Why Is LabVIEW Ideal for Creating Virtual Instruments? The ratio of the change in output (response) of the instrument to a change of input or measured Which type of detector is used in ac bridges? 2. 4. what is precision of a measurement? 11. The degree of exactness (closeness) of a measurement compared to the expected (desired) value. What is the purpose of braking mechanism.? transformer which is used with measuring instrument is called instrument transformers. Can be used for both dc and ac m/s. We have over 5000 electronics and electrical engineering multiple choice questions (MCQs) and answers – with hints for each question. Electrical4U’s MCQs are in a wide range of electrical engineering subjects including analog and digital communications, control systems, power electronics, electric circuits, electric machines – and much more. 4. Wave analyzer helps to evaluate the characteristics of wave such as frequency, amplitude and Phase angle. QUESTION BANK . Resistance of about 1 ohm and under are included in this class. (ii)Hysterisis loss. 15. The source of focused and accelerated electrons beam is the electron gun. What is Latch – up? STRENGTH OF MATERIALS LAB VIVA Questions :: Post Views: 354. The deflection of galvanometer connected in series with the resistance to be measured gives a measure of the insulation resistance. Reply. DOWNLOAD; DEPARTMENT. Box 117492 Phone: +971 44 30 8633 USA. What is meant by Virtual instrumentation? Name the different essential torques in indicating instruments. 26.what do you mean by a phase Angel of instrument transformer? Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Various devices in IEEE 488 Bus are (i)Talkers. Ensure quality and standarization at every touchpoint with the Hemostasis Diagnostics Management portfolio from Instrumentation Laboratory. When a chemical splashes in the eye rinse for _____? The transformers used for voltage measurement are called voltage or potential transformer. Werfen Thailand Office 1105, 11th Floor, 42 Tower, 65 Sukhumvit Soi 42 Phrakanong, Klongtoey Bangkok 10110, THAILAND Phone: + 66 271 226 28/9 Name the methods used for power measurement in three phase circuits. (ii) Short circuit fault (iii) Open conductor fault. How the range of instrument can be extended in PMMC instruments. Current coil with series magnet Voltage coil with shunt magnet All disc Braking magnet Registering mechanism. 20. what is the function of electron gun used in CRT? Voltmeter accuracy is affected by many factors, including temperature and supply voltage variations. Adjusting the bandwidth of this filter allows for the discrimination of signals with closely spaced frequency components, while also changing the measured noise floor. 15. CRO is used in Medical field Waveform analysis Study of time period and amplitude of the waveform Military applications. ELECTRICAL MACHINES-II LABORATORY 12 Efficiency of each transformer (% )= 100 1 2 2 1 x w w V I V I i c MODEL GRAPH: i) Output power Vs Efficiency PRECAUTIONS: 1. Engg. These two parameters allow for adjustment of the display within the frequency range of the instrument to enhance visibility of the spectrum measured. The laboratory provides instrumentation and 21.What do you mean by an instrument transformer? 15. What is meant by special Oscilloscope? This is known as Total Internal reflection. 6. what is Error of a measurement? PART - A … The probe performs the very important function of connecting the test circuit to oscilloscope C++ LAB VIVA Questions :-1. 6. Systematic error 3. Multiple choice Questions and Answers on Measurement and Instrumentation. Sample detection – sample detection simply uses the midpoint of a given interval as the display point value. PMMC type Moving iron type Dynamometer type Hot wire type, Electrostatic type, Induction type. without altering, loading or otherwise disturbing the test circuit. This error also occurs due to incorrect adjustment of instruments and computational mistakes these errors can not treat mathematically. 106 TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. Q-factor is known as the quality factor. (i) The Heaviside Campbell bridge (ii) The Campbell bridge. Laboratory contains various linear and nonlinear electromechanical systems that are monitored and actuated via computer CRO to secondary! S code, or program instructions, directly into actions amplifier causes the beam to deflect the! Dac ) Chemistry multiple choice Questions ( MCQs ) and Answers, online test EE6511 CI Lab Manual Semester s.no. 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