Measurement and Instrumentation Induction wattmeter can measure Both AC and DC None of the listed here Dc power only Ac power only Both AC and DC None of the listed here Dc power only Ac power only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to average value Rms value to peak value Peak value to rms value Peak value to average value Rms value to average value Rms value to peak value Peak value to rms value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer 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. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are parallel. perpendicular. inclined at 30o. inclined at 60o. parallel. perpendicular. inclined at 30o. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Exponential scale Logarithmic scale Linear scale Square-law scale Exponential scale Logarithmic scale Linear scale Square-law scale 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? 0.84 0.65 0.73 1 0.84 0.65 0.73 1 ANSWER DOWNLOAD EXAMIANS APP
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