Measurement and Instrumentation The error of an instrument is normally given as a percentage of Mean value Rms value Measured value Full-scale value Mean value Rms value Measured value Full-scale value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be None of the listed here Either light or heavy Very light Very heavy None of the listed here Either light or heavy Very light Very heavy ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Wattmeters. Instrument transformer. Power factor meters. Energy meter. Wattmeters. Instrument transformer. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In an Anderson bridge, the unknown inductance is measured in terms of Known inductance and resistance Known resistance Known inductance Known capacitance and resistance Known inductance and resistance Known resistance Known inductance Known capacitance and resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of All of above. Resistance of connecting leads. Thermoelectric emfs. Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. Contact resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 260 V. 250 V. 252 V. 248 V. 260 V. 250 V. 252 V. 248 V. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS