Measurement and Instrumentation Electrostatic instruments are used as Wattmeter only Ammeters only Both ammeter and voltmeter Voltmeters only Wattmeter only Ammeters only Both ammeter and voltmeter Voltmeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Electrostatic Moving iron PMMC Hot wire Electrostatic Moving iron PMMC Hot wire 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. perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Force Power Charge Frequency Force Power Charge Frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Absolute instrument Integrating instrument Secondary instrument Recording instrument Absolute instrument Integrating instrument Secondary instrument Recording instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. ANSWER DOWNLOAD EXAMIANS APP