Measurement and Instrumentation Systematic errors are instrument errors. environmental errors. observational errors. All of these instrument errors. environmental errors. observational errors. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Pottential transformers Current transformers Both current and potential transformers Power transformers Pottential transformers Current transformers Both current and potential transformers Power transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 400∠-90° ohm. 600∠-150° ohm. 300∠90° ohm. 150∠30° ohm. 400∠-90° ohm. 600∠-150° ohm. 300∠90° ohm. 150∠30° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Air friction None of the listed here Permanent magnet Fluid friction Air friction None of the listed here Permanent magnet Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. there is no thermo electric emf. resistance variation due to temperature. it has high sensitivity. effect of contact and lead resistance is eliminated. there is no thermo electric emf. resistance variation due to temperature. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
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