Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lead. 0.6 lag. 0.6 lead. 0.917 lag. 0.917 lead. 0.6 lag. 0.6 lead. 0.917 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is linear. logarithmic. expontial. square law. linear. logarithmic. expontial. square law. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A mulliammeter can be used as Voltmeter and ammeter Ohmmeter Frequency meter Wattmeter Voltmeter and ammeter Ohmmeter Frequency meter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is √2V. 2√2V. Zero. 2V. √2V. 2√2V. Zero. 2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1% ± 3.5% ± 2.5% ± 1.5% ± 1% ± 3.5% ± 2.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
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