Measurement and Instrumentation A multirange instrument has Multirange meters inside the measurement system Multicoil arrangement Multiple shunt or series resistance inside the meter Variable turns of coil Multirange meters inside the measurement system Multicoil arrangement Multiple shunt or series resistance inside the meter Variable turns of coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Either of the above Potential transformers Power transformers Current transformers Either of the above Potential transformers Power transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 5 4 1 2 5 4 1 2 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. perpendicular. inclined at 30o. inclined at 60o. parallel. perpendicular. inclined at 30o. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by None of the listed here Fluid friction Permanent magnet Air friction None of the listed here Fluid friction Permanent magnet Air friction ANSWER DOWNLOAD EXAMIANS APP
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