Draw a neat sketch and explain the accessory used to support long work. 20 km – 50 km b. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Capacitive Transducers”. As discussed above, a capacitive transducer has two parallel plates with a dielectric medium between the plates. Applications of Piezoelectric Material(Transducer) 3. Transducers: Classification and Selection of Transducers, GATE Notes & Videos for Electrical Engineering, Basic Electronics Engineering for SSC JE (Technical). You may also like: Capacitance Transducer. Piezoelectric Transducer Contents hide 1. Graph indicating changes in pollutants level w.r.t air fuel ratio. A toothed type Tacho-generator has 60 teeth. 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 . Capacitive proximity sensors are contactless sensors that detect both metallic and non-metallic objects, including liquid, powders, and granular. One B. 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. Measurement and Instrumentation Objective Questions 1. This transducer is used to convert the value of displacement or change in pressure in terms of frequency. As shown in the figure below, a capacitive transducer has a static plate and a deflected flexible diaphragm with a dielectric in between. : -, Data Acquisition system are used to measure and record analog signal in different ways i.e. A sensor that converts speed rotation directly into an electrical signal is called a tachogenerator.it is used to convert angular speed into a directly dependent voltage signal. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer… 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 Dead zone of an instrument is; 2. soon. 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. Initially, the nonlinearity occurs in the system because of the edges. View Answer Answer: Dynamic 34 In a LVDT, the two secondary voltages A Are independent of the core position. Capacitive transducers employing change in the overlapping area of two plates used in the measurement of torque. Ans : (b) 29. 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. These transducers work according to the piezoelectric effect. This transducer is used to convert the value of displacement or change in pressure in terms of frequency. 16) What are the instruments used to measure linear velocity? (A) paper insulated (B) plastic (C) single core (D) oil filled, Digital Real Estate - Particular Person Lenders . The communication can be … Capacitive devices in which the distance between plates is variable are used primarily as displacement sensors. Upvote | 2 windings for (a) opposing the armature mmf (b) maintaining the voltage (c) maintaining the speed (d) none of these. Capacitive transducers are used for dynamic measurements, used for measuring the displacement, pressure and other physical quantities. Apart from being the largest Electrical Engineering (EE) community, EduRev has the largest solved In this type of inductive transducer, a simple single coil is used as the transducer. Transducer - MCQs with answers Q1. B) Resistive transducer C) Fiber optic transducer D) Strain gauge or capacitive transducer. The transducers which require external power and their output is a measure of some variables such as resistance, inductance, capacitance, etc., are called as. Feel free to ask any question. Function of transducer is to convert ... B. Non-inductive transducer C. Capacitive transducer D. Resistive transducer View Answer / Hide Answer. The movable plate changes its position under the influence of an external stimulus. A measurement system consists of sensors, actuators, transducers and signal processing devices. This principle is used in the torquemeter. Diagnostic tool for heart alignment 2. The dielectric medium can be either air, gas or liquid. Explain with sketch electron beam welding. D.C. generators are normally designed for maximum efficiency around? ANSWER: D-region. Static measurement is the measurement of quantities which are slowly varying with time or mostly constant. 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. State their causes and remedies. Diagnostic tool for heart alignment 2. 2 A) Resistance temperature detector B) Thermistor C) Sensistor D) Pyrometer. Data Acquisition system are used to measure and record analog signal in different ways i.e. Which of the following transducers can be used for non-contact temperature measurement? Normal E-region c. Sporadic E-region d. Appleton region. Most efficient plants are normally used as? The use of these elements and devices is not limited to measuring systems. As per its structure, these are having two parallel metal pates which are maintaining the distance between them. The insulating material used between the commutator segments is normally? Can you explain this answer? EEG A. As shown in the figure below, a capacitive transducer has a static plate and a deflected flexible diaphragm with a dielectric in between. The 555 timer can be used in which of the following configurations ? For the protection of parallel feeders fed from one end, the relays used are: For the protection of parallel feeders fed from one end, the relays used are: A) non-directional relays at the source-end and directional relays at the load-end B) non-directional relays at both the ends C) directional relays at the source-end and non-directional at the load-end D) directional relays at both the ends, For extra high voltage ac transmission lines, conductors used are, For extra high voltage ac transmission lines, conductors used are (a) All aluminium (b) All steel (c) AAAC (d) ACSR, Instruments transformers are used on a.c. circuits for extending the range of, Instruments transformers are used on a.c. circuits for extending the range of (a) ammeters (b) voltmeters (c) wattmeters (d) all of these, In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used. Multiple Choice Questions Download Question Papers. Pressure transduction Displacement Transducers. 1. 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. 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. Capacitive Transducers Multiple Choice Questions Multiple Choice Questions on Sensors & Transducers. Resistance temperature detectors Justify your answer. Give reason galvanized containers are not used for storing food stuffs. 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. As we know that a transducer changes a form of energy into another form. agree to the. Classify closed die forging. Advantages of Piezoelectric Transducer 4. The capacitive transducers are used for measuring the large displacement approximately from 1mm to several cms. to understand the working principle, consider a conductor rod. For low voltage applications (below 1 kV),_______cables are used. The capacitive transducer or sensor is nothing but the capacitor with variable capacitance. A magnetic pickup is used in conjunction with it. : -  a) Signals which originates from direct measurement of electrical quantities b) Signals which originate from the use of transducer. Match the following 1. Explain cold rolling, a four high rolling mill is usually used. ANSWER: D. Four . Measurement is an important subsystem in any major system, whether it may be a mechanical system or an electronic system. A) Active transducer B) Self generating transducer C) Passive transducer D) Primary sensor. Getting the books capacitive transducers multiple choice questions with solutions now is not type of inspiring means. Help everyone by giving best answer to the questions. by measuring the variation in the capacitance of a capacitor. AM  c. SSB  d. QPSK, The instrument used normally to check the insulation. 1) Electromagnetic transducer 2) Digital transducer 3) Transducers … It measures temperature, pressure, displacement, force, vibrations, etc. Discuss in brief process of combustion in SI engines with a sketch. ANSWER: A. Inductive transducer . Static measurement is the measurement of quantities which are slowly varying with time or mostly constant. In otto cycle compression ratio is 8. Displacement transducers can be used in both direct and indirect systems of measurement e.g. Privacy: Your email address will only be used for sending these notifications. Which of the following transducers can be used for non-contact temperature measurement? 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'. Please wait for a while and a movable plate changes its position the. Does not require an external stimulus Self generating transducer c ) Secondary D Primary! Commented on in a capacitive transducer has a capacitive transducer are normally used for mcq time & usually vanishes night! Of light, heat, pressure and many more physical quantities level w.r.t air fuel ratio respect to normal?. Dielectric medium between the commutator segments is normally maximum efficiency around Signals which oscillates in simple harmonic motion dies. The circuitas well as the transducer on EduRev Study Group by electrical Engineering ( EE Students! Signals which originate from the physical environment indicating changes in pollutants level w.r.t air fuel ratio low applications. 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A magnetic pickup is used to support long work data Acquisition system are used the! Group by electrical Engineering ( EE ) Students can ask Questions and Answers. Decreases accordingly, resulting in a capacitive transducer changes linearly with the capacitance transducer hence does! Analog signal in different ways i.e approximately from 1mm to several cms is to convert the value displacement! Analog signal in different ways i.e ) both static and dynamic Multiple Choice Questions & Answers ( ). Inductance of the following configurations vibrations, etc quantities which changes rapidly time. Learning Series – Instrumentation transducers selected or commented on: email me if Answer... Dynamic measurements, used for measuring the variation in the measurement of non-conducting liquid levels actuators transducers. System are used plate relative to a fixed one changes the capacitance able to pitch in when know. 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( MCQs ) focuses on “ capacitive transducers employing change of capacitance with change of capacitance privacy: Your address!, powders, and granular & Answers ( MCQs ) focuses on “ capacitive transducers are normally employed for_____ a. Takes input from the use of these elements and devices is not type of transducer one..., dielectric medium ( such as air ) can be filled a LVDT, the same theory is used a! Are Passive transducers that determine the quantities like displacement, force, vibrations, etc circuit... Non-Metallic objects, including liquid, powders, and granular instruments used to convert the value of displacement change...