Measurement and Instrumentation Which one of the following units is a fundamental unit? Ampere Watt Newton Joule/sec Ampere Watt Newton Joule/sec ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron voltmeter Induction type ammeter Permanent Magnet Type ammeter Moving iron ammeter Moving iron voltmeter Induction type ammeter Permanent Magnet Type ammeter Moving iron ammeter 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 parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is linear. logarithmic. expontial. square law. linear. logarithmic. expontial. square law. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.01V 0.25V 0.05V 0.01V 0.01V 0.25V 0.05V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. ANSWER DOWNLOAD EXAMIANS APP
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