Measurement and Instrumentation Null type recorders are any one of the above. bridge recorders. potentiometric recorders. LVDT recorders. any one of the above. bridge recorders. potentiometric recorders. LVDT recorders. 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 ± 3% ± 6% ± 2.8% ± 4% ± 3% ± 6% ± 2.8% ± 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Medium frequency Low frequency Very high frequency High frequency Medium frequency Low frequency Very high frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Gross errors Environmental errors Systematic errors Random errors Gross errors Environmental errors Systematic errors Random errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit to maximum extent. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit to maximum extent. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 0.5% 1.2% 1% 1.5% 0.5% 1.2% 1% ANSWER DOWNLOAD EXAMIANS APP