Measurement and Instrumentation Resistances can be measured with the help of Ohmmeters and resistance bridges Ammeters Voltmeters Wattmeters Ohmmeters and resistance bridges Ammeters Voltmeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Dynamometer Permanent magnet moving coil Moving iron Hot wire Dynamometer Permanent magnet moving coil Moving iron 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 The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 30o. parallel. perpendicular. inclined at 60o. inclined at 30o. parallel. perpendicular. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 150W 100W 200W 50W 150W 100W 200W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called gross error relative error probable error absolute error gross error relative error probable error absolute error ANSWER DOWNLOAD EXAMIANS APP
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