Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Parallel Series-parallel Series None of the listed here Parallel Series-parallel Series None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? synchros potentiometer None of these tachometer synchros potentiometer None of these tachometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Low frequencies High frequencies Power frequencies High load on the transformer Low frequencies High frequencies Power frequencies High load on the transformer 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 Ripples of the DC supply. Errorneous standardisation. Stray thermal emfs. Stray magnetic fields. Ripples of the DC supply. Errorneous standardisation. Stray thermal emfs. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 114.6 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 4.8 μH/radian. 114.6 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 4.8 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of AC voltage of any form High DC voltage High AC voltage Low frequency voltage AC voltage of any form High DC voltage High AC voltage Low frequency voltage ANSWER DOWNLOAD EXAMIANS APP
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