Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 80 mA. 50 mA. 40 mA. 25 mA. 80 mA. 50 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and time constant Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and time constant Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor but magnetic 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 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4 A. 4.47 A. 2 A. 5.78 A. 4 A. 4.47 A. 2 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for Measurrment of resistance Calibration of ammeter All of the listed here Measurement of current Measurrment of resistance Calibration of ammeter All of the listed here Measurement of current ANSWER DOWNLOAD EXAMIANS APP
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