Measurement and Instrumentation A galvanometer has Eddy current damping Air friction damping Fluid friction damping Spring coil damping Eddy current damping Air friction damping Fluid friction damping Spring coil damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by spring. crossed coil mechanism. weight attached to the moving coil. not provided at all. spring. crossed coil mechanism. weight attached to the moving coil. not provided at all. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Sine of the measurand Square of the current through the coil Current through the coil Squareroot of the measurand Sine of the measurand Square of the current through the coil Current through the coil Squareroot of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have Independence of ambient temperature High sensitivity High degree of measuring accuracy Absence of frequency error Independence of ambient temperature High sensitivity High degree of measuring accuracy Absence of frequency error 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 error is high due to hysteresis effect The meter does not respond to DC signals 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 error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter ANSWER DOWNLOAD EXAMIANS APP