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 inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. A recording An indicating An integrating A transfer A recording An indicating An integrating A transfer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Resistance. Frequency. Inductance. Capacitance. Resistance. Frequency. Inductance. Capacitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Force and stress None of these Force and strain Angular velocity and angular frequency Force and stress None of these Force and strain Angular velocity and angular frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is sensitivity. accuracy. precision. resolution. sensitivity. accuracy. precision. resolution. ANSWER DOWNLOAD EXAMIANS APP
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