Measurement and Instrumentation The spring material used in a spring control device should have the following property. Most be of low temperature co-efficient Should non magnetic All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here Should have low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that No generalisation can be made with regard to the flux densities in CT and PT CT operates with considerably lower flux density than a PT CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with considerably lower flux density than a PT CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 12.6 V. 11.1 V. 15 V. 10.6 V. 12.6 V. 11.1 V. 15 V. 10.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. Far right In the middle None of the listed here Far left Far right In the middle None of the listed here Far left ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.65 1 0.73 0.84 0.65 1 0.73 0.84 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. 2 5 1 4 2 5 1 4 ANSWER DOWNLOAD EXAMIANS APP