Enter the code shown above: (Note: If you cannot read the numbers in the above image, reload the page to generate a new one.) c) photoelectric sensor b. Bit depth It consists of simple IR technology that switches on and off display accordingly to your usage. a. Intramodal a) chemical sensor Biosensors Questions & Answers 1. 49)   In Rayleigh scattering of light in glass, at which type of temperature does the glass attain the state of thermal equilibrium and exhibits its relativity to annealing temperature? View Answer. Optical fiber sensors are electrically ____________ And, if you really want to know more about me, please visit my "About" Page. 17)   Which kind/s of misalignment assist/s in the reduction of overlap region in fiber? d. None of the above. d. All of the above, ANSWER: (b) Impurity atoms in glass material. d. None of the above. In the radar case, high-resolution images from aircraft and satellites are used for remote sensing and environmental monitoring, as well as for military surveillance [1,2]. b) False d. Spot Size. c. Both a and b d. All of the above. b. Birefringence Stability. Q. The detectors used in optical sensors is. d) intrinsic fiber optic sensor You can check all question on below. a. Angular 1. Resolution ... D. Voltage. d. Rayleigh Scattering, ANSWER: (a) Stimulated Brilliouin Scattering (SBS), Hi! To practice all areas of Biomedical Instrumentation, here is complete set of 1000+ Multiple Choice Questions and Answers. The core element of MEMS contain 1. I am Sasmita . Increase B. The excitation takes place by applying an external voltage and the recombination may be taking place, or it may be stimulated as another photon. 44)   On which of the following factor/s do/does the ‘Hydrogen Effect’ depend/s? View Answer. b. D. None of the mentioned. a) True B. WIRELESS SENSOR NETWORKS 1 CHAPTER 1: INTRODUCTION 1>MEMS stands for_____ 2>A sensor network is subject to a unique set of resource constraints such as a: finite on-board battery power b: limited network communication bandwidth Ans: _____ (a/b/both) 3>In a typical sensor network, each sensor … Stimulated Brilliouin Scattering (SBS) d. All of the above. c. Mie Scattering c. Leaky C. Pulling of fiber 46)   Consider the assertions given below. 14)   Which among the following represent/s the measure/s to minimize the inhomogenities for Mie scattering reduction? 36)   Which line code in PCM indicates the return of signal to zero between each pulse & takes place even due to occurrence of consecutive 0’s & 1’s in the signal? Question:24. Following acts as detector in Optical sensor . Multiple choice questions. c. Equal to Mechanical a. Kerr Effect Researchers invent a novel vertical-cavity surface-emitting laser, the workhorses of datacenters and optical sensors. External Reflection c. Basic constituent atoms of fiber material 35)   In fiber fault location, the equation of length (l) for time difference (t) is expressed as L = ct / 2n1 . d. Non-return to zero inverted, 37)   In the structure of fiber, the light is guided through the core due to total internal ______, a. reflection c. Equalizer b. B. Pole- zero plot. 2. 50)   Which type of scattering occurs due to interaction of light in a medium with time dependent optical density variations thereby resulting into the change of energy (frequency) & path? c) thermal sensors Photo diode. a. Geometry of die a. d. C, A, B. Eye opening (height, peak to peak) Researchers invent a novel vertical-cavity surface-emitting laser, the workhorses of datacenters and optical sensors. It is the ability of the sensor to indicate the same output over a period of time for a constant input. a. b. Pick up the correct statement from the following: A. Topology describes the geometric characteristic of objects which do not change under transformations and are independent of any coordinate system. b) physical sensors b. Electronics and Communication Engineering Questions and Answers. d. All of the above. The process of establishment of a relationship between the input to the instrument and output from the instrument is … Which among them is not a drawback of double crucible method? Signal Processing Circuits 31)   Which phenomenon causes the dynamic line width broadening under the direct modulation of injection current? c. As an evanescent wave So dear reader I have provided top expected gk questions from input and output device of computer. 24)   While coupling of LEDs with fiber, on which factor/s does the size of source and lighting angle generated within the semiconductor depend/s? View Answer: Answer: Option B. b. Arrhythmia & Ambulatory Monitoring Instruments, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Biomedical Instrumentation Questions and Answers – Photoelectric Transducers, Next - Biomedical Instrumentation Questions and Answers – Biosensors, Biomedical Instrumentation Questions and Answers – Photoelectric Transducers, Biomedical Instrumentation Questions and Answers – Biosensors, Engineering Materials and Metallurgy Questions and Answers, Concrete Technology Questions and Answers, Electrical Engineering Questions and Answers, Mechatronics Engineering Questions and Answers, Aerospace Materials and Processes Questions and Answers, Best Reference Books – Technology, Engineering and Sciences, Electrical & Electronics Engineering Questions and Answers, Engineering Physics II Questions and Answers, Analytical Instrumentation Questions and Answers, Instrumentation Engineering Questions and Answers, Optical Communications Questions and Answers, Instrumentation Transducers Questions and Answers, Best Reference Books – M.Tech – Fiber Optics and Lightwave Engineering. Optical fiber sensors are not immune to electromagnetic disturbances. a. Mode field diameter Function of transducer is to convert A. d. All of the above. D. All of the above. 20)   By using Springroove splicing technique, what is the value of mean insertion loss for multi mode graded index fiber? 2)   Which among the following is provided by an optical receiver for the regeneration of data signal with minimum error? 33)   Which among the following is/are determined by the fiber characterization? c. Both a and b A. Glass fiber optic cable c. Material Skew Operating Wavelength d. Group Velocity. a. Photo-diode 10)   Which type of photonic crystal fiber exhibit/s its/their similarity to the periodic crystalline lattice in a semiconductor? b. c. Eye width d. unpredictable, 22)   In spontaneous emission, the light source in an excited state undergoes the transition to a state with _______, a. c. ASCII Top 100 Sensors & Transducers Questions and Answers for Freshers we have an article for electronics and instrumentation graduates for preparing the interviews. At ElectronicsPost.com I pursue my love for teaching. Email: olivier.costa@neyco.fr. b. MCVD Sanfoundry Global Education & Learning Series – Biomedical Instrumentation. d. All of the above. Email: info@mcqinst.com. b. Report Errors. 30)   Which method determines the dispersion limitation of an optical link? 9)   Which among the following do/does not support/s the soot formation process? A chemical transduction system is interfaced to the optical fibre at its end. The macroscopic bending losses show an exponential increase due to _____ in radius of curvature. B. Topological characteristics of an object are independent of scale measurement. Core c. Plastic clad silica fiber optic cable Production of pure glass c. Encapsulation Medium During the recombination process of electrons with holes at the junctions of n-doped and p-doped semiconductors, energy is released in the form of light. Index guiding fiber (B) Performance. b. a. Chapter 3: Sensors: Multiple choice questions: Multiple choice questions. c. High One of the following properties is an advantage of MEMS Technology: Miniaturization with loss of functionality High power Fast actuation techniques None of the above Answer: 3. C. Bode plot. In this article, we are going to Physics MCQ – Optical Instruments MCQ Test. d. All of the above, 15)   In Kerr effect, induced index change has its proportionality with respect to _________, a. square of electric field a. B. View Answer. 39)   Which is the transmission medium for VLF electromagnetic waves especially applicable for aeronautical and submarine cables? MCQ Instruments Via delle Quattro Fontane, 33 00184 Rome (RM) – Italy. This section focuses on "Robotics" in Artificial Intelligence. b) energized fiber optic sensor As a gibbous wave b. 4)   Which property/ies of PCM stream determine/s the fidelity to original analog signal? a. Transducer - MCQs with answers Q1. c. Linear Circuitry On the bases of application of optic fiber sensor, which of the following is not considered to be the classification of fiber optic sensor? b. Light Collection SUMMARY Researchers at the George Washington University have developed a new design of vertical-cavity surface-emitting laser (VCSEL) that demonstrates record-fast temporal bandwidth. B. Minute c. Buffer Coating Utility in mass production of fibers The McQ OWL ® technology combines wireless communications, advanced image processing, automated activity detection, and IP connectivity to bring you live video on a map based Situation Awareness Display (SAD). d. one-fourth power of electric field. a. This type of sensor is called? a. Coding for error protection c. Return to zero inverted GERMANY. b. d. Reflection Noise. As a crescent wave D. Conversion of pure glass into preform, a. View Answer, 2. Here we presented the top 100 Sensors & Transducers Questions and Answers for Freshers. 21)   In the fiber optic link, power transfer from one fiber to another and from fiber to detector must take place with _________coupling efficiency. Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer. d. None of the above, ANSWER: (a) Eye opening (height, peak to peak). 48)   Assuming no ISI, the maximum possible bandwidth of a multimode graded index fiber with 5 MHz, shows the total pulse broadening of 0.1s for the distance of about 12km. Facilitates coupling the LED light with an optical mcq on optical sensors for the regeneration of data signal with error... 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