Measurement and Instrumentation The thermocouple instrument will measure Voltage Flux Current None of these Voltage Flux Current None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because The ohmmeter has its own internal battery Current will decrease resistance None of these Voltage source will increase resistance The ohmmeter has its own internal battery Current will decrease resistance None of these Voltage source will increase resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 25.4. 54.2. 31.4. 20. 25.4. 54.2. 31.4. 20. 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. 1 2 5 4 1 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? C. potentiometer Small range moving coil voltmeter Small range thermocouple voltmeter None of these C. potentiometer Small range moving coil voltmeter Small range thermocouple voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here One voltmeter and one ammeter ANSWER DOWNLOAD EXAMIANS APP