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 none of above. 0. 0.5. 1. none of above. 0. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Square of the current through the coil Sine of the measurand Squareroot of the measurand Current through the coil Square of the current through the coil Sine of the measurand Squareroot of the measurand Current through the coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Electro-static type instrument Moving iron type instrument Hot-wire type instrument Moving coil type instrument Electro-static type instrument Moving iron type instrument Hot-wire type instrument Moving coil type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A multiplier None of the listed here A shunt Changing number of turns of operating coil A multiplier None of the listed here A shunt Changing number of turns of operating coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? None of these Force and strain Force and stress Angular velocity and angular frequency None of these Force and strain Force and stress Angular velocity and angular frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.73 0.84 0.65 1 0.73 0.84 0.65 ANSWER DOWNLOAD EXAMIANS APP