Measurement and Instrumentation The household energymeter is An indicating instrument A recording instrument None of the listed here An integrating instrument An indicating instrument A recording instrument None of the listed here An integrating instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Square-law scale Logarithmic scale Linear scale Exponential scale Square-law scale Logarithmic scale Linear scale Exponential scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1% 1.5% 0.5% 1.2% 1% 1.5% 0.5% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standard resistor ia made from Platinum Manganin Silver Nichrome Platinum Manganin Silver Nichrome 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 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 Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced 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? 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS