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 0.5. 1. 0. none of above. 0.5. 1. 0. none of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can be balanced if the resistance have some specific values None of the listed here The bridge cannot be balanced The bridge can always be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge cannot be balanced The bridge can always be balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 100W 150W 50W 200W 100W 150W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are gross error. instrumental error. observational error. systematic error. gross error. instrumental error. observational error. systematic error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. DC current. AC volatge. both AC and DC voltage. DC voltage. DC current. AC volatge. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by weight attached to the moving coil. not provided at all. spring. crossed coil mechanism. weight attached to the moving coil. not provided at all. spring. crossed coil mechanism. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS