Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage High DC voltage AC voltage of any form Low frequency voltage High AC voltage High DC voltage AC voltage of any form Low frequency voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter C. potentiometer None of these Small range thermocouple voltmeter Small range moving coil voltmeter C. potentiometer None of these Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is logarithmic. square law. expontial. linear. logarithmic. square law. expontial. linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Square of the measurand Sine of the measurand Sine inverse of measurand Measurand Square of the measurand Sine of the measurand Sine inverse of measurand Measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are least time consuming. most simple and least time consuming. most accurate. most simple. least time consuming. most simple and least time consuming. most accurate. most simple. ANSWER DOWNLOAD EXAMIANS APP
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 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. ANSWER DOWNLOAD EXAMIANS APP
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