Measurement and Instrumentation What is the expression for momentum? mass × velocity change of velocity / time mass × acceleration force × displacement mass × velocity change of velocity / time mass × acceleration force × displacement 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. 50 mA. 40 mA. 80 mA. 25 mA. 50 mA. 40 mA. 80 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter 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 Conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but magnetic Conductor but non magnetic Non conductor and non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. only the magnitude of the quantity being measured. both of above. magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. only the magnitude of the quantity being measured. both of above. 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 0.5% 1.2% 1% 1.5% 0.5% 1.2% 1% 1.5% ANSWER DOWNLOAD EXAMIANS APP
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