Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Wattmeter only Voltmeters only Ammeters only Both ammeter and voltmeter Wattmeter only Voltmeters only Ammeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should use a monitoring source at low input impedance. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should use a monitoring source at low input impedance. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Has a low natural frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Air friction damping Eddy current damping Fluid friction damping Spring coil damping Air friction damping Eddy current damping Fluid friction damping Spring coil damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1 V. 1.34 V. 1.7 V. 1.5 V. 1 V. 1.34 V. 1.7 V. 1.5 V. ANSWER DOWNLOAD EXAMIANS APP