Measurement and Instrumentation How many fundamental units are there ? 7 4 6 8 7 4 6 8 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4% less. 0.4 more. 0.2% less. 0.2% more. 0.4% less. 0.4 more. 0.2% less. 0.2% more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Voltmeter and ammeter Ohmmeter Wheatstone bridge Potentiometer Voltmeter and ammeter Ohmmeter Wheatstone bridge Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Permanent magnet Fluid friction None of the listed here Air friction Permanent magnet Fluid friction None of the listed here Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 4% ± 6% ± 2.8% ± 3% ± 4% ± 6% ± 2.8% ± 3% ANSWER DOWNLOAD EXAMIANS APP
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