Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A frequency meter. A function generator. A potentiometer. An ammeter. A frequency meter. A function generator. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. long and thin. thin. thick. long. long and thin. thin. thick. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Square wave Sine wave Rectangular wave Triangular wave Square wave Sine wave Rectangular wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer 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. Has a low natural frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.6 lead. 0.6 lag. 0.917 lead. 0.917 lag. 0.6 lead. 0.6 lag. 0.917 lead. 0.917 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
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