Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrostatic instruments PMMC instruments Electrodynamo meter instruments Moving iron instruments Electrostatic instruments PMMC instruments Electrodynamo meter instruments Moving iron instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.045 ± 0.056 ± 0.054 ± 0.065 ± 0.045 ± 0.056 ± 0.054 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Wattmeters. Instrument transformer. Power factor meters. Energy meter. Wattmeters. Instrument transformer. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Most be of low temperature co-efficient All of the listed here Should non magnetic Should have low specific resistance Most be of low temperature co-efficient All of the listed here Should non magnetic Should have low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 2.5 A 5 A None of the listed here 0 A 2.5 A 5 A None of the listed here 0 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The ratio of change in output to the change in the input is called repeatability precision resolution sensitivity repeatability precision resolution sensitivity ANSWER DOWNLOAD EXAMIANS APP