Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Accelerating anode Grid X-Y plates Cathode Accelerating anode Grid X-Y plates Cathode 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 Which of the following instruments can be used to measure AC current only? Moving iron voltmeter Moving iron ammeter Induction type ammeter Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter Induction type ammeter Permanent Magnet Type ammeter 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. 105.6o. 150o. 63.25o. 30o. 105.6o. 150o. 63.25o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square of current through coil Sine of measured The current through coil Square-root of current through coil Square of current through coil Sine of measured The current through coil Square-root of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 5% 1% 2% 3.33% 5% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
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