Measurement and Instrumentation An instrument to be used for measurement and control should preferably have A highly damped response Non-linear output Linear output and fast response Dead zone and dead time A highly damped response Non-linear output Linear output and fast response Dead zone and dead time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic potential. Flux density. Magnetic field intensity. Relative permeability. Magnetic potential. Flux density. Magnetic field intensity. Relative permeability. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Moving iron Hot wire Thermocouple Dynamometer Moving iron Hot wire Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can always be balanced The bridge can be balanced if the resistance have some specific values The bridge cannot be balanced None of the listed here The bridge can always be balanced The bridge can be balanced if the resistance have some specific values The bridge cannot be balanced None of the listed here 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 1.5% 1.2% 0.5% 1% 1.5% 1.2% 0.5% 1% ANSWER DOWNLOAD EXAMIANS APP
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