Measurement and Instrumentation To measure the flux, devices used are based on Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple. most accurate. least time consuming. most simple and least time consuming. most simple. most accurate. least time consuming. most simple and least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 3 A. 2+3√2 A. 2 A. 5 A. 3 A. 2+3√2 A. 2 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 175.4o. 4.6o. 85.4o. 94.6o. 175.4o. 4.6o. 85.4o. 94.6o. 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? 150W 200W 50W 100W 150W 200W 50W 100W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but non magnetic Non conductor and non magnetic Conductor but magnetic Non conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Conductor but magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP