Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Moving iron PMMC Hot wire Electrostatic Moving iron PMMC Hot wire Electrostatic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Current transformers Shunt Potential transformers All of the listed here Current transformers Shunt Potential transformers All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Spring Gravity All of the listed here Eddy currents Spring Gravity All of the listed here Eddy currents ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Creep compensation Breaking torque Friction compensation None of the listed here Creep compensation Breaking torque Friction compensation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Gross errors Random errors Systematic errors Environmental errors Gross errors Random errors Systematic errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP