Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter Induction type ammeter Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Measuring a voltage Comparing two currents Measuring a current Comparing two voltages Measuring a voltage Comparing two currents Measuring a current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electric pyrometer is an instrument used to measure Phase None of the listed here Frequency High temperatures Phase None of the listed here Frequency High temperatures ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. a lower sensitivity. All of these a higher accuracy. a faster response. a lower sensitivity. All of these a higher accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have High sensitivity High degree of measuring accuracy Independence of ambient temperature Absence of frequency error High sensitivity High degree of measuring accuracy Independence of ambient temperature Absence of frequency error 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? 50W 200W 150W 100W 50W 200W 150W 100W ANSWER DOWNLOAD EXAMIANS APP
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