Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Hot wire Electrostatic PMMC Moving iron Hot wire Electrostatic PMMC Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. A frequency meter. A potentiometer. An ammeter. A function generator. A frequency meter. A potentiometer. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to average value Peak value to rms value Rms value to average value Rms value to peak value Peak value to average value Peak value to rms value Rms value to average value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Square of the measurand Sine inverse of measurand Measurand Sine of the measurand Square of the measurand Sine inverse of measurand Measurand Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called relative error probable error gross error absolute error relative error probable error gross error absolute error ANSWER DOWNLOAD EXAMIANS APP
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