Measurement and Instrumentation The scale of a rectifier instrument is Non-linear Linear None of the listed here Either linear or non linear Non-linear Linear None of the listed here Either linear or non linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1.7 V. 1 V. 1.5 V. 1.34 V. 1.7 V. 1 V. 1.5 V. 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% 1.2% 1.5% 0.5% 1% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Environmental errors Random errors Gross errors Systematic errors Environmental errors Random errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is linear. expontial. logarithmic. square law. linear. expontial. logarithmic. square law. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Ohmmeter Voltmeter and ammeter Wheatstone bridge Potentiometer Ohmmeter Voltmeter and ammeter Wheatstone bridge Potentiometer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS