Measurement and Instrumentation Piezoelectronic accelerometer Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Should use a monitoring source at low input impedance. 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 0.5% 1% 1.2% 1.5% 0.5% 1% 1.2% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3750 rev/KWh. 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used because they are expensive. because they take least time in measurement. when a high accuracy of measurement is required. because they are most simple. because they are expensive. because they take least time in measurement. when a high accuracy of measurement is required. because they are most simple. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Induction ammeter Permanent magnet type ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Induction ammeter Permanent magnet type ammeter Moving iron repulsion type voltmeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Series-parallel Series None of the listed here Parallel Series-parallel Series None of the listed here Parallel ANSWER DOWNLOAD EXAMIANS APP
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