Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 2.8% ± 3% ± 4% ± 6% ± 2.8% ± 3% ± 4% ± 6% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are Any of the listed here One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter Any of the listed here One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic field intensity. Magnetic potential. Relative permeability. Flux density. Magnetic field intensity. Magnetic potential. Relative permeability. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. None of the listed here D'Arsonval movement Dynamometer Moving iron None of the listed here D'Arsonval movement Dynamometer Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.25% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.75% 1.25% & 98.25% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.75% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In an Anderson bridge, the unknown inductance is measured in terms of Known capacitance and resistance Known inductance and resistance Known resistance Known inductance Known capacitance and resistance Known inductance and resistance Known resistance Known inductance ANSWER DOWNLOAD EXAMIANS APP