Answer: 2

Glass electrode is an ion selective electrode.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 2

Water purity is tested by ________

1. Water activity sensor
2. pH meter
3. SAW sensor
4. BAW sensor

✅ Correct Answer: 2

Heater power in thick film hybrid technology is _____

1. 5KW
2. 50 MW
3. 500 MW
4. 500 mW

✅ Correct Answer: 4

Chemiresistor sensors are used for test gases in _______

1. Solid form
2. Liquid form
3. Vapour form
4. All of the mentioned

✅ Correct Answer: 3

IR sensors are used in detection of _______

1. Organic gases
2. Inorganic gases
3. Vapours
4. All of the mentioned

✅ Correct Answer: 4

Photo ionization and flame ionization technique are most favoured in detection of ______

1. Organic gases
2. Inorganic gases
3. Vapours
4. All of the mentioned

✅ Correct Answer: 1

Mass sensors are a combination of SAW.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

SAW stands for _______

1. Sound actuated wave
2. Surface acoustic wave
3. Sound activated wave
4. Surface activated wave

✅ Correct Answer: 2

Quartz can be used as bio sensors.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Direction of acoustic wave in QCM will be _______

1. Same as crystal surface
2. Opposite to crystal surface
3. Perpendicular to crystal surface
4. None of the mentioned

✅ Correct Answer: 3

Acoustic wave in QCM meets minimum impedance when thickness of device is ______

1. Equal to wavelength of acoustic wave
2. Product of Half of wavelength of acoustic wave
3. Product of quarter of wavelength of acoustic wave
4. None of the mentioned

✅ Correct Answer: 2

Which of the following is most preferred?

1. QCM and SAW sensor
2. QCM and BAW sensor
3. QCM
4. All of the mentioned

✅ Correct Answer: 1

Magnetic bio sensor is wide used for _______

1. Blood detection
2. DNA detection
3. ECG detection
4. EMG detection

✅ Correct Answer: 2

QCM stands for __________

1. Quartz crystal micro balance
2. Quality control balance
3. Quartz crystal magnifier
4. None of the mentioned

✅ Correct Answer: 1

Changes in resonant frequency of QCM is proportional to ________

1. Mass accumulated in crystal
2. Crystal used
3. Time of usage
4. None of the mentioned

✅ Correct Answer: 1

BAW stands for ________

1. Bulk acoustic wave
2. Barrier acoustic wave
3. Barrier avoiding wave
4. Bulk activated wave

✅ Correct Answer: 1

Non contacting type bio sensors are _______

1. Radiation type
2. Electromagnetic type
3. Radiation or electromagnetic type
4. None of the mentioned

✅ Correct Answer: 3

Which of the following produce em radiation in ir region?

1. Body with negative temperature
2. Body with temperature less than 1000C
3. Body with temperature less than 6000C
4. Body with temperature less than 10000C

✅ Correct Answer: 3

Energy of emitted radiation from a body increases with ________

1. Increase in temperature
2. Decrease in temperature
3. No relation with temperature
4. Net energy cannot be changed

✅ Correct Answer: 1

Wavelength of peak radiation is represented by ________

1. 28.91 * T
2. 2891/T
3. 189 * T
4. None of the mentioned

✅ Correct Answer: 2

At 1000C wavelength of radiation will be ________

1. Less than 10um
2. Less than 100um
3. Less than 1000um
4. Less than 10nm

✅ Correct Answer: 1

Radiation thermometers are pyrometers.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Temperature sensor of silicon can detect wavelength of _______

1. Less than 0.1 um
2. Less than 1.1 um
3. Less than 10nm
4. Greater than 100nm

✅ Correct Answer: 2

Which of the following sensor have a large response time?

1. Thermopile
2. Pyroelectric sensor
3. Lead sulphide sensor
4. Silicon sensor

✅ Correct Answer: 1

IR thermograph is also known as________

1. Thermogram
2. Heat thermograph
3. Thermogram
4. None of the mentioned

✅ Correct Answer: 3

IR thermography is useful in the medical field.

1. True
2. False
3. all of the above
4. None of the mentioned

✅ Correct Answer: 1

Which of the following sensors provide higher temperature capacity?

1. Thermopile
2. Pyroelectric sensor
3. Lead sulphide sensor
4. Silicon sensor

✅ Correct Answer: 4

AFM stands for ______

1. Auto focusing microscope
2. Antenna focusing microscope
3. Atomic force microscope
4. None of the mentioned

✅ Correct Answer: 3

Phenomenon of producing sound under mechanical stress is called______

1. Magnetostriction
2. Acoustiction
3. Electrostriction
4. Acoustic emission

✅ Correct Answer: 4

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Analytical Instrumentation MCQ Question Set 32