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 The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 1 mA. 2 mA. 3 mA. 4 mA. 1 mA. 2 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is very high. small. ideally zero. high. very high. small. ideally zero. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Air friction damping Eddy current damping Fluid friction damping None of these Air friction damping Eddy current damping Fluid friction damping None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by Series resistance A shunt resistance Shunt capacitance A series inductance Series resistance A shunt resistance Shunt capacitance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are potentiometric recorders. LVDT recorders. bridge recorders. any one of the above. potentiometric recorders. LVDT recorders. bridge recorders. any one of the above. ANSWER DOWNLOAD EXAMIANS APP