Measurement and Instrumentation Which wave has the least form factor? Sine wave Rectangular wave Square wave Triangular wave Sine wave Rectangular wave Square wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.054 ± 0.045 ± 0.056 ± 0.065 ± 0.054 ± 0.045 ± 0.056 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Thermoelectric emfs. Contact resistance. Resistance of connecting leads. All of above. Thermoelectric emfs. Contact resistance. Resistance of connecting leads. All of above. 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 0.5% 1% 1.5% 1.2% 0.5% 1% 1.5% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? None of these Small range moving coil voltmeter Small range thermocouple voltmeter C. potentiometer None of these Small range moving coil voltmeter Small range thermocouple voltmeter C. potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate none of these. both A and B. error due to temperature true variations. error due to strong magnetic field. none of these. both A and B. error due to temperature true variations. error due to strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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