Measurement and Instrumentation A first order instrument is characterized by Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and damping coefficient Time constant only Static sensitivity and time constant Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and damping coefficient Time constant only Static sensitivity and time constant 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? 150o. 105.6o. 63.25o. 30o. 150o. 105.6o. 63.25o. 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and magnetic material None of the listed here Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material Conducting and non magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are least time consuming. most accurate. most simple. most simple and least time consuming. least time consuming. most accurate. most simple. most simple and least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Current Square of the current Squareroot of the current Sine of the measurand Current Square of the current Squareroot of the current Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP