Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. DC current. AC volatge. both AC and DC voltage. DC voltage. DC current. AC volatge. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an systematic error instrument error gross error random error systematic error instrument error gross error random error 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. 30o. 105.6o. 63.25o. 150o. 30o. 105.6o. 63.25o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 7 6 4 8 7 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Hot wire Dynamometer Moving iron Thermocouple Hot wire Dynamometer Moving iron ANSWER DOWNLOAD EXAMIANS APP