Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Linear scale Square-law scale Logarithmic scale Exponential scale Linear scale Square-law scale Logarithmic scale Exponential scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping Eddy current damping Air friction damping None of these Fluid friction damping Eddy current damping Air friction damping None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Square of the current Sine of the measurand Squareroot of the current Current Square of the current Sine of the measurand Squareroot of the current Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 111V 90V 50V 100V 111V 90V 50V 100V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Temperature Voltage Current Both Voltage and Temperature Temperature Voltage Current Both Voltage and Temperature ANSWER DOWNLOAD EXAMIANS APP