Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only phase of the quantity being measured. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only phase of the quantity being measured. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and time constant Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and damping coefficient Static sensitivity and time constant Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor and non magnetic Conductor but non magnetic Conductor but magnetic Non conductor but magnetic Non conductor and non magnetic Conductor but non magnetic Conductor but magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Inductance. Frequency. Resistance. Capacitance. Inductance. Frequency. Resistance. Capacitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1.5) A (400 ± 1) A (400 ± 2.24) A (400 ± 3) A (400 ± 1.5) A (400 ± 1) A (400 ± 2.24) A (400 ± 3) A ANSWER DOWNLOAD EXAMIANS APP