Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1.5% 2% 1% 2.5% 1.5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the tolerance Double the power rating of the resistor Increase the thermal stability Reduce the inductance of winding Reduce the tolerance Double the power rating of the resistor Increase the thermal stability Reduce the inductance of winding ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Rayleigh method Ohm’s law method Lorenz method Bridge Method Rayleigh method Ohm’s law method Lorenz method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 150W 100W 50W 200W 150W 100W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates none of these. low friction loss. high friction loss. nothing related to friction loss. none of these. low friction loss. high friction loss. nothing related to friction loss. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Integrating instrument Recording instrument Absolute instrument Secondary instrument Integrating instrument Recording instrument Absolute instrument Secondary instrument ANSWER DOWNLOAD EXAMIANS APP
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