Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 5.78 A. 2 A. 4.47 A. 4 A. 5.78 A. 2 A. 4.47 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Potentiometer Ohmmeter Voltmeter and ammeter Wheatstone bridge Potentiometer Ohmmeter Voltmeter and ammeter Wheatstone bridge 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 0.9µF 3.9µF 1.5µF 2.4µF 0.9µF 3.9µF 1.5µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Logarithmic scale Linear scale Square-law scale Exponential scale Logarithmic scale Linear scale Square-law scale Exponential scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and magnetic material Conducting and non magnetic material None of the listed here Non conducting and magnetic material Conducting and magnetic material Conducting and non magnetic material None of the listed here Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
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