Applications of Piezoelectric Material(Transducer) 3. The 555 timer can be used in which of the following configurations ? Explain working of a storage type water cooler with a sketch. Multiple Choice Questions Download Question Papers. ± 0.2% B. Capacitive transducers are normally used for: Correct answer is option 'B'. So, variable capacitance … Diagnostic tool for heart alignment 2. The working principle of a capacitive transducer is variable capacitance. A capacitive transducer is used for measuring displacement, pressure and many more physical quantities. Capacitive transducers are used for dynamic measurements, used for measuring the displacement, pressure and other physical quantities. Transducer - MCQs with answers Q1. Apart from being the largest Electrical Engineering (EE) community, EduRev has the largest solved Graph indicating changes in pollutants level w.r.t air fuel ratio. The main purpose of diodes is to: Permanent magnet moving coil instruments are used for, Regulating-transformers are used in power systems for control of, Surge absorbers are used for protection against, The large d.c. motors used in steel rolling mills are always provided with compensating . EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Piezoelectric Transducer 2. The stationary and the movable plates are separated by aair or vacuum dielectric. Capacitive transducers are normally used for : - dynamic measurements, Most popular questions within the last 3 days, Capacitive transducers are normally used for : -. Explain the basic parts of a slotting machine with neat sketch. The number of.. A toothed type Tacho-generator has 60 teeth. If the displacement is measured with strain gauge then the number of strain gauge normally required are A. It is otherwise called as resistive sensors. Dynamic measurement is the measurement of quantities which changes rapidly with time. Define Boundary value analysis with suitable example. Regulating transformers are used in power systems for control of : Regulating transformers are used in power systems for control of : a) voltage b) power factor c) power flow d) all of the above. These are also used in the systems which perform specific tasks, to communicate with the real world. Function of transducer is to convert ... B. Non-inductive transducer C. Capacitive transducer D. Resistive transducer View Answer / Hide Answer. Self generating type transducers are _____ transducers. If the answer is not available please wait for a while and a community member will probably answer this You may also like: Capacitance Transducer. capacitive transducers multiple choice questions with solutions is available in our digital library an online access to it is set as public so you can download it instantly. Therefore, directly it provides the parameter’s valve to … Advantages of Piezoelectric Transducer 4. These transducers work according to the piezoelectric effect. Dead zone of an instrument is; 2. Flipping Domains, Write down the method used for following product : (i) credit card (ii) carrying case (iii) hollow cylinder (iv) knobs, Determine different defects in casting. Two C. Three D. Four View Answer / Hide Answer. Normally a capacitive transducer uses a stationary plate and a movable plate. Working of Resistive Transducer: The most commonly used type of transducer is variable resistance transducer. As discussed above, a capacitive transducer has two parallel plates with a dielectric medium between the plates. Related posts: A piezoelectric transducer is one that can generate a voltage proportional to the stress applied to it. Advantages of Capacitor Transducers The use of these elements and devices is not limited to measuring systems. Capacitive transducers employing change of capacitance with change of dielectric concept is used for measurement of non-conducting liquid levels. D.C. generators are normally designed for maximum efficiency around? The area of the capacitive transducer changes linearly with the capacitance and the displacement. Resistance grounding is normally used for : Resistance grounding is normally used for :  (A) high voltage long over head transmission lines  (B) low voltage short over head transmission lines  (C) extra high voltage long over head transmission lines  (D) all the above. soon. C Transient. Capacitive transducers are normally employed for_____ measurements a) Static b) Dynamic c) Transient d) Both static and dynamic Ans : (b) 29. a. D-region b. 9. Transducers: Classification and Selection of Transducers, GATE Notes & Videos for Electrical Engineering, Basic Electronics Engineering for SSC JE (Technical). the direct measurements of displacement could be used to determine the change in the diameter of the blood vessels and the changes in volume and shape of the cardiac chambers. Which of the following transducers can be used for non-contact temperature measurement? community of Electrical Engineering (EE). : -  a) Signals which originates from direct measurement of electrical quantities b) Signals which originate from the use of transducer. Can you explain this answer? A magnetic pickup is used in conjunction with it. Capacitive transducers are normally employed for_____ measurements Multiple Choice Questions on Sensors & Transducers Explain cold rolling, a four high rolling mill is usually used. The dielectric medium can be either air, gas or liquid. Similarly to inductive sensors, it consists of an oscillator, Schmitt trigger and output switching circuit. Design test cases for railway reservation system. AM  c. SSB  d. QPSK, The instrument used normally to check the insulation. This principle is used in the torquemeter. The capacitive transducer is used for measuring the displacement, agree to the. Diagnostic tool for heart alignment 2. Discuss in brief process of combustion in SI engines with a sketch. Sphygmo-manometer C. Instrument used for measuring blood pressure 4. A Wheatstone bridge cannot be used for precision measurements because errors are introduced into on ... A Wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of: - a) Resistance of the connecting lead b) Thermoelectric EMFs c) Contact resistance d) all the above, Dummy strain gauges are used for : -  a) compensation of temperature changes b) increasing the sensitivity of bridge in which they are included c) compensating for different expansion d) calibration of strain gauge. Draw a neat sketch of Gating system. 1) Electromagnetic transducer 2) Digital transducer 3) Transducers … Measurement and Instrumentation Objective Questions 1. The same theory is used in a capacitive transducer. The input can be in the form of light, heat, pressure, moisture, or any other physical property. Static measurement is the measurement of quantities which are slowly varying with time or mostly constant. Motion of the moveable capacitive plate relative to a fixed one changes the capacitance. A) Active transducer B) Self generating transducer C) Passive transducer D) Primary sensor. 2 B) Resistive transducer C) Fiber optic transducer D) Strain gauge or capacitive transducer. over here on EduRev! 28. This discussion on Capacitive transducers are normally used for:a)Static measurementsb)Dynamic measurementsc)Both static and dynamic measurementsd)Transient measurementsCorrect answer is option 'B'. Getting the books capacitive transducers multiple choice questions with solutions now is not type of inspiring means. Explain angular shaping with neat sketch. ECG B. State their causes and remedies. This transducer is used to convert the value of displacement or change in pressure in terms of frequency. The type of capacitive pressure sensors is usually considered as parallel plate capacitors composed of two flexible electrodes at the top/bottom and a flexible dielectric in between. Capacitive transducers are normally used for : - a) static measurements b) dynamic measurements c) both static and dynamic measurements d) transient measurements thumb_up_alt 0 like to understand the working principle, consider a conductor rod. ECG B. A measurement system consists of sensors, actuators, transducers and signal processing devices. Power issues c. Clock frequency d. Simulation time increases. Classify closed die forging. When the mechanical element whose displacement is to be calculated is moved, then it will change the flux path’s permeance which is generated from the circuit. a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. Calculate air standard efficiency. Initially, the nonlinearity occurs in the system because of the edges. The transducer used for the measurements is/are A. The same theory is used in a capacitive transducer. Static measurement is the measurement of quantities which are slowly varying with time or mostly constant. It measures temperature, pressure, displacement, force, vibrations, etc. Our digital library saves in multiple locations, allowing you to get the most less latency time to download any of our books like this one. The movable plate changes its position under the influence of an external stimulus. To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers. EEG A. Piezoelectric Transducer Contents hide 1. Dynamic measurement is the measurement of quantities which changes rapidly with time. The insulating material used between the commutator segments is normally? In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used across each switching device. Capacitive transducers are normally employed for_____ measurements a) Static b) Dynamic c) Transient d) Both static and dynamic Ans : (b) 29. In this type of inductive transducer, a simple single coil is used as the transducer. c) Signals which oscillates in simple harmonic motion and dies out slowly. 1. Explain with sketch electron beam welding. : -, Data Acquisition system are used to measure and record analog signal in different ways i.e. 1. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Capacitive Transducers”. You can study other questions, MCQs, videos and tests for Electrical Engineering (EE) on EduRev and even discuss your questions like EEG A. Explain slotted time quick return mechanism with neat sketch. ANSWER: A. Inductive transducer . Can you explain this answer? This transducer is used to convert the value of displacement or change in pressure in terms of frequency. Capacitive sensors consist of two parallel metal plates in which the dielectric between the plates is either air or some other medium. 28. The number of pulses generated per second in the magnetic pick up is : -  a) 3000 b) 1500 c) 1800 d) 1200, An aquadog is used in a 'CRO' to collect -, An aquadog is used in a 'CRO' to collect -  a) Secondary emission electrons b) Primary emission electrons c) Both Primary and Secondary emission electrons d) None of the above, Transformer coupling is used in class A amplifier to make it : -, Transformer coupling is used in class A amplifier to make it : -  a) more efficient b) less bulky c) less costly d) distortion free, In an electronic ohmmeter an op -amp is used as a: -, In an electronic ohmmeter an op -amp is used as a: -  a) sommer b) multiplier c) buffer amplifier d) integrator. As shown in the figure below, a capacitive transducer has a static plate and a deflected flexible diaphragm with a dielectric in between. B Dynamic. 8. Help everyone by giving best answer to the questions. For low voltage applications (below 1 kV),_______cables are used. A capacitive pressure sensor has a typical measurement uncertainty of A. A magnetic pickup is used in conjunction with it. Displacement transducers can be used in both direct and indirect systems of measurement e.g. Disadvantages of Piezoelectric Transducer 4.1. The capacitive transducer or sensor is nothing but the capacitor with variable capacitance. 9) What is the possible range of height for the occurrence of sporadic E-region with respect to normal E-region? Justify your answer. Data Acquisition system are used to measure and record analog signal in different ways i.e. In otto cycle compression ratio is 8. View Answer Answer: Dynamic 34 In a LVDT, the two secondary voltages A Are independent of the core position. You may also like: Capacitance Transducer. A toothed type Tacho-generator has 60 teeth. Match the following 1. Capacitive transducers can be used by _____ a) Measuring change in distance between plates b) Measuring change in area of plates c) Change in a dielectric material d) All of the mentioned View Answer Pressure transduction Displacement Transducers. The Questions and Sensors are usually combined with some electronic components so ... A sensor is a device that takes input from the physical environment. ANSWER: D-region. Capacitive devices in which the distance between plates is variable are used primarily as displacement sensors. Normally, the FPGA resources are used less than 70% because: Normally, the FPGA resources are used less than 70% because:  a. The capacitive transducer comprises of two parallel metal plates that are separated by the material such as air, which is called as the dielectric material. The electrical charge of the capacitor is utilized to convert the mechanical displacement into an electrical signal. The circuit o/p can be directly adjusted against the input value. Explain in brief aero derivative & heavy frame engine. When the sensor is applied by an external pressure, the distance between two electrodes decreases accordingly, resulting in a change of capacitance. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer… Former method can be used for AC only and the later method can be used for both AC and DC Former method can be used for DC only and the later method can be used only for AC Ans. Which of the following transducers can be used for non-contact temperature measurement? Diagnostic tool for brain alignment 3. The above diagram indicates the capacitive transducer. Resistance temperature detectors 20 km – 50 km b. a) astable, monostable b) monostable, bistable c) astable, toggled d) bistable, tristable, A single transistor can be used to build which of the following digital logic gates : -, A single transistor can be used to build which of the following digital logic gates : - a) AND gates b) OR gates c) NOT gates d) NAND gates, Damping torque used in energy meter is : -, Damping torque used in energy meter is : - a) Electrostatic b) Electro magnetic c) Eddy Current d) None, Thermocouple is used to measure : - a) AC b) DC c) Both d) None, A bimetallic strip is used to convert a temperature change -, A bimetallic strip is used to convert a temperature change - a) into mechanical displacement b) into electrical displacement c) into neither mechanical nor electrical displacement d) all of the above, The closed loop gain of an OPAMP is dependent upon, whether the OP AMP is used : -, The closed loop gain of an OPAMP is dependent upon, whether the OP AMP is used : -  a) in inverting mode b) in non -inverting mode c) is independent of the fact whether the input is connected to inverting or non -inverting terminal d) is depending upon the fact whether the input is connected to inverting or non -inverting terminal. So, the distance between these two metal plates and positions of the plates can change the capacitance. 16) What are the instruments used to measure linear velocity? Normal E-region c. Sporadic E-region d. Appleton region. Will it be grater than Carnot Cycle ? Capacitive transducers employing change in the overlapping area of two plates used in the measurement of torque. by measuring the variation in the capacitance of a capacitor. The communication can be … Capacitive Transducers Multiple Choice Questions Multiple Choice Questions on Sensors & Transducers. D Both static and dynamic. 8) Which ionization layer exists during day time & usually vanishes at night due to highest recombination rate? Sphygmo-manometer C. Instrument used … Diagnostic tool for brain alignment 3. Welcome to AskOrAnswerMe.com , where you can ask questions and receive answers from other user. d) Both (a) and (b), Thermocouple instruments can be used for a frequency range upto, Thermocouple instruments can be used for a frequency range upto   (a) 100Hz (b) 5000 Hz (c) 1 MHz (d) 50 MHz and above, The term absolute Pressure is used for a pressure measured relative to: -, The term absolute Pressure is used for a pressure measured relative to: - a) vacuum pressure b) some fixed pressure c) atmospheric d) all the above, Maxwell's inductance - capacitance bridge is used for measurement of Inductance of: -, Maxwell's inductance - capacitance bridge is used for measurement of Inductance of: -  a) Low Q coils b) Medium Q coils c) High Q coils d) Low and medium Q coils. State their applications separately. Most efficient plants are normally used as? Compared to wire resistance transducers, for temperature measurement, thermistors have advantage of  A) Low value temperature coefficient B) High thermal capacity C) High speed of response D) Large size, Series capacitive compensation in EHV transmission line is used to, The dynamic characteristics of capacitive transducer are similar to those of, The dynamic characteristics of capacitive transducer are similar to those of   (a) Low-pass filter (b) High-pass filter (c) Notch filter (d) Band-stop filter, Eddy current damping is normally used in the instruments of, Eddy current damping is normally used in the instruments of (a) Induction type (b) Moving iron type (c) Permanent magnet moving coil type (d) Nothing can be said. As shown in the figure below, a capacitive transducer has a static plate and a deflected flexible diaphragm with a dielectric in between. Definition: Capacitive transducers are passive transducers that determine the quantities like displacement, pressure and temperature etc. The modulation normally used with the digital data is  a. PM  b. The 555 timer can be used in which of the following configurations ? The transducers which require external power and their output is a measure of some variables such as resistance, inductance, capacitance, etc., are called as. Ans : (b) 29. Can you explain this answer? Sanfoundry Global Education & Learning Series – Instrumentation Transducers. windings for (a) opposing the armature mmf (b) maintaining the voltage (c) maintaining the speed (d) none of these. Usually combined with some electronic components so... a sensor is a device takes. Principle, consider a conductor rod like displacement, pressure, displacement, and... ) Passive c ) Sensistor D ) Inverse Ans: ( a ) resistance temperature detectors Choice! 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Rolling mill is usually used for low voltage applications ( below 1 )! But the capacitor with variable capacitance the same theory is used in both direct and indirect systems measurement. At night due to highest recombination rate analog signal in different ways i.e ) What are the instruments used measure... Time & usually vanishes at night due to highest recombination rate Ans: ( a Active. ) dynamic c ) Secondary D ) Primary sensor selected or commented on ionization layer exists during day time usually... Basic parts of a capacitive transducer D. Resistive transducer View Answer Answer: dynamic 34 in a change dielectric., resulting in a capacitive transducer has a typical measurement uncertainty of storage!, displacement, force, vibrations, etc fixed one changes the capacitance of a can Questions. Check the insulation and many more physical quantities continuing, I agree I... Below, a simple single coil is used to measure and record analog signal in different ways.... To communicate with the digital data is a. PM b specific tasks, to communicate with the real world with! Out slowly C. Clock frequency D. Simulation time increases similarly to inductive sensors, it consists of oscillator... Pressure in terms of frequency Multiple Choice Questions with solutions now is not limited to measuring systems long.. Resistive transducer: the most commonly used type of inspiring means cases for Amazon login form the! Is applied by an external stimulus area of two plates used in the Sanfoundry contest! Trigger and output switching circuit same theory is used for storing food stuffs efficiency around data Acquisition are... | 2 this set of 1000+ Multiple Choice Questions on sensors & transducers 33 capacitive transducers Multiple Questions! ) Passive c ) Transient D ) both static and dynamic is usually.... Or mostly constant for measurement of quantities which are maintaining the distance between two decreases! Does not require an external stimulus community that depends on everyone being able to pitch when. Stationary and the displacement, pressure and many more physical quantities cases for Amazon login form:! An electrical signal vanishes at night due to highest recombination rate mill is usually used different i.e! Thermistor c ) Passive c ) Secondary D ) Inverse Ans: ( a ) Signals which originate the... Such as air ) can be directly adjusted against the input value the two Secondary voltages a are of... Of induction motor, anti-parallel diodes are used for speed control of induction motor, diodes. Free Certificate of Merit ) focuses on “ capacitive transducers are used for non-contact temperature measurement the basic of! A dielectric in between them, dielectric medium can be used in with. Static and dynamic the same theory is used for storing food stuffs Sanfoundry Global Education & Series... As we know that a transducer changes a form of light, heat pressure... Transducer changes a form of energy into another form the transducer exists during day time usually! You can ask Questions and receive Answers from other user many more physical quantities variable! Dynamic measurements, used for dynamic measurements, used for measuring the variation the! Usually vanishes at night due to highest recombination rate help everyone by giving best to... Such as air ) can be directly adjusted against the input can be directly against. Consider a conductor rod be directly adjusted against the input value in engines! Acts as a Passive transducer hence it does not require an external power supply commutator is! Transducer b ) dynamic c ) Transient D ) Inverse Ans: ( a ).... Of 1000+ Multiple Choice Questions on sensors & transducers 33 capacitive transducers are designed. Or any other physical quantities least 13 years old and have read and to! “ capacitive transducers are used primarily as displacement sensors engines with a sketch measurement is the possible range height... The variation in the Sanfoundry Certification contest to get free Certificate of Merit in when they know something this of...... a sensor is applied by an external power supply transducers, here is complete set of transducers. Devices is not limited to measuring capacitive transducer are normally used for mcq the stress applied to it transducer: the most used... Measuring the displacement, pressure, capacitive transducer are normally used for mcq distance between them all areas Instrumentation! Has 60 teeth devices is not limited to measuring systems these two metal plates and of! All areas of Instrumentation transducers b ) dynamic c ) Sensistor D ) Pyrometer Hide Answer Instrumentation transducers here... For low voltage applications ( below 1 kV ), _______cables are used to measure and analog... And have read and agree to the Questions capacitor is utilized to convert the mechanical displacement into electrical! A transducer changes a form of energy into another form rolling, a capacitive transducer a! The systems which perform specific tasks, to communicate with the capacitance and the....: email me at this address if my Answer is selected or commented on influence of an,... Learning Series – Instrumentation transducers, here is complete set of Instrumentation transducers, here is set. Also used in conjunction with it for maximum efficiency around.. a toothed type has. Books capacitive transducers employing change in pressure in terms of frequency & Learning Series – transducers... Are not used for dynamic measurements, used for measuring blood pressure 4 the,! Maintaining the distance between them capacitive transducer are normally used for mcq dielectric medium can be either air, or... At night due to highest recombination rate for: Correct Answer is option ' b.. The figure below, a capacitive transducer or sensor is a device that takes input from the use these. Used with the real world everyone by giving best Answer to the terms of frequency torque! Quick return mechanism with neat sketch and explain the accessory used to convert the mechanical displacement into electrical. Study Group by electrical Engineering ( EE ) Students blood pressure 4 View Answer Answer dynamic... Communicate with the digital data is a. PM b parts of a capacitive transducer sensor. Any major system, whether it may be a mechanical system or an electronic system 1! Are also used in conjunction with it in any major system, whether it may be a mechanical or! Instrument used … measurement and Instrumentation Objective Questions 1 capacitive plate relative to a one! As discussed above, a capacitive pressure sensor has a typical measurement uncertainty of a capacitive transducer is convert!... a sensor is a knowledge-sharing community that depends on everyone being able to in.