Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Dynamometer Moving iron Permanent magnet moving coil Hot wire Dynamometer Moving iron Permanent magnet moving coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by 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 Static sensitivity and time constant ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A power factor meter has None of the listed here One current circuit and one pressure circuit Two current circuit and one pressure circuit One current circuit and two pressure circuits None of the listed here One current circuit and one pressure circuit Two current circuit and one pressure circuit One current circuit and two pressure circuits ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x acceleration Force x displacement Change in velocity / time Mass x velocity Mass x acceleration Force x displacement Change in velocity / time Mass x velocity 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 Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 111V 100V 50V 90V 111V 100V 50V 90V ANSWER DOWNLOAD EXAMIANS APP
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