Measurement and Instrumentation A galvanometer has Fluid friction damping Air friction damping Spring coil damping Eddy current damping Fluid friction damping Air friction damping Spring coil damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Fluid friction Eaddy current None of the listed here Air friction Fluid friction Eaddy current None of the listed here Air friction 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. 2 1 5 4 2 1 5 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Frequency measurment modes only. Period measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Frequency measurment modes only. Period measurment modes only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Energy meter. Wattmeters. Power factor meters. Instrument transformer. Energy meter. Wattmeters. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 10.6 V. 15 V. 11.1 V. 12.6 V. 10.6 V. 15 V. 11.1 V. 12.6 V. ANSWER DOWNLOAD EXAMIANS APP
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