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. 5 2 1 4 5 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these higher response time. large time constant. high inertia. All of these higher response time. large time constant. high inertia. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Measured value Rms value Mean value Full-scale value Measured value Rms value Mean value Full-scale value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for DC only None of the listed here Both DC& AC AC only DC only None of the listed here Both DC& AC AC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Standard deviation of error Dynamic error Linearity error Static error Standard deviation of error Dynamic error Linearity error Static error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide None of the listed here Breaking torque Creep compensation Friction compensation None of the listed here Breaking torque Creep compensation Friction compensation ANSWER DOWNLOAD EXAMIANS APP
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