Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A 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. 63.25o. 105.6o. 150o. 30o. 63.25o. 105.6o. 150o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as ratio of absolute error and true value. None of these true error. absolute error. ratio of absolute error and true value. None of these true error. absolute error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer A is false R is true. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is true R is false. A is false R is true. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is true R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates Average value DC value of voltage Peak to peak value of voltage RMS value Average value DC value of voltage Peak to peak value of voltage RMS value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to Increase the resistance of ammeter Increase the sensitivity of the ammeter None of the listed here By pass the current Increase the resistance of ammeter Increase the sensitivity of the ammeter None of the listed here By pass the current ANSWER DOWNLOAD EXAMIANS APP
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