Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Wattmeters. Energy meter. Power factor meters. Instrument transformer. Wattmeters. Energy meter. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resolution of an instrument is ability to distinguish polarity. the maximum non linearity. the maximum quantity it can measure. the minimum quantity it can measure. ability to distinguish polarity. the maximum non linearity. the maximum quantity it can measure. the minimum quantity it can measure. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Random errors Gross errors Systematic errors Environmental errors Random errors Gross errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Frequency. Capacitance. Inductance. Resistance. Frequency. Capacitance. Inductance. Resistance. 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) ? 3.9µF 1.5µF 2.4µF 0.9µF 3.9µF 1.5µF 2.4µF 0.9µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 1. 0. none of above. 0.5. 1. 0. none of above. 0.5. ANSWER DOWNLOAD EXAMIANS APP
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