Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1% 1.5% 2% 2.5% 1% 1.5% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments PMMC instruments Electrodynamo meter instruments Electrostatic instruments Moving iron instruments PMMC instruments Electrodynamo meter instruments Electrostatic instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Eddy current damping None of these Fluid friction damping Air friction damping Eddy current damping None of these Fluid friction damping Air friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? Both B and C. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. It consist of two coils mounted at right angles to each other. Both B and C. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. It consist of two coils mounted at right angles to each other. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Both A and B None of these Electromagnetic coupling Electrostatic coupling Both A and B None of these Electromagnetic coupling Electrostatic coupling ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Grid Cathode X-Y plates Accelerating anode Grid Cathode X-Y plates Accelerating anode ANSWER DOWNLOAD EXAMIANS APP
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