Measurement and Instrumentation Swamping resistance is used to compensate error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 1/49.99 ohms 49.99 Ohms 2 Ohms 1 Ohm 1/49.99 ohms 49.99 Ohms 2 Ohms 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 damping coefficient 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 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are potentiometric recorders. LVDT recorders. any one of the above. bridge recorders. potentiometric recorders. LVDT recorders. any one of the above. bridge recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.73 0.65 0.84 1 0.73 0.65 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies ANSWER DOWNLOAD EXAMIANS APP
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