Measurement and Instrumentation A dynamometer wattmeter can be used for Any of the listed here DC only AC only Both DC and AC Any of the listed here DC only AC only Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±3.5% ±0.5% ± 3.0% ± 1.5% ±3.5% ±0.5% ± 3.0% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.6 lead. 0.917 lead. 0.6 lag. 0.917 lag. 0.6 lead. 0.917 lead. 0.6 lag. 0.917 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and time constant Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and time constant Static sensitivity and damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Medium High Very small Infinity Medium High Very small Infinity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that measures high Q inductors. balance equation independent of frequency. reduction of the cost. attaining balance condition is easier. measures high Q inductors. balance equation independent of frequency. reduction of the cost. attaining balance condition is easier. ANSWER DOWNLOAD EXAMIANS APP
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