Measurement and Instrumentation The error of an instrument is normally given as a percentage of Rms value Mean value Measured value Full-scale value Rms value Mean value Measured value Full-scale value 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. None of above. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. None of above. It is based on null balance technique. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meters has a linear scale? Moving iron meter Thermocouple meter Hot wore meter Moving coil meter Moving iron meter Thermocouple meter Hot wore meter Moving coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. higher response time. large time constant. All of these high inertia. higher response time. large time constant. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 0.5% 1.2% 1% 1.5% 0.5% 1.2% 1% ANSWER DOWNLOAD EXAMIANS APP
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