Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Permanent magnet Air friction None of the listed here Fluid friction Permanent magnet Air friction None of the listed here Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0. 1. none of above. 0.5. 0. 1. none of above. 0.5. 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 ± 2.8% ± 3% ± 6% ± 4% ± 2.8% ± 3% ± 6% ± 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Sine inverse of measurand Square of the measurand Sine of the measurand Measurand Sine inverse of measurand Square of the measurand Sine of the measurand Measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Current transformers Power transformers Potential transformers Either of the above Current transformers Power transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1.5% ±3.5% ± 1% ± 2.5% ± 1.5% ±3.5% ± 1% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
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