Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Electrostatic coupling Both A and B None of these Electromagnetic coupling Electrostatic coupling Both A and B None of these 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° 0° 30° 90° 120° 0° 30° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 2.4µF 1.5µF 3.9µF 0.9µF 2.4µF 1.5µF 3.9µF 0.9µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Multipliers. Moving iron type. Induction type. Dynamo-meter type. Multipliers. Moving iron type. Induction type. Dynamo-meter type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material None of the listed here Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material None of the listed here 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 50W 150W 100W 200W 50W 150W 100W ANSWER DOWNLOAD EXAMIANS APP
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