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% 1.5% 1% 1.2% 0.5% 1.5% 1% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only controlling torque acts None of the listed here Only deflecting torque acts Both deflecting and controlling torques act Only controlling torque acts None of the listed here Only deflecting torque acts Both deflecting and controlling torques act ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 30o. 150o. 63.25o. 105.6o. 30o. 150o. 63.25o. 105.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Power transformers Either of the above Potential transformers Current transformers Power transformers Either of the above Potential transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the unit of plane angle? Candela Steradian Degree Radian Candela Steradian Degree Radian ANSWER DOWNLOAD EXAMIANS APP
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