Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage Low frequency voltage High DC voltage AC voltage of any form High AC voltage Low frequency voltage High DC voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 1 5 4 2 1 5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meters has a linear scale? Moving iron meter Moving coil meter Thermocouple meter Hot wore meter Moving iron meter Moving coil meter Thermocouple meter Hot wore meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Kelvin's double bridge Wheat stone bridge None of the listed here Megger Kelvin's double bridge Wheat stone bridge None of the listed here Megger ANSWER DOWNLOAD EXAMIANS APP