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
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Charge Force Frequency Power Charge Force Frequency Power ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 90° 120° 30° 0° 90° 120° 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 0.5 V 2 V 1.5 V 1 V 0.5 V 2 V 1.5 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that CT operates at almost the same flux density as a PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with a higher flux density than PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Schering. Desautys. Hays. Wheatstones. Schering. Desautys. Hays. Wheatstones. ANSWER DOWNLOAD EXAMIANS APP