Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 31.4. 20. 25.4. 54.2. 31.4. 20. 25.4. 54.2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Direct method is used to measure Temperature Pressure Length Voltage Temperature Pressure Length Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.73 0.65 0.84 1 0.73 0.65 0.84 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, 2 and 3 are correct 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be High Almost zero None of the listed here Low High Almost zero None of the listed here Low 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? 2% 3% 5% 4% 2% 3% 5% 4% ANSWER DOWNLOAD EXAMIANS APP
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