MCQOPTIONS
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MCQOPTIONS
This section includes 41 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
________ detects metals but along with it can also detect resins, liquids. |
| A. | Inductive proximity |
| B. | Capacitive Proximity |
| C. | Magnetic Proximity |
| D. | Parallel Proximity |
| Answer» C. Magnetic Proximity | |
| 2. |
Relative humidity is a function of ________ |
| A. | Ambient temperature |
| B. | Water vapor pressure |
| C. | Ambient temperature and Water vapor pressure |
| D. | Dryness |
| Answer» D. Dryness | |
| 3. |
________ measures temperature by correlating the resistance of the RTD with temperature. |
| A. | Thermistor |
| B. | Resistance Thermometer |
| C. | Thermo couple |
| D. | Semiconductor based sensor |
| Answer» C. Thermo couple | |
| 4. |
Which ADC narrows the range? |
| A. | Flash ADC |
| B. | Wilkinson |
| C. | Sigma delta |
| D. | Successive approximation |
| Answer» E. | |
| 5. |
Sample and hold circuit is a _______ circuit. |
| A. | Analog device |
| B. | Digital device |
| C. | Both analog and digital |
| D. | Neither analog nor digital |
| Answer» B. Digital device | |
| 6. |
Gyroscope is used to measure_________ |
| A. | Linear Acceleration |
| B. | Angular velocity |
| C. | Angular velocity and linear acceleration |
| D. | Linear velocity |
| Answer» C. Angular velocity and linear acceleration | |
| 7. |
To avoid aliasing we use a __________ filter. |
| A. | Digital filter |
| B. | Aliasing filter |
| C. | Analog filter |
| D. | Anti-aliasing filter |
| Answer» E. | |
| 8. |
Perfect resolution is possible when? |
| A. | sampling rate greater than thrice the bandwidth of the signal |
| B. | sampling rate greater than twice the bandwidth of the signal |
| C. | sampling rate less than twice the bandwidth of the signal |
| D. | sampling rate less than thrice the bandwidth of the signal |
| Answer» C. sampling rate less than twice the bandwidth of the signal | |
| 9. |
Nyquist rate is defined as ___________ |
| A. | twice the lowest frequency |
| B. | trice the highest frequency |
| C. | twice the highest frequency |
| D. | trice the lowest frequency |
| Answer» D. trice the lowest frequency | |
| 10. |
A ________ is thermally sensitive resistor that exhibits a large change in resistance. |
| A. | Thermistor |
| B. | Resistance Thermometer |
| C. | Thermo couple |
| D. | Semiconductor based sensor |
| Answer» B. Resistance Thermometer | |
| 11. |
Pressure measured relative to perfect vacuum is termed as ______ |
| A. | Absolute Pressure Measurement |
| B. | Differential Pressure Measurement |
| C. | Gauge Pressure Measurement |
| D. | Both Absolute and Differential |
| Answer» B. Differential Pressure Measurement | |
| 12. |
________ is included in a system to provide desirable damping effect. |
| A. | Speedometer |
| B. | Seismic |
| C. | Damper |
| D. | Dashpot |
| Answer» E. | |
| 13. |
Resolution is expressed in __________ |
| A. | Bytes |
| B. | Bits |
| C. | Word |
| D. | Nibble |
| Answer» C. Word | |
| 14. |
Which touchscreen technology does not incorporate an overlay. |
| A. | Resistive touchscreen |
| B. | Infrared |
| C. | Capacitive touchscreen |
| D. | SAW |
| Answer» C. Capacitive touchscreen | |
| 15. |
Quantization is the method used for conversion. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 16. |
Resolution is expressed in terms of_________ |
| A. | Milli volts |
| B. | Ampere |
| C. | Milli ampere |
| D. | Volts |
| Answer» E. | |
| 17. |
Which touchscreen is used for industrial purpose? |
| A. | Resistive touchscreen |
| B. | Capacitive touchscreen |
| C. | SAW |
| D. | Infrared |
| Answer» C. SAW | |
| 18. |
Which sensors measure the moisture level using humidity? |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» B. Resistive Sensor | |
| 19. |
The analog signal is __________ in __________ |
| A. | Continuous, frequency |
| B. | Continuous, time |
| C. | Discrete, frequency |
| D. | Discrete, time |
| Answer» C. Discrete, frequency | |
| 20. |
Which touchscreen offers 75% clarity? |
| A. | Resistive touchscreen |
| B. | Capacitive touchscreen |
| C. | SAW |
| D. | Infrared |
| Answer» B. Capacitive touchscreen | |
| 21. |
Other name for data conversion is ________ |
| A. | Flash ADC |
| B. | Wilkinson |
| C. | Sigma delta |
| D. | Ramp compare |
| Answer» B. Wilkinson | |
| 22. |
How many common ways are there for implementing an ADC? |
| A. | 2 ways |
| B. | 5 ways |
| C. | 8 ways |
| D. | 10 ways |
| Answer» E. | |
| 23. |
What is the rate noise density of gyroscope? |
| A. | 0.011 dps/√Hz |
| B. | 0.0011 dps/√Hz |
| C. | 1.11 dps/√Hz |
| D. | 11.1 dps/√Hz |
| Answer» B. 0.0011 dps/√Hz | |
| 24. |
What is STSC1? |
| A. | Pressure sensor |
| B. | Temperature sensor |
| C. | Touch sensor |
| D. | Humidity sensor |
| Answer» C. Touch sensor | |
| 25. |
Line of sight of wireless sensor tag is ________ |
| A. | 750ft |
| B. | 700ft |
| C. | 500ft |
| D. | 550ft |
| Answer» C. 500ft | |
| 26. |
Which device generates output signal when metal objects are either inside or entering into sensing area. |
| A. | Capacitive Proximity |
| B. | Magnetic Proximity |
| C. | Inductive proximity |
| D. | Parallel Proximity |
| Answer» B. Magnetic Proximity | |
| 27. |
Does proximity sensor have a temperature sensor in it? |
| A. | Yes |
| B. | No |
| C. | Can't say |
| D. | None of these |
| Answer» B. No | |
| 28. |
________ sensors measure the electrical change in devices such as conductive polymers. |
| A. | Capacitive Sensor |
| B. | Resistive Sensor |
| C. | Thermal Conductivity |
| D. | Both resistive and conductive |
| Answer» E. | |
| 29. |
ENOB stands for_________ |
| A. | Effective no of bits |
| B. | Effective no of bytes |
| C. | Efficient no of bits |
| D. | Efficient no of bytes |
| Answer» B. Effective no of bytes | |
| 30. |
Proximity sensors used in retail settings. |
| A. | Yes |
| B. | No |
| C. | Can't say |
| D. | None of these |
| Answer» B. No | |
| 31. |
SAW expanded as? |
| A. | Surface Arrangement Wave |
| B. | Screen Acoustic Wave |
| C. | Screen Arrangement Wave |
| D. | Surface Acoustic Wave |
| Answer» E. | |
| 32. |
Electronic type hygrometers are divided into how many types? |
| A. | 5 types |
| B. | 3 types |
| C. | 4 types |
| D. | 2 types |
| Answer» E. | |
| 33. |
The rate of new values is called the sampling rate or sampling frequency. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 34. |
Clock jitters is caused by __________ |
| A. | Sampling rate |
| B. | Spectrum |
| C. | Phase noise |
| D. | Sampling frequency |
| Answer» D. Sampling frequency | |
| 35. |
The discrete levels available are_________ |
| A. | Sides |
| B. | Edges |
| C. | Levels |
| D. | Bytes |
| Answer» D. Bytes | |
| 36. |
Theory behind working of accelerometer can be understood from ________ |
| A. | Rotary |
| B. | Liner |
| C. | Newtonian mechanism |
| D. | Reciprocating |
| Answer» D. Reciprocating | |
| 37. |
How many sensing structures are there in gyroscope sensor? |
| A. | Two structures |
| B. | Three structures |
| C. | Depending on application |
| D. | Single structure |
| Answer» E. | |
| 38. |
Which pressure standard is used for gauge? |
| A. | Dead-weight tester |
| B. | Manometer |
| C. | Pressure switches |
| D. | Stain gauge pressure sensor |
| Answer» C. Pressure switches | |
| 39. |
The feature of c39 is its low insertion height. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 40. |
What is the absolute pressure of c39? |
| A. | 2.0 bar |
| B. | 1.5 bar |
| C. | 1.2 bar |
| D. | 1.35 bar |
| Answer» D. 1.35 bar | |
| 41. |
Which devices measures gases or liquid? |
| A. | Proximity sensor |
| B. | Pressure sensor |
| C. | Temperature sensor |
| D. | Touch sensor |
| Answer» C. Temperature sensor | |