Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Induction type ammeter Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter Induction type ammeter Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because The ohmmeter has its own internal battery None of these Current will decrease resistance Voltage source will increase resistance The ohmmeter has its own internal battery None of these Current will decrease resistance Voltage source will increase resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The best type of meter moment is ______ moment. D'Arsonval None of the listed here Dynamometer Iron- vane D'Arsonval None of the listed here Dynamometer Iron- vane ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Permanent magnet Fluid friction Air friction None of the listed here Permanent magnet Fluid friction Air friction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Sine wave Triangular wave Square wave Rectangular wave Sine wave Triangular wave Square wave Rectangular wave ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1% 1.5% 0.5% 1.2% 1% 1.5% 0.5% 1.2% ANSWER DOWNLOAD EXAMIANS APP
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