Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Environmental errors Gross errors Systematic errors Random errors Environmental errors Gross errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure None of these Current Flux Voltage None of these Current Flux Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 10 MΩ 100 MΩ 0 1 MΩ 10 MΩ 100 MΩ 0 1 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power in R phase Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 2.4µF 0.9µF 1.5µF 3.9µF 2.4µF 0.9µF 1.5µF 3.9µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 28.12 W. None of these 25.45 W. 32.56 W . 28.12 W. None of these 25.45 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
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