Measurement and Instrumentation A galvanometer has Eddy current damping Spring coil damping Air friction damping Fluid friction damping Eddy current damping Spring coil damping Air friction damping Fluid friction damping 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? 0.65 0.84 1 0.73 0.65 0.84 1 0.73 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. open circuited replaced by a source resistance short circuited replaced by a capacitor open circuited replaced by a source resistance short circuited replaced by a capacitor 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 An ammeter is ______ instrument. A recording None of the listed here An indicating An integrating A recording None of the listed here An indicating An integrating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 1 MΩ 10 MΩ 0 100 MΩ 1 MΩ 10 MΩ 0 100 MΩ ANSWER DOWNLOAD EXAMIANS APP
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