Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 2 5 4 1 2 5 4 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should be used for low frequency. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Has a low natural frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates none of these. low friction loss. high friction loss. nothing related to friction loss. none of these. low friction loss. high friction loss. nothing related to friction loss. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 2% 1% 5% 3.33% 2% 1% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 1.5% ± 20% ± 2.5% ± 7.5 % ± 1.5% ± 20% ± 2.5% ± 7.5 % ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for Any of the listed here AC only DC only Both DC and AC Any of the listed here AC only DC only Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
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