Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving-coil meter Potentiometer Digital Volt meter Moving- iron meter Moving-coil meter Potentiometer Digital Volt meter Moving- iron meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Environmental errors Systematic errors Gross errors Random errors Environmental errors Systematic errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Breaking torque Friction compensation None of the listed here Creep compensation Breaking torque Friction compensation None of the listed here Creep compensation ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? CT. PT. Distribution transformer. Power transformer. CT. PT. Distribution transformer. Power transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 Nm. 200 Nm. 2 Nm. 100 Nm. 1 Nm. 200 Nm. 2 Nm. 100 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter ANSWER DOWNLOAD EXAMIANS APP
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