A relay is connected to the microcontroller which can be driven using the transistor driver. Select all the correct answers in the following. They produce an output signal in the form of some variation in resistance, capacitance or any other electrical parameter, which than has to be converted to an equivalent current or voltage signal. Variable manipulation element is used to manipulate the signal. 5. Function of transducer is to convert ... ANSWER: B. Thermal overload relay or switches can be divided into two types:-Melting type; Bimetallic type; Melting overload Relay or Solder Melting Pot. 10. Motor Protection Features Available: Thermal protection 9) In a differential amplifier using two FETs, a resistance to be used to reduce the meter current to zero even when the no voltage is applied to the circuit. d. 656 Touch Controlled Load Switch. So these NEET Physics MCQs with Answers for all Concepts as per the new syllabus. It consists of a flexible moving mechanical part which can be controlled electronically through an electromagnet, basically, a relay is just like a mechanical switch but you can control it with an electronic signal instead of manually turning it on or off. A transducer is a device that converts one type of energy to another. 18. One of the important protections in Power System Protection is Feeder Protection. Reach is the limiting distance covered by the relay for protection of line. The process of evaluating a definite integral from a set of tabulated values of the integrand f(x) is_____ a) Numerical value b) Numerical differentiation c) Numerical integration d) quadrature 7.Simpson’s 1/3rd rule is used only when _____ a) The ordinates is even b) … The turbine-governor characteristics corresponding to the generators are P 1 =50(50 − f), P 2 = 100(51 − f), P 3 = 150(52 − f) Where, f denotes the system frequency in Hz, and P 1, P 2, P 3 are the power outputs of the turbines in MW. Transducer – The device which converts the non-electrical quantity into an electric quantity is known as the transducer. 10. (LVDT), Capacitive Transducers, Peizo-Electric transducers, Optical Transducer, Torque meters, inductive torque transducers, electric tachometers, photo-electric tachometers, Hall Effect Transducer MODULE-IV (10 HOURS) CRO: Block diagram, Sweep generation, vertical amplifiers, use of CRG in … a. Multiple Choice Questions(MCQ) on Network Theorem 1. The range is (-95 to +95 Degrees). ANSWER: D. Both (a) and (b) Q3. A big difference between conventional electromechanical and static relays is how the relays are wired. A relay is an electrically operated switch.It consists of a set of input terminals for a single or multiple control signals, and a set of operating contact terminals. The digital signals work on high or low power. Transducer is a device, which converts energy from one form to other. b. Practice Test: Question Set - 02 1. B. September 12th, 2020 - Transducer MCQs with answers Q1 Function of transducer is to convert Q2 Potentiometer transducers are used for the measurement of A Pressure B Displacement C Humidity D Both a and b View Answer Hide Answer ANSWER D Both a and b Q3 Thermistor is a transducer Its temperature coefficient is A Negative c. 722 . Assuming generators and transmission network to be lossless, the system frequency for a load of 700 MW is The load can be driven using this relay. Discrimination between main and back up protection is provided by the use of relays which are (A) Fact (B) Sensitive (C) Slow (D) None of the above. The transducer types are used in electromagnetic applications like antennas, magnetic cartridges, hall-effect sensors, disk read & writes heads. Characteristic Angle Setting: The Relay Characteristic Angle RCA is given in relay Phase fault protection settings. A. There is no setting for maximum torque angle in numerical relays. 10. The first numerical relays were released in 1985. This type of relay is called electromagnetic relay (EMR). A is false, B is true c. Both A & B are true d. Both A & B are false. Applications of relays In many industrial applications and in control rooms where we have to control several circuits with one signal for this purpose relay is the best device to be used, because of its switching capability it can be used … Plug Setting Multiplier and is defined as the ratio of fault current in the relay coil to the pick up value. This is the Multiple Choice Questions Part 1 of the Series in Industrial Electronics: Principles and Applications as one of the Electronics Engineering topic. For example, a photocell (LDR) is a passive transducer which will vary the resistance of … Transducer - MCQs with answers Q1. While the term transducer commonly implies use as a sensor/detector, any device which converts energy can be considered a transducer. b Intensity and propagation speed. Working of Solid State Relay Pressure B. Displacement C. Humidity D. Both (a) and (b) View Answer / Hide Answer. In this chapter, let us discuss about the transducers used in communication systems. Manufacturer of Siemens Siprotec 5 Numerical Relay - 7ke85 Powerful Fault Recorder, Siemens Siprotec Relay Supplier, Siemens Siprotec 5 Arc Protection, Optical Arc Detection For Siprotec 5, Siprotec 7sa82 Distance Protection Automation Relay and 7SJ85 Feeder & Overcurrent Protection, Automation Device offered by Digital And Smart Grid Enterprises, Navi Mumbai, Maharashtra. The benefits of Numerical relays are, Evaluate … Microsoft AI Classroom Series Assessment Answers Read More » You have to select the right answer to a question. Multiple Choice Question on Electronic Measurement and Instrumentation. Block diagram also provides the information regarding the physical construction of the system. Potentiometer transducers are used for the measurement of A. a. ... What determines the transducer frequency selection for diagnostic ultrasound? Distance relay operates whenever the impedance seen (V/I) seen by the relay is less than the specified set value. These terms or parameters are not so used in Numerical Relays but they are conceptually used and incorporated in Numerical Relays too but the way of their implementation is quite different than that of Electromechanical Relays. The switch may have any number of contacts in multiple contact forms, such as make contacts, break contacts, or combinations thereof.. Find the distance in yards to an object if the display of a radar signal measures 4.4 microseconds. 328 . 9. Multiple Choice Questions and Answers By Sasmita January 14, 2017 1) What is the wavelength of Super high frequency (SHF) especially used in … The size of the numerical relays is much less as compared to that of electromechanical and static relays due to the multi-functionality approach of the former. Define Plug Setting Multiplier? This impedance or corresponding distance is known as reach of the relay. Kirchhoff s current law states that (a) net current flow at the junction i... 30 Most Asked Objective Questions or MCQ on Magnetism and Electromagnetism for Electrical Engineering In static relays, the measurement is performed by electronic/magnetic/optical or other components without mechanical motion. 1․ A power system has three synchronous generators. Transducer and Inverse Transducer. Non electrical quantity into electrical signal . Microsoft AI Classroom series Assessment Answers SET 1 SET 2 SET 1 Q1. Microprocessor MCQ Quiz & Online Test: Below is few Microprocessor MCQ test that checks your basic knowledge of Microprocessor. ml.azure.ai Cognitive service portal LUIS portal Writing code Q2. Distance Protection Relay. Q2. What is the easiest method to define elements of your LUIS model? Home » NEET Physics Objective Questions » 300+ TOP MCQs on Fibre Optics and Answers NEET Physics is the very imporatant paper in the Medical Entrance EXAM. However additional electromechanical relay units may be used in output stage as auxiliary relays. a Intensity and resolution. Data transmission is used to transmit data from one element to another, Data presentation element communicate the information of a measured variable to a human observer for monitoring. 3. 1. For example, we have the following protections in numerical relays in-built into one relay. The transducer types are used in electromechanical applications like accelerometers, LVDT, galvanometers, pressure sensors, load cells, MEMS, potentiometers, airflow sensors, linear & rotary motors. Different types of relays are used for feeder protection like electromagnetic type relays, static type relays etc.But now a day we are using Numerical relays for all protections. In these transducers self-inductance or the mutual of a couple of coils is changed when the quantity to be measured is varied. The Ultrasound Beam. Correct Answer. This Microprocessor Test contains around 20 questions of multiple choice with 4 options. • Sensor (e.g., thermometer) - is a … Numerical relays are based on the use of microprocessors. For protection of parallel feeders fed from one end, the relays required are . ATM MCQs. MULTIPLE CHOICE QUESTIONS. Transducers based on the variation of inductance are another group of importance devices used in much application. A Relay is an electromechanical device that can be used to make or break an electrical connection. Definitions: Transducer and sensors • Transducer – a device that converts a primary form of energy in to a corresponding signal with a different energy form Primary Energy Forms: mechanical, thermal, electromagnetic, optical, chemical, etc. Which module should you use to provide a simple metric to compare the performance of multiple training models? Where is directional relay used? A protective system is formed by static relays and electromechanical auxiliary relays. Block diagram is used for analysis & design of control system. Frame Relay MCQs. Size of Numerical Relays. Transducers which require an external power source for their operation is called as a passive transducer. Plug Setting Multiplier and Time Setting Multiplier are used only for Electromechanical Relays. Relay settings means actual value of the energizing or characteristic quantity at which the relay is designed to operate under given conditions. Digital Transducer – These transducers convert an input quantity into a digital signal or in the form of the pulse. Data Communication and Networking – Frame Relay . Short-circuit currents are due to ... I.C Engines Multiple Choice Questions with Answers - Set 02. A is true, B is false b. Electromechanical and static relays have fixed wiring and the setting is manual. In these overload relays (also referred to as “solder pot relays”), the motor current passes through a small heater winding. A. Nondirectional relays at the source end and directional relay at the load end B. Nondirectional relay at both ends C. Directional relay at source end and nondirectional relay at load end D. Directional relay at both ends What is Relay? It is used to calculate Characteristic angle and identify center of zone. 380 . ANSWER: (a) A is true, B is false The conversion can be to/from electrical, electro-mechanical, electromagnetic, photonic, photovoltaic, or any other form of energy. 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