Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Linear scale Exponential scale Logarithmic scale Square-law scale Linear scale Exponential scale Logarithmic scale Square-law scale 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. none of above. 0. 0.5. 1. none of above. 0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Ohm’s law method Rayleigh method Bridge Method Lorenz method Ohm’s law method Rayleigh method Bridge Method Lorenz method 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? 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 597 W. - 597 W. + 795 W. - 795 W. + 597 W. - 597 W. + 795 W. - 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Low frequency High frequency Very high frequency Medium frequency Low frequency High frequency Very high frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS