Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is linear. square law. expontial. logarithmic. linear. square law. expontial. logarithmic. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Wheat stone bridge None of the listed here Kelvin's double bridge Megger Wheat stone bridge None of the listed here Kelvin's double bridge Megger ANSWER DOWNLOAD EXAMIANS APP
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% 2.5% 1% 1.5% 2% 2.5% 1% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? 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. Both B and C. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 2.5% ± 1.5% ± 3.5% ± 1% ± 2.5% ± 1.5% ± 3.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP