Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 200 V. 50 V. 25 V. 100 V. 200 V. 50 V. 25 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 5% 2% 3% 4% 5% 2% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high sensitivity. high accuracy. minimum effect on the current in the circuit. high precision. high sensitivity. high accuracy. minimum effect on the current in the circuit. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 50Hz 1kHz 100Hz 500Hz 50Hz 1kHz 100Hz 500Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same number of turns but different dimensions The same dimensions and the same number of turns None of these The same dimension but different number of turns The same number of turns but different dimensions The same dimensions and the same number of turns None of these The same dimension but different number of turns ANSWER DOWNLOAD EXAMIANS APP
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