Measurement and Instrumentation Null type recorders are any one of the above. potentiometric recorders. LVDT recorders. bridge recorders. any one of the above. potentiometric recorders. LVDT recorders. bridge recorders. 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 thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Static sensitivity and damping coefficient Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Static sensitivity and damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. high sensitivity. minimum effect on the current in the circuit. high precision. high accuracy. high sensitivity. minimum effect on the current in the circuit. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 5 V. 4.54 V. 3.53 V. 4.38 V. 5 V. 4.54 V. 3.53 V. 4.38 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.2% 1.5% 0.5% 1% 1.2% 1.5% 0.5% 1% ANSWER DOWNLOAD EXAMIANS APP