Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.5% & 98.75% 1.5% & 99% 1.25% & 98.75% 1.25% & 98.25% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.75% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Rms value Measured value Mean value Full-scale value Rms value Measured value Mean value Full-scale value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are parallel. inclined at 30o. perpendicular. inclined at 60o. parallel. inclined at 30o. perpendicular. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. Venturimeter. Anemometer. nucleus. Orifice. Venturimeter. Anemometer. nucleus. Orifice. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS