Measurement and Instrumentation Which of the following cannot be measured by multimeters? Frequency Resistance Current Voltage Frequency Resistance Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ±5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A (400 ±5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 2.4µF 3.9µF 1.5µF 0.9µF 2.4µF 3.9µF 1.5µF 0.9µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same dimensions and the same number of turns None of these The same number of turns but different dimensions The same dimension but different number of turns The same dimensions and the same number of turns None of these The same number of turns but different dimensions The same dimension but different number of turns ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Silver Aluminium Copper Soft steel Silver Aluminium Copper Soft steel ANSWER DOWNLOAD EXAMIANS APP
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