Measurement and Instrumentation Instrument transformers are Current transformers Power transformers Pottential transformers Both current and potential transformers Current transformers Power transformers Pottential transformers Both current and potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. Remains same Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Square of the current through the coil Squareroot of the measurand Current through the coil Sine of the measurand Square of the current through the coil Squareroot of the measurand Current through the coil Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Soft steel Aluminium Copper Silver Soft steel Aluminium Copper Silver 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 inclined at 30o. parallel. perpendicular. inclined at 60o. inclined at 30o. parallel. perpendicular. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Dynamic error Absolute error Gross error Relative error Dynamic error Absolute error Gross error Relative error ANSWER DOWNLOAD EXAMIANS APP