Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Resistance Voltage Current Frequency Resistance Voltage Current Frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following essential featuresis possessed by an indicating instrument? Deflecting device All of the listed here Controlling device Damping device Deflecting device All of the listed here Controlling device Damping device ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are All of the listed here Observational errors Instrument errors Environment errors All of the listed here Observational errors Instrument errors Environment errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used because they are most simple. when a high accuracy of measurement is required. because they are expensive. because they take least time in measurement. because they are most simple. when a high accuracy of measurement is required. because they are expensive. because they take least time in measurement. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. none of these. dimension LT-1. speed of light. both ‘a’ and ‘b’. none of these. dimension LT-1. speed of light. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS